-yacer
subyacer | adyacer | entreyacer
Verb yacer and its derivatives has multiple conjugation irregularities
-olver
resolver | devolver | disolver | envolver | revolver
Verb volver, its derivatives and verbs ending in -solver follow the conjugation pattern of regular verbs in -er except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: volver / vuelvo
-olar
consolar | sobrevolar | solar | amolar | abuñolar
Verbs ending in -olar follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: volar / vuela
-ir
partir | cumplir | recibir | permitir | compartir
Regular verbs ending in -ir
-estir
investir | revestir | desvestir | travestir | embestir
Verbs ending in -estir follow the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "i" in imperative, indicative and subjunctive: vestir / viste
-erter
reverter | sobreverterse | trasverter
Verb verter and its derivatives follow conjugation pattern of regular verbs ending in -er except for alternation "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: verter / vierte
-er
ver
Verb ver has multiple conjugation irregularities
-enir
venir
Verb venir has multiple conjugation irregularities
-cer
ejercer | convencer | mecer | coercer | contremecer
Verbs mecer, vencer and its derivatives, verbs ending in -ercer (ex. ejercer) follow conjugation pattern of regular verbs in -er except for alternation of "c" to "z" before "o" or "a" in 1st person of indicative present (venzo), all persons in subjunctive present (venza, venzas…) and 1st pers. pl. and 3rd pers. sg. and pl. of imperative (venza, venzamos, venzan)
equivaler | desvaler | prevaler
Verb valer and its derivatives follow conjugation pattern of regular verbs ending in -er except for alternation "l" -> "lg" in several indicative, subjunctive, imperative forms and alternation "e" -> "d" in all persons of indicative future simple and conditional simple
usucapir
Verb usucapir is defective verb which has two foms only (infinitive and past participle)
-ocar
enrocar
Verbs trocar and enrocar follow the conjugation pattern of verb sacar and also have variants with alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: trocar / troco / trueco
atraer | extraer | contraer | distraer | sustraer
Verb traer and its derivatives has multiple conjugation irregularities
-cir
reducir | producir | conducir | introducir | reproducir
Verb traducir and its derivatives follow conjugation pattern of lucir except for having irregular forms in indicative past simple
-orcer
retorcer | destorcer | atorcer | contorcerse | estorcer
Verb torcer and its derivatives follow conjugation pattern of vencer except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers. sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: torcer / tuerzo
-eñir
reñir | constreñir | ceñir | desteñir | afreñir
Verbs ending in -eñir follow the conjugation pattern of verbs bruñir except for alternation in stem "e" -> "i" in imperative, indicative and subjunctive: teñir / tiñe
-ener
tener
Verb tener has multiple conjugation irregularities
-ender
entender | atender | defender | extender | encender
Verbs ending in -ender following this model and have alternation "e" -> "ie" in several forms: in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: tiende, enciende, hiende, defiende… The verb pretender is regular : pretende
-emplar
templar
Verb templar follows the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: templar / templa / tiempla
-emblar
retemblar
Verbs ending in -temblar with diphtong following the pattern of pensar : piensa / tiembla
anochecer | amanecer | atardecer
Impersonal verbs following the conjugation model of parecer but in 3rd person only
empeller
Verbs which stem ends in "ñ" and "ll" absorb unstressed "i": tañer / tañó, empeller / empelló
-errar
soterrar
Verb soterrar follows the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: soterrar / soterra / sotierra
contribuir | incluir | construir | destruir | concluir
Verbs ending in -uir follow the conjugation pattern of regular verbs in -ir except for addition of "y" before "a", "e", "o" in stem in imperative, indicative and subjunctive: sostituir / sostituye
-eír
desleír | engreír | esleír
Verbs like sonreír conjugate like reír but have accentuated "o" in 3rd pers., sg. in indicative past simple due to accentuation rules
-oñar
ensoñar | trasoñar
The verbs like soñar follow the regular conjugation model of verbs ending in -ar except for the variation in verb stem "ue" in 1st, 2nd, 3rd pers. sing. and 3rd pers. pl. in imperative, indicative and subjunctive present: soñar / sueña
-onar
resonar | tronar | asonar | atronar | consonar
Verbs ending in -onar follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: sonar / suena, atronar / atruena, except for personar and its derivatives, malsonar, unisonar, apisonar, arrequesonarse, artesonar. The verbs tronar, retronar, atronar follow this conjugation pattern. The verb tonar and its derivatives are regular: detonar / detona
-oltar
soltar
Verb soltar follows the conjugation pattern of regular verbs ending in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: soltar / suelta
-oldar
asoldar | desoldar
Verb soldar and its derivatives follow the conjugation pattern of regular verbs ending in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: soldar / suelda
-ilar
ahilar | rehilar
Such derivatives of hilar as sobrehilar, rehilar, ahilar follow conjugation pattern of regular verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (sobrehílo…) due to accentuation rules
-ervir
deservir
Verb servir and its derivatives follow conjugation pattern of regular verbs ending in -ir except for alternation "e" -> "i" in some indicative, subjunctive, imperative forms and gerund
cerrar | enterrar | desenterrar | encerrar | desterrar
Verbs ending in -errar with diphthong following the model of pensar: piensa / sierra except for soterrar, errar that have their own conjugation patterns and aberrar, aferrar, aperrar, berrar, desaferrar, desbecerrar, emperrar that are regular
-ser
ser
Auxiliary verb ser has irregular conjugation
-entir
mentir | consentir | arrepentirse | desmentir | asentir
Verbs ending in -entir follow the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "ie" and "e" -> "i" in several forms
-entar
alentar | calentar | desalentar | acrecentar | reventar
Verbs ending in -entar follow the conjugation pattern of regular verbs ending in -ar except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative present and subjunctive: sentar / sienta
-embrar
resembrar | desembrar | membrar | sobresembrar
Verbs ending in -embrar follow the conjugation pattern of regular verbs ending in -ar except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: sembrar / siembra
-eguir
conseguir | proseguir | perseguir | aseguir | deseguir
Verb seguir and its derivatives follow the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "i" and loss of "u" before "o" and "a": seguir / sigo
sobresalir | asalir | resalir
Verb salir and its derivatives have multiple conjugation irregularities
-umar
ahumar | desahumar
Such derivatives of humar as sahumar, desahumar, ahumar follow conjugation pattern of regular verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (sahúmo…) due to accentuation rules
-car
aplicar | buscar | identificar | explicar | modificar
Verbs ending in -car follow conjugation pattern of regular verbs in -ar except for alternation "c" -> "qu" before "e" in 1st person of indicative past simple (saqué), all persons in subjunctive present (saque, saques…) and 1st pers. pl., 3rd pers. pl. of imperative (saquemos, saque, saquen)
-aber
resaber
Verb saber and its derivatives have multiple conjugation irregularities
-uar
puar
Verb ruar follows the conjugation pattern of regular verbs in -ar with stress in stem "ú" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: ruar / rúa
-mper
arromper | derromper | entrerromper
The verb romper and its obsolete derivatives follow the conjugation pattern of deber except for its past participle which is irregular: roto. The derivatives that are still used have regular participles: corromper / corrompido
-ogar
rogar
Verb rogar follows conjugation pattern of llegar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: rogar / ruega
corroer
Verbs following this model conjugate like creer but have alternations in some forms: 1st pers. sg. Indicative present (roo / roigo / royo), all persons in subjunctive present and imperative (roa / roiga / roya…)
-odar
enrodar | sonrodarse
Verb rodar and its derivatives follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: rodar / rueda
-olcar
volcar
Verb volcar and its derivative revolcar follow the conjugation pattern of verb sacar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: revolcar / revuelca
-untar
entreuntar
All derivatives of untar follow conjugation pattern of regular verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (reúnto…) due to accentuation rules
-unir
reunir
Verb reunir follows the conjugation pattern of regular verbs in -ir but have alternation in stem "u" -> "ú" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: reunir / reúne
-ar
respailar
Verb respailar is defective verb which has two foms only (infinitive and gerund)
respahilar
Verb respahilar is defective verb which has two foms only (infinitive and gerund)
-ollar
follar | desollar | hollar | descollar | desacollar
Verbs ending in -ollar follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: resollar / resuella
-etir
competir | derretir | retir
Verbs ending in -etir follow the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "i" in several forms in imperative, indicative and subjunctive: repetir / repite
-ovar
renovar
Verb renovar follows the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: renovar / renueva
-endir
rendir
Verb rendir follows the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "i" in imperative, indicative present and subjunctive: rendir / rinde
freír
Verbs reír and freír follow the conjugation pattern of regular verbs in -ir except for alternation in stem "e" -> "í" and loss of "i" in certain endings
-usar
ahusar | parahusar
Verb rehusar and its derivatives follow conjugation pattern of regular verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (rehúso…) due to accentuation rules
-undir
rehundir
Verb rehundir follows conjugation pattern of regular verbs in -ir except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (rehúndo…) due to accentuation rules
-uir
rehuir
All derivatives of huir follow the conjugation pattern of verb huir except for having accent mark in several forms
-inchir
rehinchir
Verb rehinchir follows conjugation pattern of regular verbs in -ir except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (rehíncho…) due to accentuation rules
-enchir
rehenchir
Verb rehenchir follows conjugation pattern of verb henchir except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (rehíncho…) due to accentuation rules
regoldar
Verb regoldar follows the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "üe" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: regoldar / regüelda
sofreír
Verbs like refreír conjugate like freír but have accentuated "o" in 3rd pers., sg. in indicative past simple due to accentuation rules
-endar
enmendar | encomendar | arrendar | remendar | merendar
Verbs ending in -endar with diphthong follow the pattern of pensar (piensa / recomienda)
raspahilar
Verb raspahilar is defective verb which has two foms only (infinitive and gerund)
raer
Verb raer has multiple conjugation irregularities
-erer
bienquerer | desquerer | malquerer
Verb querer and its derivatives have multiple conjugation irregularities
-ebrar
aliquebrar | desquebrar | patiquebrar | perniquebrar | requebrar
Verbs ending in -quebrar with diphthong follow the pattern of pensar (piensa / quiebra) : verb quebrar and its derivatives
-udrir
repudrir
Verb pudrir and its derivatives; there is also another acceptable written form of this verb - podrir
-ibir
cohibir
Verbs prohibir and cohibir follow conjugation pattern of regular verbs in -ir except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (prohíbo…) due to accentuation rules
-obar
comprobar | aprobar | reprobar | desaprobar | contraprobar
Verb probar and its derivatives follow the regular conjugation pattern of verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present (probar / prueba)
entrever | rever | antever
All derivatives of ver follow this conjugation model and have accent mark in 2nd pers. sing. in imperative
-erir
transferir | sugerir | requerir | interferir | herir
Verbs ending in -erir follow the conjugation pattern of regular verbs in -ir except for alternation in stem "e" -> "ie" and "e" -> "i" in several forms
-ecir
contradecir | desdecir | antedecir | condecir
Several derivatives of decir follow this conjugation model having two variants of conjugation in indicative future and conditional tenses
-oner
poner
Verb poner has multiple conjugation irregularities
-odrir
repodrir
Verb podrir and its derivatives; there is also another acceptable written form of this verb - pudrir
-oder
contrapoder
Verb poder and its derivatives have multiple conjugation irregularities
-oblar
repoblar | despoblar | amoblar | desamoblar | moblar
Verbs ending in -oblar follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: poblar / puebla
-acer
complacer | aplacer | desplacer | displacer
Verb placer and its derivatives follow conjugation pattern of parecer except for having variants in 3rd pers. sing. in indicative past simple
-erder
perder
Verb perder follows this model and has alternation "e" -> "ie" in several forms: in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: perder / pierde
-ensar
repensar | incensar | malpensar
Verbs ending in -ensar with diphthong follow the conjugation pattern of regular verbs in -ar except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: pensar / piensa
-edir
impedir | medir | despedir | expedir | remedir
Verbs ending in -edir follow the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "i" in imperative, indicative present and subjunctive: pedir / pide
establecer | fortalecer | ofrecer | conocer | reconocer
Verbs ending in -acer (ex. nacer, pacer), -ecer (ex. parecer), -ocer (ex. conocer) except for irregular hacer, satisfacer, placer, yacer, mecer, cocer; and verbs ending in -escer (ex. fosforescer) follow conjugation pattern of regular verbs ending in -er except for alternation "c" -> "zc" in 1st pers. sg. in indicative present, all persons of subjunctive present and 1st pers. pl., 3rd pers. in imperative
-oler
oler
Verb oler follows the conjugation pattern of verbs in -oler but has an additional "h" before diphthong "ue": muele but huele
-ír
desoír | defoír | entreoír | trasoír
Verb oír and its derivatives have multiple conjugation irregularities
antojarse
Verbs like obstar follow conjugation pattern of regular verbs in -ar but have infinitive, gerund, participle and 3rd person forms only
ventiscar
Impersonal verb following the conjugation model of sacar but in 3rd person only: neviscar, ventiscar
-evar
desnevar
Verb nevar and its derivatives with diphthong follow the pattern of pensar (piensa / nieva)
-egar
desplegar | denegar | regar | fregar | plegar
Verbs ending in -egar follow the conjugation pattern of verb llegar except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: negar / niega
-over
promover | remover | conmover | amover
Verb mover and its derivatives follow the regular conjugation pattern of verbs in -er except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present (mover / mueve)
-ostrar
demostrar | amostrar | entremostrar | premostrar
Verb mostrar and its derivatives follow the regular conjugation model of verbs ending in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers. sing. and 3rd pers. pl. in imperative, indicative and subjunctive present: mostrar / muestra
-orir
entremorir | premorir
Verb morir and its derivatives follow the conjugation pattern of regular verbs in -ir except for alternation in stem "o" -> "ue" in several forms in imperative, indicative and subjunctive present, alternation in stem "o" -> "u" in several forms and gerund and irregularity in participle
-order
remorder
Verb morder and its derivatives follow conjugation pattern of regular verbs ending in -er except for alternation "u" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: morder / muerde
-elar
helar | deshelar | amelar | desmelar | enmelar
Verb melar, melar and its derivatives with diphthong follow the pattern of pensar (piensa / miela)
arrecir | aterir | colorir | descolorir | despavorir
Defective verbs like manir follow conjugation pattern of regular verbs ending in -ir but only the forms whose ending begins with -i are used
-estar
contramanifestar | enfestar | enhestar
Verbs ending in -estar with diphthong follow the pattern of pensar (piensa / manifiesta / enhiesta)
bendecir
Verbs maldecir and bendecir follow conjugation pattern of decir except for indicative future simple which is regular and two forms of participle
relucir | enlucir | deslucir | traslucir | entrelucir
Verb lucir and its derivatives follow conjugation pattern of regular verbs ending in -ir except for alternation "c" -> "zc" in 1st pers. sg. in indicative present, all persons of subjunctive present and 1st pers. pl., 3rd pers. in imperative
llover
pagar | descargar | investigar | agregar | entregar
Verbs ending in -gar follow conjugation pattern of regular verbs in -ar except for alternation "g" -> "gu" before "e" in 1st person of indicative past simple (llegué), all persons in subjunctive present (llegue, llegues…) and 1st pers. pl., 3rd pers. pl. of imperative (lleguemos, llegue, lleguen)
-gar
jugar
Verb jugar has a variation in stem u - ue in several forms: juego, juegue… Its derivatives follow regular conjugation model: conjugar / conjuga, subjugar / subjuga
-erdar
jamerdar
Verb jamerdar follows the conjugation pattern of regular verbs ending in -ar except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: jamerdar / jamierda
ir
Verb ir has multiple conjugation irregularities
-ertir
convertir | revertir | advertir | divertir | subvertir
Verbs ending in -ertir follow the conjugation pattern of regular verbs ending in -ir except for alternation in stem "e" -> "ie" and "e" -> "i" in several forms
invehír
infecir
Verb infecir follows conjugation pattern of esparcir except for alternation of "e" -> "i" in imperative, indicative and subjunctive present: infecir / infizo
fluir | fruir | fuir | gruir | luir
Verb huir follows the conjugation pattern of regular verbs in -ir except for addition of "y" before "a", "e", "o" in stem in 1st, 2nd, 3rd pers. sg. and 3rd pers. pl. in imperative, indicative present and subjunctive: huir / huye
fervir | rehervir
Verb hervir and its derivatives follow the conjugation pattern of regular verbs in -ir except for alternation in stem "e" -> "ie" and "e" -> "i" in several forms
hendir
Verb hendir follows the conjugation pattern of regular verbs in -ir except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: hendir / hiende
fenchir
Verbs ending in -enchir follow the conjugation pattern of regular verbs in -ir except for alternation in stem "e" -> "i" in imperative, indicative and subjunctive present: henchir / hinche
-eder
heder
Verb heder follows the conjugation pattern of regular verbs in -er except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: heder / hiede
satisfacer | deshacer | rehacer | afacer | bienfacer
Verb hacer and its derivatives; verbs ending in -facer (ex. satisfacer)
haber
Auxiliary verb haber. Also used as an impersonal verb in 3rd person singular of indicative present tense as "hay"
-iar
criar | fiar | liar | piar | chiar
Monosyllabic verbs ending in -iar follow conjugation pattern of verb ampliar except for having no written accent in certain conjugation forms
-ernar
apernar | desgobernar | desinvernar | despernar | entrepernar
Verbs ending in -ernar with diphtong follow the pattern of pensar (piensa / gobierna)
-emir
apremir | expremir | impremir | premir
Verbs ending in -emir follow the conjugation pattern of regular verbs except for alternation in stem "e" -> "i" in imperative, indicative and subjunctive present: gemir / gime
garuar
Impersonal verb following the model actuar, but in 3rd person sing. only: garuar / garúa
-orzar
reforzar | almorzar | esforzar | desforzarse
Verbs ending in -orzar (except for acorzar, alcolzar, alforzar, escorzar, orzar that do not have vowel stem alternation) follow the regular conjugation pattern of verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: forzar / fuerza
follar
If the verb follar comes from "fuello", there is alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present; in other meanings it follows conjugation pattern of regular verbs in -ar
-far
far
Obsolete verb far conjugates like hacer
paliar | repatriar | agriar | ejecutoriar | historiar
Verbs ending in-iar (except for verbs like ampliar and guiar) follow the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "i" -> "í" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: expatriar / expatria / expatría
adecuar | licuar | colicuar | oblicuar | promiscuar
Verbs ending in-cuar (except for anticuar and apropincuar) follow the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "u" -> "ú" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: evacuar / evacua / evacúa
estregar
Verb estregar follows the conjugation pattern of of verb llegar and also have variants with alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: estregar / estriego / estrego
estatuar
estar
Auxiliary verb estar has irregular conjugation
fruncir | resarcir | zurcir | estarcir | adocir
Verbs ending in -cir follow conjugation pattern of regular verbs in -ir except for alternation of "c" to "z" before "o" or "a" in 1st person of indicative present (esparzo), all persons in subjunctive present (esparza, esparzas…) and 1st pers. pl. and 3rd pers. sg. and pl. of imperative (esparza, esparzamos, esparzan)
-bir
reescribir | sobrescribir | circunescribir | manuscribir | sobreescribir
Verb escribir and some derivatives follow the conjugation pattern of regular verbs in -ir except for irregular form in past participle
errar
Verb errar follows the conjugation pattern of regular verbs in -ar and also have variants with addition of "y" before "e" in stem in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: errar / erro / yerro
-erguir
erguir
Verb erguir has multiple conjugation irregularities
-inar
enzainar
Verb enzainar follows the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "i" -> "í" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: enzainar / enzaino / enzaíno
invernar
Verbs envernar and invernar follow the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: envernar / envierno / enverno
-ortar
entortar
Verb entortar follows the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: entortar / entuerta
-izar
judaizar | europeizar | homogeneizar | amaizar | arcaizar
Verbs ending in -aizar and -eizar (except for idoneizar, nucleizar) follow conjugation pattern of verb cazar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (enraízo…) due to accentuation rules
-osar
engrosar
Verb engrosar follows the conjugation pattern of regular verbs in -ar and also has variants with alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: engrosar / engroso /engrueso
-orar
agorar
Verbs ending in -gorar with diphthong follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "üe" after "g" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: engorar / engüera
-ontrar
reencontrar | rescontrar
Verbs ending in -ontrar follow the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: encontrar / encuentro
-ezar
tropezar | desentropezar | despezar | entropezar | estropezar
Verbs ending in -ezar with diphthong follow conjugation pattern of pensar except for alternation of "z" -> "c" before "e" in 1st person of indicative past simple (empecé), all persons in subjunctive present (empiece, empieces…) and 1st pers. pl. and 3rd pers. sg. and pl. of imperative (empiece, empecemos, empiecen)
empecer
Defective verb empecer follows conjugation pattern of parecer but have infinitive and 3rd person forms only
-ular
desembaular
Verb embaular and its derivatives follow regular conjugation pattern of verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (embaúlo…) due to accentuation rules
embaír
Defective verb embaír; only the forms whose ending begins with -i are used
-egir
corregir | regir | reelegir | colegir | coregir
Verbs ending in -egir follow conjugation pattern of verb dirigir except for alternation "e" -> "i" in some indicative, subjunctive, imperative forms and gerund
-ormir
adormir | maldormir
Verb dormir and its derivatives follow the conjugation pattern of regular verbs in -ir except for alternation in stem "o" -> "ue" in several forms in imperative, indicative and subjunctive present, alternation in stem "o" -> "u" in several forms and gerund
moler | demoler | condoler | desmoler | remoler
Verbs ending in -oler with diphtong "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: moler / muele
extinguir | condistinguir | subdistinguir
Verbs ending in -guir (except for erguir, seguir and its derivatives) follow this model: alternation "gu" -> "g" before "o" or "a" in 1st person of indicative present (distingo), all persons in subjunctive present (distinga, distingas…) and 1st pers. pl., 3rd pers. pl. of imperative (distingamos, distinga, distingan)
-ernir
cernir | decernir
Verb cernir and its derivatives follow the conjugation pattern of regular verbs in -ir except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: cernir / cierne
-gir
exigir | fingir | restringir | surgir | infringir
Verbs ending in -gir follow this model: alternation "g" -> "j" before "o" or "a" in 1st person of indicative present (dirijo), all persons in subjunctive present (dirija, dirijas…) and 1st pers. pl., 3rd pers. pl. of imperative (dirijamos, dirija, dirijan)
revenir | prevenir | intervenir | convenir | provenir
All derivates of venir follow this conjugation model and have accent mark in 2nd pers. sing. in imperative
desvaír
Verb desvaír has multiple conjugation irregularities
desosar
Verb desosar follows the conjugation pattern of verb desengrosar but has an additional "h" before diphthong "ue": desosar / deshuesa
dismembrar
Verb desmembrar follows the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: desmembrar / desmembro / desmiembro
-endrar
deslendrar
Verb deslendrar follows the pattern of pensar (piensa / desliendra)
-erbar
herbar
Verbs ending in -erbar with diphthong follow the pattern of pensar (piensa / deshierba) : verbe herbar and its derivatives
desengrosar
Verbs desengrosar follows the conjugation pattern of regular verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: desengrosar / desengruesa
encovar
Verbs desencovar and encovar follow the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: desencovar / desencovo / desencuevo
-edrar
despedrar | empedrar
Verbs ending in -pedrar with diphthong follow the pattern of pensar (piensa / desempiedra)
desdar
Verb desdar devivative of dar follows conjugation pattern of dar but has accent mark in several indicative, subjunctive and imperative forms
inscribir | suscribir | prescribir | proscribir | transcribir
Some derivatives of escribir follow the conjugation pattern of escribir except for having two forms in past participle (form ending in -pto is used in Argentina, Paraguay and Uruguay)
amohinar | desainar | sahinar | sainar
Verbs ending in -inar with hiatus follow regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (descafeína…) due to accentuation rules
encorar
Verbs desaforar and encorar follow conjugation pattern of regular verbs in -ar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: desaforar / desafuera
-quir
derelinquir | derrelinquir | jaquir | muquir | vesquir
Verbs ending in -quir follow this model: alternation "qu" -> "c" before "o" or "a" in 1st person of indicative present (delinco), all persons in subjunctive present (delinca, delincas…) and 1st pers. pl., 3rd pers. pl. of imperative (delincamos, delinca, delincan)
degollar
Verb degollar follow the conjugation pattern of resollar except for alternation in stem "o" -> "üe" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: degollar / degüello
entredecir | interdecir | redecir
Verb decir and some of its derivatives: entredecir, interdecir, desdecir, redecir have multiple conjugation irregularities
comer | aprender | responder | comprender | vender
Regular verbs ending in -er
dar
Verb dar has multiple conjugation irregularities
-rir
abrir | descubrir | reabrir | encubrir | redescubrir
Several verbs ending in -rir (abrir, cubrir and their derivatives except for desabrir) follow the regular conjugation pattern of verbs in -ir with one exception: their past participle ends in -ierto (instead of -ido): cubrir / cubierto, abrir / abierto
leer | proveer | poseer | veer | peer
Verbs ending in -eer follow conjugation pattern of regular verbs ending in -er except for alternation "i" -> "y" in several indicative, subjunctive, imperative forms and "i" -> "í" in gerund
-ostar
apostar | acostar | tostar | recostar | denostar
contraír
Verbo irregular derivado de ir
mantener | obtener | detener | sostener | retener
Verb tener and its derivatives has multiple conjugation irregularities
-ontar
descontar | recontar | discontar
Verb contar and its derivatives follow the regular conjugation pattern of verbs in -ar except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present (contar / cuenta)
concernir
Verb concernir follows conjugation pattern of discernir but have infinitive, gerund, participle and 3rd person forms only
-ebir
apercebir | decebir | preconcebir
Verbs ending in -ebir follow conjugation pattern of regular verbs ending in -ir except for alternation "e" -> "i" in some indicative, subjunctive, imperative forms and gerund
-enzar
recomenzar | encomenzar | enlenzar
Verbs ending in -enzar with diphthong follow conjugation pattern of pensar except for alternation of "c" -> "z" before "e" in 1st person of indicative past simple (comencé), all persons in subjunctive present (comience, comiences…) and 1st pers. pl. and 3rd pers. sg. and pl. of imperative (comience, comencemos, comiencen)
-olgar
descolgar | acolgar | decolgar | folgar | holgar
Verbs ending in -olgar (except for resolgar) follow conjugation pattern of verb llegar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: colgar / cuelga
-ger
proteger | recoger | escoger | acoger | emerger
Verbs ending in -ger follow this model: alternation "g" -> "j" before "o" or "a" in 1st person of indicative present (cojo), all persons in subjunctive present (coja, cojas…) and 1st pers. pl., 3rd pers. pl. of imperative (cojamos, coja, cojan)
-ocer
escocer | descocer | recocer
Verb cocer and its derivatives follow the conjugation pattern of vencer except for alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: cocer / cuece
destrocar | enclocar | retrocar | trastrocar
Verbs ending in -ocar with diphthong follow conjugation pattern of verb sacar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: clocar / clueca
regimentar | emparentar
Verbs cimentar, emparentar, regimentar follow the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: cimentar / cimiento / cimento
-erner
discerner
Verb cerner and its derivatives follow the conjugation pattern of regular verbs in -er except for alternation in stem "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: cerner / cierne
-zar
garantizar | utilizar | alcanzar | realizar | organizar
Verbs ending in -zar with follow conjugation pattern of regular verbs in -ar except for alternation of "c" -> "z" before "e" in 1st person of indicative past simple (cacé), all persons in subjunctive present (cace, caces…) and 1st pers. pl. and 3rd pers. sg. and pl. of imperative (cace, cacemos, cacen)
recaer | decaer | acaer | descaer
Verb caer and its derivatives has multiple conjugation irregularities
-igar
encabrahigar
Verb cabrahigar and its derivatives follow conjugation pattern of verb llegar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (cabrahígo…) due to accentuation rules
-caber
caber
Verb caber has multiple conjugation irregularities
gruñir | engullir | zambullir | bullir | escabullir
Verbs which stem ends in "ñ" and "ll" absorb unstressed "i": bruñir / bruñó, mullir / mulló
-ustar
barahustar
Verb barahustar follows regular conjugation pattern of verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (barahústo…) due to accentuation rules
balbucir
Defective verb balbucir follows conjugation pattern of regular verbs in -ir but does not have 1st pers. sg. of indicative present, all persons of subjunctive present, these forms can be replaced by corresponding forms of balbucear
apaciguar | amortiguar | atestiguar | aguar | fraguar
Verbs ending in -guar follow regular conjugation pattern of verbs in -ar except for the alternation in stem "u" -> "ü" in 3rd pers. sing., 1st and 3rd pers. pl. in imperative, in 1st pers. sing. indicative past simple and in all persons in subjunctive present : averiguar / averigüé
-onzar
desvergonzarse | envergonzar
Verbs ending in -gonzar follow the conjugation pattern of verb cazar except for alternation in stem "o" -> "üe" after "g" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: avergonzar / avergüenza
-upar
aupar
Verb aupar follows regular conjugation pattern of verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (aúpo…) due to accentuation rules
-ungar
aungar
Verb aungar follows conjugation pattern of verb llegar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (aúngo…) due to accentuation rules
-unar
aunar
Verb aunar follows regular conjugation pattern of verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (aúno…) due to accentuation rules
-ullar
maullar
Verbs aullar and maullar follow regular conjugation pattern of verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (aúllo…) due to accentuation rules
-esar
confesar
Verbs ending in -esar with diphtong follow the pattern of pensar (piensa / atraviesa)
-illar
desatraillar | traillar
Verb traillar and its derivatives follow regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (traíllo…) due to accentuation rules
atañer
Verb atañer follow conjugation pattern of tañer except for being used only in infinitive, gerund, participle and 3rd person
desolar
Verb asolar and its derrivatives follow the conjugation pattern of regular verbs in -ar and also have variants with alternation in stem "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: asolar / asolo / asuelo
desasir
Verb asir and its derivatives follow conjugation pattern of regular verbs in -ir except for addition of "g" in 1st pers.sg. in indicative present, all persons in subjunctive present and several forms of imperative
-üir
redargüir | reargüir
Verb argüir and its derivatives have multiple conjugation irregularities
-etar
desapretar | reapretar
Verbs ending in -etar with diphthong follow the pattern of pensar (piensa / aprieta): verb apretar and its derivatives
-orcar
desaporcar | emporcar
Verb aporcar and its derivatives follow conjugation pattern of verb sacar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: aporcar / apuerca
imponer | proponer | disponer | suponer | exponer
All derivates of poner follow this conjugation model and have accent mark in 2nd pers. sing. in imperative
desandar
Verb andar and its derivatives have multiple conjugation irregularities
enviar | confiar | variar | desafiar | desviar
Several verbs ending in -iar follow the regular conjugation model of verbs in -ar except for the variation in verb stem "i" -> "í " in 1st, 2nd, 3rd pers. sing. and 3rd pers. pl. in imperative, indicative and subjunctive present: ampliar / amplío
mejorar | hablar | ayudar | tomar | trabajar
Regular verbs ending in -ar
-islar
desaislarse
Verb aislar and its derivatives follow regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (aíslo…) due to accentuation rules
-irar
airar
Verb airar and its derivatives follow regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (aíro…) due to accentuation rules
-uchar
ahuchar
Verb ahuchar follows regular conjugation pattern of verbs in -ar except for alternation of "u" -> "ú" in some forms of imperative, indicative and subjunctive present (ahúcho…) due to accentuation rules
-itar
desahitarse
Verb ahitar and its derivatives follow regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (ahíto…) due to accentuation rules
-irmar
ahirmar
Verb ahirmar follows regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (ahírmo…) due to accentuation rules
-incar
ahincar
Verb ahincar follows regular conjugation pattern of verb sacar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (ahínco…) due to accentuation rules
-ijar
prohijar | desahijar
Verb ahijar and its derivatives follow regular conjugation pattern of verbs in -ar except for alternation of "i" -> "í" in some forms of imperative, indicative and subjunctive present (ahíjo…) due to accentuation rules
aforar
If the verb aforar comes from "foro", it follows conjugation pattern of regular verbs in -ar but if it comes from "fuero", there is alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present
inquirir | readquirir | coadquirir | perquirir | pesquirir
Verb adquirir and its derivatives follow conjugation pattern of regular verbs in -ir except for alternation "i" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: adquirir / adquiere
-estrar
adestrar
Verb adestrar follows conjugation pattern of regular verbs in -ar except for alternation "e" -> "ie" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: adestrar / adiestra
evaluar | continuar | efectuar | interactuar | situar
Verbs ending in-uar (except for verbs in -cuar that also have regular conjugation forms, verbs that follow the conjugation pattern of averiguar and apropincuar that is regular) follow the conjugation pattern of regular verbs in -ar but have alternation in stem "u" -> "ú" in 1st, 2nd, 3rd pers.sing. and 3rd pers.pl. in imperative, indicative and subjunctive present: actuar / actúa
-ornar
desacornar | descornar | mancornar
Verb acornar and its derivatives follow conjugation pattern of regular verbs in -ar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: acornar / acuerna
-ordar
recordar | concordar | discordar | desacordar | contracordar
Verb acordar and its derivatives follow conjugation pattern of regular verbs in -ar except for alternation "o" -> "ue" in 1st, 2nd, 3rd pers.sg. and 3rd pers.pl. in imperative, indicative and subjunctive present: acordar / acuerda
-ertar
despertar | concertar | desconcertar | desacertar | dispertar
Verbs ending in -ertar with diphthong follow the pattern of pensar (piensa / acierta)
acontecer
These defective verbs follow conjugation pattern of parecer but have infinitive, gerund, participle and 3rd person forms only
-eldar
albeldar | beldar
Verbs ending in -eldar with diphthong following the model of pensar (piensa / abielda) : verb beldar and its derivatives