Model: vencer
Auxiliary: haber
Other forms: convencer/no convencer
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)
Presente
Futuro
Pretérito imperfecto
Pretérito perfecto compuesto
Pretérito pluscuamperfecto
Pretérito anterior
Futuro perfecto
Condicional perfecto
Condicional
Pretérito perfecto simple
Pretérito imperfecto (2)
Pretérito pluscuamperfecto (2)
Pretérito perfecto