Model: quellen
Auxiliary: sein
Other forms: verquellen/nicht verquellen
Double conjugation for the verb "quellen" and its compouds: 1) Regular: "ich quelle" / "ich quellte" / "gequellt". 2) Irregular: replacement of -ue- in the stem of Present tense with -ui- for the second and third person singular form of Present tense and singular form of Imperative , and with -uo- for the Preterite ("ich quoll") and in Past Participle ("gequollen").
Präsens
Präteritum
Perfekt
Plusquamperfekt
Futur II
Futur I