Model: rufen
Auxiliary: haben
Other forms: abrufen/nicht abrufen
Irregular conjugation for the verb "rufen" and its compounds: there is a vowel change in the stem of Present tense ("ich rufe"), the stem of Preterite ("ich rief") and the stem of Part Participle ("gerufen").
Präsens
Präteritum
Perfekt
Plusquamperfekt
Futur II
Futur I