Model: nehmen
Auxiliary: haben
Other forms: sich zunehmen/nicht zunehmen
Irregular congugation for the verb "nehmen" and its compounds: replacement of -e- in the stem of Present tense with -i- for the second and third person singular form of Present tense and singular form of Imperative , and with -a- for the Preterite ("ich nahm") and in Past Participle ("genommen").
Präsens
Präteritum
Futur I
Perfekt
Plusquamperfekt
Futur II
zu + Infinitiv