Model: riechen
Auxiliary: haben
Other forms: beriechen/nicht beriechen
Irregular conjugation for ther verb "riechen" and its compounds: there is a a vowel change in the stem of Present tense ("ich rieche") and the stem of Preterite ("ich roch") and the stem of Past Participle ("gerochen").
Präsens
Präteritum
Perfekt
Plusquamperfekt
Futur II
Futur I