Model: fahren
Auxiliary: sein
Other forms: hintereinanderfahren/sich hintereinanderfahren
Irregular conjugation for ther verb "fahren" and its compounds: stem vowel mutation (umlaut) in singular form of the second and third person in Present tense ("du fährst").There is a vowel change in the stem of Present tense ("ich fahre") and the stem of Preterite ("ich fuhr") and the stem of Past Participle ("gefahren").
Präsens
Präteritum
Futur I
Perfekt
Plusquamperfekt
Futur II