Model: laufen
Auxiliary: sein
Other forms: herüberlaufen/nicht herüberlaufen
Irregular conjugation for the verb "laufen" and its compounds: stem vowel mutation (umlaut) in singular form of the second and third person in Present tense ("du läufst"). There is a vowel change in the stem of Present tense ("ich laufe"), the stem of Preterite ("ich lief") and the stem of Past Participle ("gelaufen").
Präsens
Präteritum
Perfekt
Plusquamperfekt
Futur II
Futur I