Model: fliessen
Auxiliary: sein
Other forms: fliessen/nicht fliessen
Irregular conjugation for verb "fliessen" and its compounds: loss of -s in the second singular form of Present Indicative ("du fliesst"). There is a vowel change in the stem of Present tense ("ich fliesse") and the stem of Preterite ("ich floss") and the stem of Past Participle ("geflossen").
Präsens
Präteritum
Perfekt
Plusquamperfekt
Futur II
Futur I