Model: fliessen
Auxiliary: sein
Other forms: sich 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
Futur I
Perfekt
Plusquamperfekt
Futur II
zu + Infinitiv