Model: beweisen
Auxiliary: haben
Other forms: hinweisen/sich hinweisen
Irregular congugation for the verbs "preisen", "weisen" and their compounds: loss of -s- in the second person singular form of Present Indicative ("du beweist"). There is a vowel change in the stem of Present tense ("ich beweise"), the stem of Preterite ("ich bewies") and the stem of Part Participle ("bewiesen").
Präsens
Präteritum
Futur I
Perfekt
Plusquamperfekt
Futur II