Model: singen
Auxiliary: haben
Other forms: schwingen/sich schwingen
Irregular conjugation for the verbs with the ending -ingen: there is a vowel change in the stem of Present tense ("ich singe") and the stem of Preterite ("ich sang") and the stem of Past Participle ("gesunden").
Präsens
Präteritum
Futur I
Perfekt
Plusquamperfekt
Futur II