stümpern: verb conjugation and noun declension
Conjugation of the verb stümpern, weak,
perfect with haben 
bungle, stumble, bumble
Indikativ
Präsens
Präteritum
Perfekt
Plusquamperfekt
Futur I
Futur II
Konjunktiv I
Präsens
Perfekt
Futur I
Futur II
Konjunktiv II
Präteritum
Plusquamperfekt
Futur I
Futur II
Imperativ
Infinite Verbformen
Infinitiv
| Infinitiv I Aktiv | |
| Infinitiv II Aktiv |
Partizipien
| Partizip I | |
| Partizip II |
Singular and plural for Stümper,
m, strong declension 
blunderer
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German Verb Conjugation and Word Forms Online
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