Conjugation and declension of "stopfen" in German
Conjugation of the verb stopfen, weak,
perfect with haben 
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 | |
| Infinitiv I Passiv | |
| Infinitiv II Passiv |
Partizipien
| Partizip I | |
| Partizip II |
Singular and plural for Stopfen, m, strong declension
Popular German Verbs
errichten
trennen
liegen
sich zwingen
zahlen
schönen
kohlen
wüsten
hassen
sich gewähren
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verschlimmern
Sorgen machen
leben
beruhen
vierteln
bedeuten
können
verbieten
treten
mangeln
empfinden
bauen
sich schwächen
berufen
sich verlangen
schichten
sich verhindern
definieren
sich gewöhnen
besuchen
sich zählen
bosen
truppen
sich mögen
Conjugation of German verbs
German is spoken as a first or regularly used second language by around 130 million people in Germany, Austria, Switzerland, Luxembourg, Belgium, Liechtenstein, and South Tyrol (Italy). For a short trip to these countries, it is enough to learn a few phrases from a phrase book. But if you plan to stay for contract work or long-term education, you are to study vocabulary and grammar.
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German Nouns and Adjectives
German nouns are declined by cases (Nominativ, Genetiv, Dativ, Akkusativ) and numbers, which often involves changing endings. German adjectives always agree with the nouns to which they refer, they are declined in cases, genders and numbers. It can be complex for language learners to identify and memorize the type of declension: strong declension (Tisch, Wasser, Buch, Gebäude, Haus), weak (Student, Mensch, Herr, Affe, Agent), feminine (Sprache, Schwester, Arbeit, Milch, Politik) or mixed one (Glaube, Doktor, Herz).
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