Wortino

stopfen: haben or sein? Perfect tense: hat gestopft

In English: to stuff; to darn · B1

The answer

In the Perfekt, stopfen takes: haben

Perfekt auxiliary
haben
Partizip II
gestopft
Perfekt
hat gestopft

Wortino stores one auxiliary per verb; some verbs can take both depending on the meaning.

More

Study it with cards

Wortino turns verbs into flashcards with spaced repetition: a word you struggle with comes back soon, one you know comes back less often.