Wortino

abfallen: haben or sein? Perfect tense: ist abgefallen

In English: to fall off; to drop · B1

The answer

In the Perfekt, abfallen takes: sein

Perfekt auxiliary
sein
Partizip II
abgefallen
Perfekt
ist abgefallen

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.