Wortino

stolpern: haben or sein? Perfect tense: ist gestolpert

In English: to stumble, trip · A2

The answer

In the Perfekt, stolpern takes: sein

Perfekt auxiliary
sein
Partizip II
gestolpert
Perfekt
ist gestolpert

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.