Wortino

unterscheiden: haben or sein? Perfect tense: hat unterschieden

In English: to distinguish, differentiate; (reflexive) to differ, be different · A2

The answer

In the Perfekt, unterscheiden takes: haben

Perfekt auxiliary
haben
Partizip II
unterschieden
Perfekt
hat unterschieden

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.