Wortino

klappen: haben or sein? Perfect tense: hat geklappt

In English: to work out, go smoothly (colloquial) · A2

The answer

In the Perfekt, klappen takes: haben

Perfekt auxiliary
haben
Partizip II
geklappt
Perfekt
hat geklappt

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

Perfekt example

Es hat fast geklappt.

It almost worked.

Tatoeba · raggione · CC BY 2.0 FR
Das hat nicht geklappt.

That didn't work.

Tatoeba · Pfirsichbaeumchen · CC BY 2.0 FR

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.