nachdenken: haben or sein? Perfect tense: hat nachgedacht
In English: to think about, reflect, ponder · A2
The answer
In the Perfekt, nachdenken takes: haben
- Perfekt auxiliary
- haben
- Partizip II
- nachgedacht
- Perfekt
- hat nachgedacht
Wortino stores one auxiliary per verb; some verbs can take both depending on the meaning.
Perfekt example
Haben Sie darüber nachgedacht?
Did you think about it?
Tatoeba · al_ex_an_der · CC BY 2.0 FRHast du darüber nachgedacht?
Have you thought about it?
Tatoeba · al_ex_an_der · CC BY 2.0 FRMore
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.