erforschen: haben or sein? Perfect tense: hat erforscht
In English: to explore, to research · B1
The answer
In the Perfekt, erforschen takes: haben
- Perfekt auxiliary
- haben
- Partizip II
- erforscht
- Perfekt
- hat erforscht
Wortino stores one auxiliary per verb; some verbs can take both depending on the meaning.
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