erfordern: haben or sein? Perfect tense: hat erfordert
In English: to require, to demand · A2
The answer
In the Perfekt, erfordern takes: haben
- Perfekt auxiliary
- haben
- Partizip II
- erfordert
- Perfekt
- hat erfordert
Wortino stores one auxiliary per verb; some verbs can take both depending on the meaning.
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