Wortino

erpressen: haben or sein? Perfect tense: hat erpresst

In English: to blackmail, to extort · B1

The answer

In the Perfekt, erpressen takes: haben

Perfekt auxiliary
haben
Partizip II
erpresst
Perfekt
hat erpresst

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

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