Wortino

vermehren: haben or sein? Perfect tense: hat vermehrt

In English: to increase; to multiply (sich vermehren) · B1

The answer

In the Perfekt, vermehren takes: haben

Perfekt auxiliary
haben
Partizip II
vermehrt
Perfekt
hat vermehrt

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

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