Wortino

kosten: haben or sein? Perfect tense: hat gekostet

In English: to cost; to taste, try (food) · A1

The answer

In the Perfekt, kosten takes: haben

Perfekt auxiliary
haben
Partizip II
gekostet
Perfekt
hat gekostet

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

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