Wortino

lüften: haben or sein? Perfect tense: hat gelüftet

In English: to air, to ventilate · B1

The answer

In the Perfekt, lüften takes: haben

Perfekt auxiliary
haben
Partizip II
gelüftet
Perfekt
hat gelüftet

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

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