Wortino

nachgehen: haben or sein? Perfect tense: ist nachgegangen

In English: to pursue; to run slow (clock) · B1

The answer

In the Perfekt, nachgehen takes: sein

Perfekt auxiliary
sein
Partizip II
nachgegangen
Perfekt
ist nachgegangen

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

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