Note
sein + masc. and neuter nouns seine + fem. nounsUsages of sein
sein Leben
his life
Sein Leben ist langweilig.
His life is boring.
sein Frühstück
his breakfast
Er ißt sein Frühstück.
He eats his breakfast.
sein Mittagessen
his lunch
Er ißt sein Mittagessen.
He eats his lunch.
Er ißt sein Mittagessen in der Kantine.
He eats his lunch in the canteen.
Still remember your Dativ?
in der Firma
in der Kantine
seine Pizza
his pizza
mit seinen Gedanken
with his thoughts
Er ist ganz woanders mit seinen Gedanken.
He is completely elsewhere with his thoughts.
= Er ist mit seinen Gedanken ganz woanders
Schließlich ist seine Mittagspause vorbei.
Finally his lunch break is over.
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