Question tags avec BE

Complète le tag (aren’t you / is she / weren’t they...).
isn't it / aren't you / is she / weren't they / was he / aren't we
It's cold today, ?
Il fait froid aujourd’hui, non ?
You are tired, ?
Tu es fatigué(e), non ?
She isn't ready, ?
Elle n’est pas prête, si ?
They were late, ?
Ils étaient en retard, non ?
He wasn't there, ?
Il n’était pas là, si ?
We are friends, ?
On est amis, non ?