Aidez mw svp je ne comprends absolument rien merci en avance

Réponse :

did you hear

saw

they were playing

what were you doing

was playing

were not playing (ici tu vas pas dire "weren't playing" parce que c'est le discours est formel )

was playing

Explications :

alors c'est simple , quand l'action est longue tu utilise le past continuous ( "to be" in the past simple + gerund ( v+ing)

mais quand c'est une courte action , tu utilise le passé simple