Réponse :
Salut!Dsl si j'ai repondu en retard!
Explications :
He was walking his dog.
She was washing her car.
You were building a tree-house.
They were rollerskating.
Rappel:On utilise le ''was'' pour les pronoms:She,He,It.Et on utilise ''were''pour les pronoms:You,We,They
