Bonjour,
Réponse :
My father shot a movie in black and white
A movie in black and white was shot by my father.
he is using a computer program
A computer program is being used ( by him )
my parents shoot most of the scenes in a studio
Mostt of the scenes are shot ( by my parents ) in a studio.
Louis pasteur discovered the first vaccines for rabies
The first vaccines for rabies were discovered by Louis Pasteur.
Explications :
PASSIF : "be" ( au temps de la voix active ) + participe passé
Le complément d'agent introduit par "by" est parfois sous-entendu
