J'ai cet exercice a faire en anglais je comprends rien, quelqu'un pourrait m'aider svp!
Exercice : Mettez les verbes entre parenthèses au prétérit ou prétérit en be + V-ing

1- Last night, we (play) Monopoly when we (hear) a terrible scream outside.

2- We all (go) outside to see what (go on).

3- And what (you, discover)?

4- A man (lie) on the floor with a knife in his back.

5- (you/find) any clues?

6- Yes ! We (look) for clues everywhere and we (find) a watch on the floor.

7- Of course we (call) the police. And we (give) them the watch.

8- (they, arrest) the murderer?

9- They (not tell) us.​