Réponse :Bonjourrrr,
1.
a. He can't remember the last time he went to the mall.
b. She should have told her parents she was going out
c. You mustn't forget to bring a ball.
d. I must leave before nighttime.
e. You should create a new place to hangout.
2.
a. Skating is forbidden here! You can't skate where you see the sign telling you not to.
b. It's my property but I don't mind: you can skate in my driveway if you like.
c. I wanted to come! You could have told me you were all going to the mall.
Explications :