Must/mustn't/ should/shouldn't/can/can't/may/might
1) Don't walk there!
2) It is possible to rain later.
3) Would it be OK if I leave?
4) You are not allowed to leave now.
5) It is not that possible that he will come to the party.
6) He isn't able to swim.
7) It is not a good idea to go
there.
8) Don't be rude to your classmates.
9) I advise you to read this book.
10) Be careful when you use this knife.