1) I needn't finish this project this evening so I can go out with you.
2) Do you have to wear a uniform for you job?
3) You should see the new TV series. It's very interesting.
4) You mustn't be late for the interview or they'll be angry.
5) Students can't leave the room before the end of the exam.
6) You should not drive so fast. The police will stop you!