3 Complete the sentences with can/can’t, have to/don’t have to or must/mustn’t.

1 We must/have to get up early. (necessary)

2 You be late again. (not allowed)

3 You do it again. (not necessary)

4 You be an adult to enter. (necessary)

5 We get a bus now. We’ve missed the last one. (not possible)

6 Children watch this film. (allowed)

7 He call a taxi. I’ll drive. (not necessary)

8 We show our passports. (necessary)

9 The dog come in – it’s fine. (possible)