1 Complete the sentences with must or mustn’t.
1 Jack ____________ be home before 11.30 p.m. on Friday nights.
2 We ____________ forget Helen’s birthday. It’s next Tuesday.
3 You ____________ start each sentence with a capital letter.
4 You ____________ smoke in restaurants in the UK.
5 Benny ____________ work harder. He’s going to fail his exams.
6 You ____________ drop cans in the street. The police might fine you.
7 I’m going to tell you a secret. You ____________ tell anyone!

2 Complete the sentences with mustn’t or needn’t and the correct verbs in the box.
go, buy, miss, go, do, give, shout
1 You ____________________ the homework tonight. The teacher wants it next week.
2 We ____________________ Fran a big present. Something small will be OK.
3 I ____________________ to bed too late tonight. I have to get up early tomorrow morning.
4 You ____________________ me a lift to college tomorrow. I’m going with Tina.
5 You ____________________! I can hear you!
6 They ____________________ another lesson. Mr Brown is angry with them.
7 We ____________________ shopping this afternoon. The fridge is full.