Complete the sentences with the correct form of (don’t) have to or can’t. 1 You have to be fit and strong to run a marathon. 2 Bill ______ compete this month – he’s injured. 3 The audience ______ wait long – the competition started on time. 4 You ______ have the right equipment to go climbing. 5 I ______ take penicillin. I’m allergic to it. 6 Teachers ______ have a lot of patience, I think. 7 ______ you ______ work hard last year to pass all those exams? 8 ______ you ______ stop eating when you have diarrhoea? 9 I ______ sleep at night and I’m getting very tired. What should I do, doctor? 10 She ______ talk right now. She’s driving. 11 It’s OK, you ______ look smart. Casual wear is fine.
2 can’t compete 3 don’t have to wait 4 have to have 5 can’t take 6 have to have 7 Did have to 8 Do have to 9 can’t sleep 10 can’t talk 11 don’t have to
2 can’t compete
3 don’t have to wait
4 have to have
5 can’t take
6 have to have
7 Did have to
8 Do have to
9 can’t sleep
10 can’t talk
11 don’t have to