1 A: Is Jason at work today? B: He ...can't... be. His car isn't in the car park.
2 A: I can't do my German homework. It's too difficult. B: I'll help you. I............speak German.
3 A: I'm going to watch television. B: Alright, but you .............stay up too late.
4 A: We............book a taxi to take us to the airport. B: I'll do it now.
5 A: I didn't know Rachel was in the choir. B: Oh yes. She..............sing beautifully.
6 A: Shall I cook dinner tonight? B: No, you.............We're going to a restaurant.
7 A: Has Tim bought a car yet? B: He............have. I saw him on the bus yesterday.
8 A: She..........be very rich. B: Yes. She's got a huge house and an expensive car.
9 A: I did the washing-up for you. B: Oh, you.............have, but it was kind of you.
10 A: Would you like to come to my party on Saturday night? B: I'd like to, but Mum says I .............visit my grandparents.
Ответы к упражнению:
1.can't
2.can
3.mustn't
4.must/have to
5.can
6.needn't
7.can't
8.must
9.needn't
10.have to
Перефразируйте предложения, используя модальные глаголы must, can't:
1 I'm sure she has gone on holiday.
She ...must have gone on holiday....
2 I'm certain he doesn't know the secret. He..........
3 I'm certain Mike hasn't got a new car.
Mike.............
4 I'm sure Susan has paid the phone bill.
Susan......................
5 I'm sure they don't live here.
They...............
6 I'm sure they left the party early.
They....................
7 I'mcertain he didn't call me.
He........................
8 I'mcertain Marie sent you a birthday card.
Marie.....................
9 I'm sure she has been keeping secrets from me.
She...................