зателефонувати їм. 4. Вона знала, що повинна все пояснити їм. 5. Вам потрібно знайти фахівця, який міг би взятися за цю справу. 6. Мені не потрібно бути там раніше трьох годин. 7. Я повинен залишатися тут весь день? 8. Так як я повинен був бути там рівно в п'ять, мені довелося взяти таксі.
Exercise 13. Rephrase the following sentences in as many ways as possible. p align="justify"> It is possible that Sue will be late this evening.may/might/could be late this evening. /Sue is likely to be late this evening. p align="justify">. The guests are supposed to arrive at 8 o clock.
. It wasn t necessary for Toby to go to school today.
. I advise you to book a table in advance. p align="justify">. They are obliged to wear helmets at work. p align="justify">. You are to wait here until the manager arrives. p align="justify">. Steve managed to repair the bike after trying for two hours. p align="justify">. Perhaps we will go to Italy for a holiday next summer. p align="justify">. We were obliged to wear uniform for school. p align="justify">. You aren t allowed to run in the corridors.
. How about inviting some friends over for dinner? p align="justify">. It isn t necessary for you to buy me a present.
. Do you mind if I use your telephone? p align="justify">. Would you like me to clean the windows for you? p align="justify">. How about going for a walk this afternoon? p align="justify"> Exercise 14. Answer the questions in A using must or can t, give a reason from B. Are they Greek? - They can t be Greek. They speak Italian.
ABAre they Greek? Is he ill? Are they asleep? Is he happy? Is he a doctor? He s too young. She s just passed her driving test. They re speaking Italian. Their bedroom lights are off. He s got a high temperature.
Exercise 15. Rephrase the sentences using the correct form of the words in brackets. m sure she is in bed. (Must) - She must be in bed. It s impossible that they missed the plane. (Can t) - They can t have missed the plane.
1. We ll probably arrive before 11 o clock. (Should).
. Perhaps he was ill. (May). p align="justify">. Perhaps she ll phone later. (Might)
. I ll probably be at home by 6 o clock. (Should).
. Perhaps they went home. (Could)
. It s impossible that he s telling the truth. (Can t)
. I m sure you ve heard the news. (Must)
. Perhaps I won t go out this evening. (May)
. It s impossible that she saw us. (Can t)
. I m sure the bus has left. (Must)
. Perhaps he didn t apply for the job. (Might)
. She ll probably be here soon (ought to)
Exercise 16. Complete the sentences using must or can t, as in the example. m sure she has gone on holiday. She_____. - (She must have gone on holidays).
. I m certain he doesn t know the secret. He _____.
. I m certain Mike hasn t got a new car. Mike _____.
. I m sure Susan has paid the phone bill. Susan _____.
. I m sure they don t live here. They _____.
. I m sure they left the party early. They _____.
. I m certain he didn
