Exercise 5. Translate the following sentences

Exercise 2. Rewrite the sentences using the words in brackets.

1. Do you mind if I leave the door open for a while? (can) 2. You are obliged to take notes during the lecture. (have) 3. I am sorry but you are not allowed to enter this room (must) 4. Jack managed to unlock the door. (able) 5. It was not necessary for Ann to cook the dinner, but she did. (need) 6. Let’s play the game of chess. (could) 7. I’m certain, Jane is bored with her work. (must) 8. I strongly advise you to take up sport. (must) 9. I’m certain Mary isn’t interested in your ideas. (can) 10. You may take the car tonight if you want. (can)

Exercise 3. Complete the sentences with must or have to. Sometimes both are possible.

1. It’s later than I thought. I … go now. 2. Peter left before the end of the meeting. He … go home earlier. 3. In Britain many children … wear uniform when they go to school. 4. When you come to Kharkiv again, you … come and see us.
5. Last night Jim become suddenly ill. We … call a doctor. 6. You really … work harder if you want to pass the examination. 7. I’m afraid I can’t come tomorrow. I … work late. 8. I’m sorry I couldn’t come yesterday. I … work late. 9. Michael doesn’t like his new job, because sometimes he … work at weekends. 10. Ann … go away next week. 11. We couldn’t repair the device ourselves. We … take it to the service. 12. Mary wears glasses. She … wear glasses since she was very young.

Exercise 4. Substitute would with used to where possible. Translate the sentences.

1. They would spend hours in Gorky Park. It was a real fun. 2. Tsiolkovsky believed that rockets would be used for space travel. 3. Bell and Watson would repeat their experiments many times. 4. It became known that a new car would be shown at the exhibition. 5. Electricity would pass through metals, but wouldn’t pass through wood. 6. I asked my friend to help me, but he wouldn’t, he said I could do everything without his help. 7. He would work in the library when he was getting ready for his exam.

1. As telegraph wires couldn’t be hung over the ocean, cables had to be laid on the floor of the Atlantic Ocean. 2. In the next few years engineers are to develop computers of more than 2 billion operations a second. 3. A new kind of a telephone can be called a videophone. 4. One must know that we will need a lot of specialists that will be able to work and live in space for a long time. 5. To see distant objects clearly, one should change the focus. 6. Within a few coming years a quantity production of various materials is to begin in space. 7. Some liquid mixture components would immediately separate on Earth because of different density.
8. It should be said that special space vehicles are necessary for industrial production of space materials. 9. Our group will be allowed to use new laboratory equipment next term. 10. One can see that there is no principle difference between iron and copper as conductors.

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