1. Кремний используется для изготовления чипсов. 2. Эйнштейн представил свою теорию относительности в 1905 году.
3. Ученые проводят исследования во всех областях науки.
4. Наша компания купила компьютеры и принтеры.
5. О свойствах этих систем говорили.
6. Результаты эксперимента будут опубликованы через месяц.
7. Время операции сократилось.
8. Этот карманный компьютер сделан в Японии.
9. Две статьи были написаны этим ученым в году.
10. Мы используем этот прибор для измерения давления.
11. Это устройство только что было протестировано.
12. В этом районе строится новый стадион.
13. Текст был переведен к 17 час. вчера.
14. Электроприборы широко используются в промышленности и дома.
15. Этот робот уже использовался в промышленных целях.
1 How often do you go to the cinema? (do…go – Present Simple, to go)
2 Usually Tom sleeps well,but last night he slept badly. (sleeps - Present Simple, to sleep) (slept - Past Simple, to sleep)
3 When did you write your composition? (did…write - Past Simple, to write)
4.The River Amazon flows into the Pacific Ocean. (flows - Present Simple, to flow)
5.I shall go to the party tomorrow night,will you come with me? (shall go - Future Simple, to go) (will come - Future Simple, to come)
6.Look!It is snowing. (is snowing – Present Continuous, to snow)
7.What were they doing at 10.30?-They were having breakfast. (were doing - Past Continuous, to do) (were having - Past Continuous, to have)
8.Don't come at 5.I shall be writing a composition. (shall be writing – Future Continuous, to write)
9.When she came,the children were sitting in the sitting room and watching TV. (came – Pst Simple, to come (were sitting and watching – Past Continuous, to sit, to watch)
ex. 1
1. are
2. is
3. is
4. are
5. is
6. are
ex. 2
1. written
2. used
3. sold
4.bought
5. designed
6. printed
ex. 3
1. The film is watched by Mr Jones
2. English is spoken by the people
3. Comics are read by him
4. Volleyball is played by us
5. The song is sung by them
6. Photos are taken by me
7. The housework is done by her
8. The children are helped by the policemen
9. Text messages are written by him
10. The flowers are watered by mother