Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
comp 3.doc
Скачиваний:
55
Добавлен:
04.05.2019
Размер:
3 Мб
Скачать
☆

1.Translate the following sentences paying attention to the tenses.

1. We solve different problems every bay – We have already solved many problems.

2. He made a mistake in calculations – He has made a mistake in calculations, he is to

start it again.

3. They will improve methods of work – They will have improved their methods of work

by the end of the week.

4. The programmer is carrying computer – He has been carrying computer operations for

operations 2 hours.

5. They are housing new computer – They have been housing computer equipment for equipment the whole week.

6.When I arrived, they were discussing – By the time I arrived they had discussed many

a problem. important problems.

They had been discussing problems the whole

evening.

2. Translate the following sentences paying attention to the meaning of the verbs in Present Perfect Past Perfect and Perfect Continuous tenses in Passive.

1. New results have been obtained for our research with the help of modern computers.

2. All the necessary preparations had been done before the operator began his work.

3. The figures which have been referred to were published in technical issues.

4. In recent years many discoveries have been made in this branch of electronics.

5. The manufacture of electronic computers for technical diagnostics had been started by that time in Ukraine.

6. By 2021 we will have been applying new computer equipment for 2 years.

7. New ways of automated programming have been developing for the last years.

3. Open the brackets.

1. The range of human knowledge _______ (doubles; doubled; has been doubled) every twelve to fifteen years.

2. By 1960 man’s knowledge _______ (grow; grew; had grown) sixfold.

3. We _______ (have been solving; has been solving; - has solved) complex dynamic problems for ten years.

4. This program _______ (allow; allowed; allows) us to access a very important information.

5. All hard tasks _______ (will be performed; are performed; were performed) with the help of computer programming in our future work.

6. Ac said the program ______ (has yield; had yield; will yield) deep analyses of the proposed data.

7. When _______? (was performed; did/perform; will be performed)

8. They _______ (use; are using; have used) complex computer systems now in the control and monitoring of space vehicles.

9. All setup information _______ already (have been stored; is stored; was stored)

10. When he came to the conference hall they _______ (have been making; were making; had made) the most suitable decisions.

11. The members of our Information Centre usually _______(identify; have identified; are identifying) a great deal of problems.

12. The scientists _______ (have been investigated; have been investigating; investigate) this problem for nearly half a century.

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]