Условные предложения

Ситуация

Придаточное предложение

Главное предложение

Прошедшим

временем

с “бы”

условие

If he comes in time

Если он придет вовремя,

we shall complete the test.

мы закончим испытания.

should Infi-

would niti-

could ve без

might “to”

ное

условие

If he came in time

Если бы он пришел вовремя,

we should complete the test tomorrow.

мы бы закончили испытания завтра.

3. Нереальное

условие

If he had come in time

Если бы он пришел вовремя,

we should have completed the test yesterday.

мы бы закончили испытания вчера.

Союзы:

if – если

unless – если не

provided – при условии, если

in case – в случае, если

but for – если бы не

1. If he is here he will help you.

2. If he comes early, I'll ring you up.

3. If you had asked him, he might have helped you.

4. Provided this method of work were applied, we would obtain better results.

5. Had the engineer had this information, he would have acted differently.

6. Provided all the requirements were met the efficiency of the apparatus would be increased.

7. Our engineer would take part in the discussions unless he were busy.

8. He could complete the test tomorrow in case he had time.

9. The accident might have not occurred, if you had been more accurate.

10. Had he come in time, nothing would have occurred.

11. Were she a specialist in this field we should show her the new equipment.

12. We should test the device could we get it.

13. But for the atmosphere no life would be possible on the Earth.

ring up – звонить;

accidеnt – авария, несчастный случай;

occur – происходить;

pressure – давление.