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Three types of Conditional sentences

Exercise 1. Define the type of conditional sentences and translate into Ukrainian.

1. If we look around, we can see that electricity is serving us in one way or another. 2. If we were free, I should help you with pleasure. 3. If we had tested this material, we should have used it in our work. 4. If ordinary gases are greatly compressed, they become liquids. 5. If supercomputers had not been used for thermodynamic calculations, designers would have spent all their lives on computation. 6. If you think that a computer never makes mistakes, you are wrong. 7. If extreme temperatures generated by atmospheric friction were not so high, a hypersonic craft would not require complicated cooling measures. 8. If we had been told about the lecture on reliability in spacecraft production, we should have come by all means. 9. Superconductivity can be obtained in some materials if the temperature is very low and close to absolute zero.

Exercise 2. Use the verb in brackets in the corresponding tense-form.

1. If you (to know) English well, you will be able to read books in the original. 2. If I get this book, I (to be) very happy. 3. You (to become) much stronger if you did your morning exercises regularly. 4. If she went to work in France, she (to learn) French very quickly. 5. If he (to see) her, he would have spoken to her. 6. I (to help) them if I had been at home. 7. You (to write) the test work well if you have learnt grammar. 8. If she (to ask) me yesterday, I should have told her about it. 9. If we had not been present at the lecture, we (not to understand) the new approach to the solution of the problem.

Exercise 3. Change the sentences according to the models:

Model 1:If I were free, I should help you. - Were I free, I should help you.

Model 2:If he had known about the lecture, he would have come. - Had he known about the lecture, he would have come.

1. If it were possible, we should begin this work at once. 2. If he had had all the necessary books, he would have made his report in time. 3. If the books had been available in our library, we could have done this work much earlier. 4. If there were no computers, space flights would be impossible. 5. If drivers were more attentive while driving, there would be fewer accidents on the road.

Exercise 4. Translate asyndetic (безсполучникові) conditional sentences.

1. Had he used new materials, the device would have been more reliable. 2. Were electric motors used, cars would not pollute the air, would be practically noiseless and very easy to control. 3. Had they applied the new method, the result would have been much better. 4. Were the design of cars improved, the fuel consumption would be greatly reduced. 5. Had a less explosive gas been used in dirigibles at the beginning of the century, they would have been in operation since that time. 6. Were it possible to learn how birds find their way, people would use the principle to develop a navigation system for aviation.

Exercise 5. Translate the sentences and remember the meaning of the verb “to provide” and the conjunction “provided”.

1. The experiments conducted provided very good results. 2. Ukrainian technological achievements that provided the launching of rockets are known all over the world. 3. A tire pressure display provides information for front and back pairs of tires. 4. Provided new composite materials are used, it will be possible to reduce overall aircraft weight. 5. Provided with a new vacuum-controlled carburetor this car model has several important advantages. 6. Superliners could develop a higher speed provided some special cooling measures were used. 7. An aircraft pilot can get all the information he needs provided he contacts a radio navigation station. 8. The work done provided us with new data. 9. Having measured the distance between two points, it is possible to calculate the time during which a car can cover it provided we know the car’s average speed. 10. Our laboratory has been provided with the latest equipment.

VOCABULARY NOTES

Task I.Read and memorize the following words:

1. accurate – точний. Clocks in airport should be accurate.

2. craft– корабель. The harbour was full of all kinds of craft.

3. crew – команда. The crew was waiting for instructions from the ship’s owner.

4. depth – глибина. The snow was one metre in depth.

5. descend – спускатися. The sun descended behind the hill.

6. design – проект. The building was poor in design.

7. due to – завдяки; через. The accident was due to careless driving.

8. explore – досліджувати. He explored the ocean depths.

9. find out – дізнатися. Please find out when the train leaves.

10. image – зображення. An image of a country garden came into his mind.

11. manned – пілотований людиною. Since the first manned space flight science and engineering have come a long way.

12. marine – морський. Marine plants grow on the sea bed.

13. particular – особливий. There was nothing particular in the letter.

14. precision – точність, правильність. She doesn’t express her thoughts with precision, so people often misunderstand her.

15. pressure – тиск. I hope that the tyre pressure is right.

16. to progress – просуватися. The work is progressing steadily.

17. resistant – стійкий. The new material was wear-resistant.

18. sample– зразок. They were shown samples of silk and satins.

19. submersible – занурюваний апарат. Modern submersibles can re-main at the depth of 20,000 feet for eight hours.

20. submerge – опускатися; занурюватися. The submarine sub-merged, then rose to the surface.

21. transparent – прозорий. Ordinary glass is transparent.

Task II.Read and translate the text

TEXT 16A

Читайте також:

1. Back-formations, blends, and other types of word-formation
2. Choose any newspaper and complete the following sentences.
3. Classification of phraseological units and their structural types.
4. Combine the following words into sentences.
5. Complete the sentences with the correct word in brackets.
6. Complete the sentences.
7. Compose sentences in English using the word-combinations from Ex. 8.
8. Compose sentences with the words and word-combinations from Ex. 10.
9. Compose sentences with the words and word-combinations from Ex. 8.
10. Compose sentences with the words and word-combinations from Ex. 9.
11. Conditional Branch Instructions
12. Ex. 3. Are these sentences true or false in your understanding? Correct the false ones.

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