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The Verbals (Неособові форми дієслова)

Infinitive

(Інфінітив)

1. З’єднайте речення за зразком:

Зразок:

І teach English here. I am glad of it. – 1 am glad to teach English here.

We helped him. We are happy about it. — We are happy to have helped him.

I was examined yesterday. I am glad of it. І am glad to have been examined yesterday.

    1. І work at the factory. I am happy about it.

    2. І see you. I am glad of it.

    3. І study French. I am glad of it.

  1. І live in this town. I am happy about it.

  2. І know this man. I am happy about it.

  3. І am going to Paris. I am happy about it.

  4. І am spending my holidays in the Crimea. I am happy about it.

  5. I am listening to the symphony. I am glad of it.

  6. І am reading his letter. I am glad of it.

  7. І am playing chess with you. I am glad of it.

  8. І spent my holidays in the country. I am happy about it.

  9. He played chess with the world champion. He is happy about it.

  10. І bathed in the river. I am glad of it.

  11. І learned English at school. I am glad of it.

  12. І passed my examination yesterday. I am glad of it.

  13. І don't understand this rule. I am sorry about it.

  14. І am not working there now. I am sorry about it.

  15. І have not seen this film. I am sorry about it.

  16. She has not been working all these years. She is sorry about it.

  17. Peter didn't see her. He is sorry about it.

2. Визначте функції інфінітиву. Перекладіть речення на українську мову.

  1. To complete the reaction at low temperatures it takes more time.

  2. It may be useful to give a general definition of the word “refrigeration”

  3. To refrigerate a substance means to reduce its heat content.

  4. When the arm is to absorb heat the plant is called a heat pump

  5. Gas can be liquefied.

  6. It is possible to hasten the process of evaporation by the constant application of heat.

  7. The heat supplied causes the liquid to vaporize

  8. When vapour is cooled it begins to condense

  9. To reduce the pressure is to make a liquid boil.

  1. To cool a substance we must remove its heat.

  2. The water to be frozen was placed into a container.

  3. To cool water is possible by adding ice into it.

  4. Special pits to store ice and snow were constructed by ancient Greeks and Romans

  5. They knew a mixture of ice and salt to have been used for cooling purpose before our era.

  6. Low temperature in mechanical refrigeration can be obtained by expanding compressed gas.

  7. The attempts to construct a machine to be used for production of artificial ice were made at that time.

  8. To find a better substance for refrigerant was a problem to be solved.

  9. The task of a compressor is to pump heat from a lower to a higher temperature level.

  10. The engineer watched the machine to have been running for a time

  11. A new refrigerating machine is reported to have gone into operation.

3. Перекладіть на українську мову речення з об’єктним інфінітивним зворотом.

1. We know such reactions to occur under extremely high as well as low temperatures.

2. At that time scientists believed heat to be a kind of substance flowing from one body to another.

3. The disadvantages of such cooling means as ice stimulated the scientists to find other methods of refrigeration.

4. The engineers supposed a new cooling device to be reliable.

5. Everybody considers refrigeration to play a great role in many branches of industry.

6. We find the viscosity of lubrication oil to be higher than that of alcohol.

7. They heard the natural ice to have been imported in ships for sale in Europe.

8. The engineer considers these insulation materials to be very suitable for a cold-storage warehouse.

9. The engineer wants the new methods to be used in the production process.

10. We know her to be a talented scientist.

11. The designer expected the electronic computer to perform over ten thousand operations every second.

12. We found the subject to be difficult.

13. They expected us to win the contest.

14. We heard the mixture of ice and salt to have been used up to the 1930s.

15. We know such plants to be called heat pumps.

16. They knew a mixture of ice and salt to have been used for cooling purposes before our era.

17. Heat causes most materials to become slightly bigger.