5. Read, analyse and translate the sentences.

1. To examine metals metallurgists use microscope. 2. To determine the degree of radiation of a nuclear reactor is very important. 3. To launch a vessel is a great event for shipbuilders. 4. In order to do his job well, a seaman must know much. 5. The research to be carried out required new scientific fleet. 6. To live in peace with all the nations is the greatest wish of all the peaceloving people. 7. The plan of our research work will be discussed at the meeting to be held next week. 8. The new vessel to be launched in a few days is equipped with powerful engines. 9. The work to be carried out in this laboratory will be connected with problems of the strength of materials. 10. Newton was the first to solve the problem of gravitation.

Grammar: Objective Infinitive Construction (Complex Object – Сложное дополнение)

We believe his experiment to be of great importance. Compare:

We believe that his experiment is of great importance. – Мы полагаем, что его эксперимент является очень важным.

Verb groups followed by the Infinitive Construction

Глаголы со значением умственной деятельности (союз что)	Глаголы со значением волеизъявления, приказания (союз чтобы)		Глаголы со значением восприятия (союз как)
to expect – ожидать to know – знать to consider – считать to believe – полагать to suppose – предполагать и др.	to want – хотеть to force, to make – заставлять to order – приказывать и др .	to see – видеть to hear – слышать to watch – наблюдать (после них перед инфинитивом не употребляется to)

6. Translate the sentences.

1. We assume electric current to flow left to right. 2. We expect the ship to arrive tomorrow. 3. We know A.S.Popov to have invented the radio. 4. The laboratory workers watched the scientist carry out his experiment. 5. I heard her sing. 6. I want you to tell me the truth. 7. We know all metals to be good conductors. 8. The engineer made us repair the motor at once. 9. The newspaper reported the foreign delegation to have visited the Hermitage. 10. We supposed him to repair the watch the next day. 11. They believe her work to be very important. 12. We suppose hydrogen (водород) to be raw material of the universe.

7. Fill in the particle to before the infinitive where necessary and translate the sentences.

1. I like … play the guitar. 2. My brother can … speak French. 3. They wanted … cross the river. 4. It is high time for you … go to bed. 5. May I … use your telephone? 6. They heard the girl … cry out with joy. 7. Would you like … go to England? 8. I wanted … speak to Nick, but could not … find his telephone number. 9. Let me … help you with your homework. 10. I think I’ll be able … solve this problem. 11. What makes you … think you are right? 12. I saw him … enter the room. 13. She made me … repeat my words several times. 14. That funny scene made me … laugh.