9. Замініть складні речення простими, вживаючи інфінітив замість підрядних речень.

А. 3paзок: Yuri Gagarin was the first who flew into space. → Yuri Gagarin was the first to flow into space.

1. Thomson was the first who discovered the electron

2. A.Lodygin was the first who invented the electric lamp

3. Russia was the first country that started the cosmic era

4. James Chadwick was the first who discovered the neutron

5. K. Tsiolkovsky was the first who put forward the theory of space flights

6. D. Mendeleyev was the first who proved the periodicity of the properties of elements

7. He was the second who wished me happy birthday

8. You will be the last who will answer at the exam

9. There was nobody who could help me

10) Our country was the first which used atomic energy for peaceful purposes

B. 3paзок: The houses which will be built here will be 16 stories high. → The houses to be built here will be 16 stories high

1. This report includes all the data which must be discussed

2. The problem which must be discussed at the meeting requires careful consideration

3. The meeting which will be held tomorrow will be devoted to the solution of that problem

4. The machine parts which are to be repaired will be brought next week

5. The hydropower station which will be erected in this region will be one of the most powerful stations in the world

6. The particles which are to be accelerated pass through strong magnetic field

7. Lectures which are delivered at our club are always attended by hundreds of students and teachers

8. Most of the beautiful buildings which can be seen in this street have been built in the past 20 years

10. Замініть складні речення простими, вживаючи суб’єктний інфінітивний зворот за поданим зразком

A.

1. it is known that he is a great book-lover. → He is known to be а great book-lover.

2. It was said that many houses had been damaged by the fire. → Many houses were said to have been damaged by the fire.

1. It can be expected, that the weather will improve soon.

2. We know that he is very good skater.

3. It is reported, that he has been working on this problem for many years.

4. It was believed, that they were on their way to the seaside.

5. It was supposed, that he would arrive in the evening.

6. It is expected, that the conference will attract a lot of people.

7. It is known that San Francisco is called the City of the Golden Gate.

8. In Spain it is said, that the great Cervantes died or hunger.

9. They say, that every Englishman is a countryman at heart.

10. It is considered, that the British people are the world's greatest tea-drinkers.

B.

Зразок: It happened so, that I got up early that day. → I happened to get up early that day.

1. It seems that she got angry.

2. It proved that he was a very experienced worker.

3. It happened there was a doctor there at that time.

4. It seemed that she had forgotten to take the key.

5. It appears that he knows French very well.

6. It happens so that I know when the contract was signed.

7. It proved that the plan was a great success.

8. It seems that the house has been built by a foreign architect.

9. It seemed that he had no opinion about it.