Упражнение 2

Выберите сказуемое в предложении, определите его время и залог.

1. Our experiments will have been completed by the end of the week.

2. Many factors influenced the rate of reaction.

3. The rate of reaction was influenced by many factors.

4.We shall have completed our experiments by the end of the week.

5. Scientists have developed new generations of computers.

Упражнение 3.

Найдите и назовите в первом ряду глаголы, относящиеся к группе Continuous, во втором - к группе Perfect, в третьем - к группе Perfect Continuous и в четвертом ряду - к группе Simple.

1. was measured

2. will measure

3. are being measured

4. has been measured

5. measured

6. am measuring

7. had measured

8. were measuring

1.shall develop

2. had developed

3. shall have been developed

4. was being developed

5. will have developed

6. develop

7. has been developing

8. is developing

1. have been worked

2. are working

3. works

4. will have worked

5. has worked

6. will have been working

7. were working

8. had been working

1V

1. was conducting

2. have conducted

3. conducts

4. was being conducted

5. is conducted

6. had been conducted

7. has been conducting

8. shall be conducted

Упражнение 4.

Подобрать предложения из раздела A, корреспондируемые предложениями из разделаB. В пояснениях по каждой паре указать использованное время залог.

A.

1. Four fifths of our customers are satisfied with our products.

2. The picture was attentively looked at.

3. They've just signed an important contract.

4. 1 was very tired when I arrived home. I'd been working hard all day.

5. We saw an accident while we were waiting for the bus.

6. Who does this umbrella belong to? I've no idea.

7. It is very interesting to watch this device in action.

8. He understood the text after he had read it again.

9. Mathematics is of great importance for engineers.

10. Let them analyse the results of the test.

B

a. Have you ever used this type of machine?

b. The newspapers are usually brought in the morning.

c. They had been conducting this experiment for two hours before you came.

d. It is very difficult for me to work and study at the same time.

e. At first I thought I'd done the right thing, but soon I realized that I'd made a serious mistake.

f. Let me explain the phenomenon in detail.

g. The Sun is the most important body in the Universe for mankind.

h. The children at Sparta were given a military education.

i. Are you hungry? Do you want something to eat?

j.The television was on but nobody was watching it.

Упражнение 5.