9. Утворіть речення за поданими зразками, вживаючи Perfect Continuous Active.

1. Зразок: My brother began to do this exercise 20 minutes ago.

He is still doing it.

My brother has been doing this exercise for 20 minutes.

1. The teacher began to explain a new grammar material 15 minutes ago. He is still explaining it.

2. It began to snow 3 hours ago. It is still snowing.

3. I began to write this composition 2 hours ago. I am still writing it.

4. They began to talk 40 minutes ago. They are still talking.

5. She began to learn English 3 years ago. She is still learning it.

2. Зразок: He had been waiting for 20 minutes before I came.

How long had he been waiting before I came?

We had been playing chess for 40 minutes before my sister came.

1. You had been speaking over the phone for half an hour before we came.

2. He had been looking for the magazine for 20 minutes when his mother came.

3. The telephone had been ringing for several minutes when I entered the room.

4. He had been living in Odessa for 10 years when she came.

3. Зразок: I will have been playing the piano for an hour by 5 o’clock.

I will have been playing the piano for an hour before you come.

1. We shall have been working for three hours by 5 o’clock.

2. He will have been listening to music for 40 minutes by 2 o’clock.

3. They will have been learning English for 3 years by December.

4. I will have been training for 2 hours by 5 o’clock.

5. She will have been working in the garden for 2 hours by 4 o’clock.

4. Зразок: She is making an experiment for 2 hours (since 10 o’clock).

She has been making an experiment for 2 hours since 10 o’clock.

1. I am doing my English exercise for an hour (since breakfast).

2. He is waiting for a telephone call for 40 minutes (since 1 o’clock).

3. We are discussing this problem for 2 hours (since 10 o’clock).

4. You are writing a letter for an hour (since 9 o’clock)

5. They are working for 4 hours (since the morning).

10. Утворіть за допомогою поданих у дужках дієслів Perfect або Perfect Continuous. Перекладіть речення.

1. We have greatly (to change) our city.

2. We have been (to do) it by reconstructing its streets, squares, houses.

3. During the last years our city has been (to spread) out and (to change) its appearance.

4. The reconstruction has been (to go on) in a short period of time.

5. Many of the young builders who had been (to take part) in the construction of this Institute entered it as students.

• What you (to write)?

• I (to write) my composition. I (to write) it all morning and I (not finish) it yet.

• I (to finish) mine.

11.1. Визначте відповідну форму дієслова:

1. We … this device now.

a) tested;

b) are testing;

c) tests

2. By the end of 1898 these scientists … the element radium.

a) have discovered;

b) had discovered;

c) discovered

3. Scientists … this problem for 30 years by that time.

a) have studied;

b) had been studying;

c) studied

4. Electronics … already very important in production.

a) has become;

b) become;

c) was becoming

5. By this time tomorrow we shall … all the experimental part.

a) complete;

b) be completing;

c) have completed