Question

Exercise 4. Replace the infinitives in brackets by the Present Perfect or the Past
Indefinite.
1. The children (to do) their homework. Now they can go to the skating-rink. 2. You
ever (to be) in Warsaw? — Yes, I (to be) there last year. 3. I already (to send) the
telegram. 4. I (to send) the telegram yesterday. 5. I (not to see) him in January. 6. I
(not to see) him since January. 7. We (not to receive) any letters from her lately. 8.
They (to go) to the camp three days ago. 9. I just (to see) him. 10. I (to see) him in
1973. 11. You (to have breakfast) already? 12. When you (to have breakfast)? 13.
When you (to arrive) in Kyiv? 14. He (to fall asleep) at half past seven. 15. I (to know)
this engineer since I began to work at the plant. 16. At last I (to write) the composition;
now I’ll go for a walk.

Answer 1

1. The children have done their homework. Now they can go to the skating-rink.

2. Have you ever been to Warsaw? — Yes, I was there last year.

3. I have already sent the  telegram.

4. I sent the telegram yesterday.

5. I didn't see him in January.

6. I  haven't seen him since January.

7. We haven't received any letters from her lately.

8.  They went to the camp three days ago.

9. I have just seen him.

10. I saw him in  1973.

11. Have you had breakfast already?

12. When did you have breakfast?

13.  When did you arrive in Kyiv?

14. He fell asleep at half past seven.

15. I have known this engineer since I began to work at the plant.

16. At last I have written the composition;  now I’ll go for a walk.