Define the tenses of the underlined verb forms.

1. There have been many analyses of the Internet and its structure.

2. We have explored common forms of communication.

3. They also found that 59 percent of the United States population regularly uses Internet.

4. This makes the Internet a very interesting form of communication.

5. This way of communication differs from all non-verbal communication.

6. We are becoming more open to other cultures simply because of the Internet.

7. Cars with their engines have becomethe main source of pollution in industrial countries.

8. The invention of the transistor greatly changedthe computer’s development.

9. Other distinctive features of first generation computers were the use of vacuum tubes.

10. If you are working with a user, you will be programming for his particular program.

2. Choose the correct verb form to fit into each sentence:

1. Elaine ….. in London for ten years, but now she is living in Paris.

a. has lived b. lived с.had lived

2. We….. in New York for two weeks and still live here.

a. have lived b. lived c. had lived.

3. By last night the police…..more than ten bomb threats.

a. has reported b. reported с. had reported

4. When the teacher retires next month, she will….. for thirty years.

a. teach b. have been teaching с. be teaching

5. Robert …..for the company for very long before he was promoted.

a. didn't work b. hasn't been working c. hadn't been working

6. By the next year many employees …..their jobs.

a. will have lost b. will be losing с will lose

7. When John …. his mistake, he apologized.

a. has realized b. did realize с. was realizing

8. A: ‘’I'm sure you met Carol at the party last night.

B: I don't remember her. What …..? ‘’

a. was she wearing b. did she wear c. has she worn

9. When I entered the room, she … on the sofa.

a. lay b. is lying c. was lying

10. We are going for a walk. Who … to go with us?

a. is wanting b. does want c. wants

11. … the storm last night?

a. Did you hear b. Have you heard c. Do you hear

12. We … from him since he left for Kenya.

a. didn't hear b. haven't heard c. hadn't heard

13. - Granny has lost her passport.

-When …..?

a. has she lost it b. had she lost it c. did she loseit

14. It … me much time to get to work.

a. takes b. take c. took

15. His smile was something she … before.

a. has never seen b. had never seen c. never saw

16. How long … English?

a. have you learned b. have you been learning c. did you learn

17. Mr. Hay rose from the comfortable armchair in which he …

a. had been sitting b. sat c. had sat

18. Bad news … fast.

a. travel b. travels c. are traveling

19. I … here since September.

a. am b. have been c. was

20. I slipped away while the others …

a had lunch b. had had lunch c. were having lunch

21.Magi really looked better than when he … her last time.

a. saw b. was seeing c. had seen

22. Will you try to find out what time … at the airport?

a. does the plane arrive b. the plane arrives c. arrives the plane

23. You … a lovely song when I entered the room. What was it?

a. sang b. was singing c. were singing

24. My aunt … South America yet.

a. hadn't been to b. wasn't in c. hasn't been to

25. Mom isn't at home. She … the shops and she'll be back soon.

a. has gone to b. has been to c. went to

26. I thought I … my scarf into the back of the wardrobe, but I couldn't find it there.

a. was throwing b. have thrown c. had thrown

27. After it … raining, we went out.

a. stopped b. has stopped c. had stopped

28. Why are you looking so unhappy? – I … my purse

a. had lost b. have lost c. lost

29. She looked out of the window. It …

a. was still snowing b. is still snowed c. has still snowed

30 . Oh, your case is very heavy. I …you to carry it.

a. am going to help b. ought to help c. will help

31. Thedoorbell rang just as he … the house.

a. has left b. left c. was leaving

32. It often … in this part of the world.

a. aiming b. rain c. rains

33. He … at eight in the evening.

a. will come b. come c. would come

34. Last night the police … more than ten bomb threats.

a. has reported b. reported c. had reported

35. Paul went back home, because he … to turn the gas off.

a. forget b. forgot c. had forgotten

36. I…housework all day today yesterday.

a. did b. had done c. was doing

37. I was lying in bed, when the doorbell …

a. was ringing b. rang c. had rung

38. I … a lot of golf recently.

a. play b. played c. have played

39. When I got home everybody … TV.

a. watched b. was watching c. had watched

40. We … your mother for ages.

a. haven’t seen b. didn’t see c. hasn’t seen

Date: 2016-01-03; view: 2936