1、Tom 　　　 　(be) in Paris since 2 years ago.

2、I 　　 　(be) to the Great Wall twice.

3、My uncle 　　　 　(be) in this city for many years.

4、We 　　　　　　 　(visit) our teacher already.

5、　　　　　 May 　　　　 　(go) home yet?

6、He 　　　　　　 　(read) the book 3 times.

7、They 　　　 　just 　　　　　 　(leave) the farm.

8、She 　　　　　 　(not play) football these days.

9、My friend 　　 　(see) the film before.

10、He 　　　　　 　never 　　 　(meet) a foreigner.

11、He 　　　　　 　(give) you the answer as soon as he 　　　 　(come) back.

12、There 　　 　(be) a meeting tomorrow. Please 　　　　　 　(come) on time.

13、My mother 　　　　　　 　(work) for 3 years.

14、　　　 (be) there much snow last winter? No, there 　　　　 　(not).

15、We 　　　 　(start) at 10 if it 　　　 　(stop) raining.

16、The plane 　　　　 　(take off) in a moment.

17、It 　　　 　(rain) for 3 days. There are too much rain is year.

18、How long 　　 　you uncle 　　 　(live) in Beijing.

19、We 　　　 　(learn) many words since we can to this school.

21、The wind 　　 　(blow) hard yesterday. It 　　 　(blow) off my hat.

22、　　　 you 　　　　　　 　(hear) the news last night?

23、They 　　 　(write) letters the whole morning. They didn't have a rest.

24、One day I 　　(happen) to be alone at home. He 　 　(come) and we 　　 　　　　 　(have) a chat.(聊天)

25、She often 　　　　 　(talk) about that book.

26、The train 　　　　 　(leave) in 10 minutes.

27、Look! The children 　　　 　(play) in the park.

28、I 　　 　already 　　　 　(walk) for 20 minutes. I'm too lived.

29、How long 　　 　your father 　　　 　(live) in Beijing.

30、I 　　　　 　(not read) today's newspaper yet 　　　 　it 　　　　 　(come)?

31、His father 　　　 　(be) a doctor since 1987.

32、The foreign guests 　　　 　(arrive) in 5 minutes.

33、I 　　　　 　(see) her this morning. What's wrong with her?

34、The boy 　　　 　(study) now. 　　　　　 　(not make) any noise.

35、Yesterday I 　 　(go) to 　 　　(see) a film. On my way to the cinema, I 　　 　(meet) your mother there. We 　　　 　(talk) a lot. We 　　　 　(be) very happy.

36、What 　　　 　you usually 　　　 　(do) after class? Sometimes I 　　 　(go) to the 　　　 　library and sometimes I 　　　 　(have) sports with my classmates.

37、The students 　　　　　 　(listen) to the radio. 　　　　 　(not sing) here, please.

38、I'm late 　　　 　the train 　　　　 　(leave)?

39、Last week my grandma 　　　　　 　(go) to 　　　 　(see) a friend of her. She 　　　　 　(be) very happy. She 　 　　 　　　　(cook) a good dinner. They 　　　 　(enjoy) it very much.

40、Tomorrow 　　　 　(be) Sunday. I 　　　　 　(visit) an old friend.

41、I 　　　 　(fall) and 　　　　 　(hurt) my neck last week.

42、Sometimes Li Ming 　　　 　(do) his homework at school. Now he 　　　 　(do) it in the 　　　　 classroom.

43、What 　　　 　Lin Ying 　 　　 　(do) now? She 　　 　(help) Wang Lin with his 　　　 lessons. 　　　 　she often 　　　　 　(help) him with his lessons? Yes, she 　　 　(help) 　　　　 him with his lessons twice a week.

44、We 　　 　(have) one or two new subjects every year. We 　　 　(have) physics 　　　　 next year. I 　 　 　(work) hard at it.

45、It's five o'clock now. The students 　　　　 　(clean) their classroom.