21. It (rain) __________ hard. We can’t do anything until it (stop) __________ 22. Last night we (watch) __________ TV when the power (fail) __________. 23. That evening we (stay) __________ up to talk about the town where he (live) __________ for some years. 24. I (sit) __________ down for a rest while the shoes (repair) __________. 25. Half way to the office Paul (turn) __________ round and (go) __________ back home because he (forget) __________ to turn the gas off. 26. London (change) __________ a lot since we first (come) __________ to live here. 27. While we (talk) __________ on the phone the children (start) __________ fighting and (break) __________ a window 28. He used to talk to us for hours about all the interesting things he (do) __________ in his life. 29. You know she (stand) __________ looking at that picture for the last twenty minutes. 30. I (spend) __________ a lot of time travelling since I (get) __________ this new job. 31. When we (be) __________ at school we all (study) __________ Latin. 32. When I (meet) __________ him, he (work) __________ as a waiter for a year. 33. After he (finish) __________ breakfast he (sit) __________ down to write some letters. 34. She (have) __________ a hard life, but she’s always smiling. 35. I think Jim (be) __________ out of town.  36. I (learn) ____________ English for seven years now. 37. But last year I (not/work) ____________ hard enough for English, that's why my marks (not/ be) ____________ really that good then. 38. As I (pass/ want) ____________ my English exam successfully next year, I (study) ____________ harder this term. 39. During my last summer holidays, my parents (send) ____________ me on a language course to London. 40. It (be) ____________ great and I (think) ____________ I (learn) ____________ a lot.  

Tham khảo

1.It (rain) is raining hard. We can't do anything until it (stop) stops.
2.Last night we (watch) were watching TV when the power (fail) failed.
3. That evening we (stay) stayed up to talk about the town where he (live) had lived for some years.
4.I (sit) sat down for a rest while the shoes (repair) were being repaired.
5. Half way to the office Paul (turn) turned round and (go) went back home because he (forget) forgot to turn the gas off
6.London (change) has changed a lot since we first (come) came to live here
7.While we (talk) were talking on the phone the children (start) started fighting and (break) broke a window.
8.He used to talk to us for hours about all the interesting things he (do) has done in his life.
9.You know she (stand) has stood looking at that picture for the last twenty minutes.
10.I ( spend) have spent a lot of time travelling since I (get) got this new job.
11. When we (be) were at school we all (study) studied Latin.
12.When I (meet) met him, he (work) had worked as a waiter for a year.
13.After he (finish) had finished breakfast he (sit) sat down to write some letters.
14.She (have) has a hard life, but she's always smiling.
15.I think Jim (be) will be out of town.

16 have been learning

37 didn't work - wasn't

38 want to pass - will study

39 sent

40 is - think - will learn