26. I have worked for this company for a year
27. The last time I have read that book was November 20th
I have not read that book since November 20th
28. This is the first time I have eaten with knives and folks
29. He  has not had his eyes tested for ten months
30. It is two weeks since she phoned home

31. We are going to have a big party in the garden
32. He suggested Hoa not to put her luggage under the seat
33. ( mk quên mất công thức rồi, sr)
34. Is this the first time you have played computer?
35. She left the room without saying a word

39. We'd rather ypu didn't smoke.
40. It took Mary two hours to finish her essay.

21.How long have you bought this computer?
22. We haven't been to London for two years.
- It's two years since we went to London
- The last time we went to London was two years.
23.I haven't visited Hanoi before.
24.I have learnt English for 5 years
25. This is the first time I have eaten this kind of food
26. I have worked for this company for a year
27. The last time I have read that book was November 20th
- I have not read that book since November 20th
28. This is the first time I have eaten with knives and folks
29. He  has not had his eyes tested for ten months
30. It is two weeks since she phoned home
31. We are going to have a big party in the garden
32. He suggested Hoa not to put her langage under the seat
34. Is this the first time you have played computer?
35. She left the room without saying a word
^^ Tờ đầu ^^

33. I'd rather you didn't interrupt me while I am speaking
36. There's no point in asking him for money.
37. While we was discussing, he came in
38. The rough sea prevented us swimming 
41. -> Nam ran so slow that he didn't win the race.
-> Nam was such a slow person that he didn't win the race.
-> Nam didn't run fast so he didn't win the race.
* Những câu còn lại

21.How long have you bought this computer?
22. We haven't been to London for two years.
It's two years since we went to London
The last time we went to London was two years.
23.I haven't visited Hanoi before.
24.I have learnt English for 5 years