1. be (am/is/are) = was/were

2. become = became

3. begin = began

4. break = broke

5. bring = brought

6. build = built

7. buy = bought

8. catch = caught

9. come = came

10. cut = cut

11. do = did

12. drink = drank

13. eat = ate

14. fall = fell

15. feel = felt

16. find = found

17. get = got

18. give = gave

19. do = went

20. grow = grew

21. have = had

22. hear = heard

23. hold = held

24. keep = kept

25. know = knew

26. leave = left

27. learn = learned/learnt

28. make = made

29. meet = met

30. put = put

31. read = read

32. say = said

33. see = saw

34. sell = sold

35. send = sent

36. sing = sang

37. sit = sat

38. speak = spoke

39. spend = spent

40. stand = stood

41. take = took

42. teach = taught

43. tell = told

44. think = thought

45. wear = wore

46. write = worte

47. lose = lost

48. awake = awoke

49. bear = bore

50. choose = chose

1,This is the first time I have seen him (đây là lần đầu tôi thấy anh ta)

=> I have never seen him before. (tôi chưa bao giờ thấy anh ta trước đây)

2,When did you buy it ? ( bạn đã mua nó khi nào ?

=> How long have you bought ? ( bạn đã mua nó được bao lâu ? )

 3,It's ten years since I last met him. (đã 10 năm từ khi tôi gặp anh ta lần cuối)

=> I haven't met him for ten years. (tôi đã không gặp anh ta 10 năm rồi)

4,The last time she went out with him was two years ago. (lần cuối cô ta đi chơi với anh ta cách đây 2 năm)

=> She hasn't gone out with him for two years.( cô ta đã không đi chơi với anh ta đã 2 năm nay )

5, I last saw him when I was a student. (lần cuồi cùng tôi thấy anh ta là khi tôi là sinh viên)

=> I haven't seen him since I was a student. (tôi đã không thấy anh ta từ khi tôi là sinh viên)

6,I started / begun studying English 3 years ago. (tôi bắt đầu học Tiếng Anh cách đây 3 năm)
=> I have studied English for 3 years. ( tôi học Tiếng Anh được 3 năm )

7,This is the first time he went abroad.

=>He hasn’t never gone abroad before.

8. She has driven for 1 month.

I haven’t cut my hair since I left her.

She has kissed me for 5 months.

12. We haven’t met (each other) for a long time.

13. How long have you had it

14. I haven’t never eaten such a delicious meal before.

15. The last time I saw him was 8 days.16.

It is …. days since I last took a bath.

17.Samuel has kept a diary since 1997.

18. We have learned English for five years

19.I have lived in Ho Chi Minh City since I was 8.

20, She started to teach the children in this remote village five months ago.

21. The last time he wrote to me was in April.

22. She last had a swim was five years ago

23..They haven’t talked to each other for two months.

24. She hasn’t seen her elder sister since 1999

25.It’s ten years since Robert and Catherine were married

[ Chuyển => từ 8 -> 25 ]

8,This is the first time he went abroad.

9) She started driving 1 month ago.

10) We began eating when it started to rain.

11) I last had my hair cut when I left her.

12) The last time she kissed me was 5 months ago.

13) It is a long time since we last met.

14) When did you have it ?

15) This is the first time I had such a delicious meal .

16) I haven't seen him for 8 days.

17) I haven't taken a bath since Monday.

18) Samuel started keeping a diary in 1997

19)We started learning English fìve years ago.

13) I began living in Ho Chi Minh City when I was 8.

14) She has taught the children in this remote village for five months

15) He has written to me since April.

16) She hasn’t had a swim for five years

17) They last talked to each other two months ago

19) She hasn’t written to me for years

20) Robert and Catherine have been married for ten years.