Ex13. Write down the sentence so that the meaning is not changed.
1. She hasn't come back to her hometown for 4 years.
hometown (n): quê hương
2. He has worked as a bank clerk for 3 months.
bank clerk (n): nhân viên ngân hàng
3. We have flown to Singapore for 5 years.
4. I haven't cut my hair since November.
5. We haven't called each other for 5 months.
6. We haven't met for a long time.
7. How long have you had it?
How long + have/ has + S + P II... ?
-> When did + S +V ... ?
8. I haven't had such a delicious meal before.
9. The last time I saw him was 8 days ago.
The last time + S + V(ed) ... was + time
10. It is four days since I took a bath.
It's + time + since + S + (last) + V(ed)
Ex14. Put the verbs with the past simple or the present perfect.
1. studied
2. have studied
key word: so far
3. have never watched
4. watched
key word: last night
5. have travelled
6. travelled
key word: last summer
7. have read
8. read
9. had
trouble (n): rắc rối
10. have had
key word: since then
11. have had
key word: since my birthday
12. have lived
key word: for ten years
13. went
14. stayed
15. haven't seen (key word: for ages) - hasn't visited (key word: since May)
16. has been
17. has worked ( key word: for two years )
enterprise (n): xí nghiệp
18. moved ( key word: in 2001 ) - have been
19. wore
20. have been
key word: so far
21. have met
22. has become
key word: in the past few years
23. have felt - lived
24. was - haven't seen

Đáp án:

13.

1. She hasn't come back to her hometown for 4 years.
2. He has worked as a bank clerk for 3 months.
3. We have flown to Singapore for 5 years.
4. I haven't cut my hair since November.
5. We haven't called each other for 5 months.
6. We haven't met for a long time.
7. How long have you had it?
8. I haven't had such a delicious meal before.
9. The last time I saw him was 8 days ago.
10. It is four days since I took a bath.

14.
1. studied
2. have studied
3. have never watched
4. watched
5. have travelled
6. travelled
7. have read
8. read
9. had
10. have had
11. have had
12. have lived
13. went
14. stayed
15. haven't seen  / hasn't visited 
16. has been
17. has worked
18. moved / have been
19. wore
20. have been
21. have met
22. has become
23. have felt - lived
24. was - haven't seen