Bài 1:
1. My brother stopped working in this factory last month 
→ My brother hasn’t worked in this factory last month.
2. Maria stopped planting flowers 10 years ago
→ Maria hasn’t  planted flowers for 10 years.
3. Ba started building this hotel a year ago.
 → Ba has  built this hotel for a year.
4. She stopped playing volleyball a year ago 
 → She hasn’t played volleyball for a year.
5. We began listening to music at 4pm
→ We have begun listened to music since 4 pm.
6. I left  there last month
 → I haven’t left there since hast month.
7. When did you live here? 
→ How long  have you lived here ?
8. When did you know her? 
→ How long  have you knew her ?
9. How long have you written this book?
→ When  did you have write this book ?
10. Ba has worked  in this factory since he was 18
→ Ba started working in this factory when he was 18

Bài 2:

11. a. books  b. likes   c. reads   d. stops
12. a. listened  b. stopped  c. traveled  d. repaired
Bài 3:

13. These waiters (live) has lived here for a year.
14. She (learn) has learnt  English since 1990.
15. He (live) has lived in London for two years.
16. He has ever (eat) eat  this kind of food?
17. We (be) is to Ho Chi Minh city several times. 
18. Have you (do) done your homework yet?
19 They have already (sell) sold their car.
20 Have you (do) done your homework yet?

Rewrite the sentence without changing its meaning (5POINTS).
1. My brother stopped working in this factory last month 
→ My brother hasn’t worked in this factory last month.
2. Maria stopped planting flowers 10 years ago
→ Maria hasn’t  planted flowers for 10 years.
3. Ba started building this hotel a year ago.
 → Ba has  built this hotel for a year.
4. She stopped playing volleyball a year ago 
 → She hasn’t played volleyball for a year.
5. We began listening to music at 4pm
→ We have begun listened to music since 4 pm.
6. I left  there last month
 → I haven’t left there since hast month.
7. When did you live here? 
→ How long  have you lived here ?
8. When did you know her? 
→ How long  have you knew her ?
9. How long have you written this book?
→ When  did you have write this book ?
10. Ba has worked  in this factory since he was 18
→ Ba started working in this factory when he was 18

Choose the word whose part is pronounced differently from the other in each group. (1 point)
11. a. books  b. likes   c. reads   d. stops
12. a. listened  b. stopped  c. traveled  d. repaired
Write the correct form of the verbs in the parentheses.
13. These waiters (live) has lived here for a year.
14. She (learn) has learnt  English since 1990.
15. He (live) has lived in London for two years.
16. He has ever (eat) eat  this kind of food?
17. We (be) is to Ho Chi Minh city several times. 
18. Have you (do) done your homework yet?
19 They have already (sell) sold their car.
20 Have you (do) done your homework yet?