Ex1: Give the correct from of verbs 1. Mai (never be) .............. in Hanoi 2. She (study)............Korean for 2years 3.How many times..... you (see).... him since he went to Edinburgs ? 4. Mai (lose)..... her dictionary 5. I (work)....... very hard for the exam 6........ you (be) .... to the zoo? 7. I'm afraid you (look) ....anything the wrong one 8. I hope (have)................ a job 9. Try to avoid (make)........... him angry 10. I(go)..............to ask you to help me, but you (sleep) ....... peacefully when I (look)...... into your roan that I (decide)..... to do it alone 11. John (work).... from morning to night he (study)..... to be a doctor 12.Just as I ( write)........ the letter, the inkpof (fall)....over 13.It's no use (wait).... 14. I hate (see)... a child (cry).. 15. Gravity makes water (run).... downhill 16. We are eager (return) ... to school in the fall 17. Stop (argue) .... anh start (work).. 18. He has a piano anh a viollin, but he (not have ) .... a flute 19. He stays that she ( arrive )......on time yesterday 20. She says that she (arrive).........on time tomorrow 21. I think that victor (be) .......late 22. He said that he ( graduate)............. from university in 1991 23. We thought they (move)....... to Califoria 24. The teacher said that water (consist) ..... of hydrogen anh oxygen 25. I (be)..... there when you arrive 26. George (work)........ at the university so far 27. When he lived in Machester, he (work)....... in a bank

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1. Xác định thì đúng cho mỗi câu.
2. Điền đúng dạng động từ vào chỗ trống trong câu.

Câu trả lời:

1. Mai has never been in Hanoi.
2. She has been studying Korean for 2 years.
3. How many times have you seen him since he went to Edinburgs?
4. Mai has lost her dictionary.
5. I have been working very hard for the exam.
6. Have you been to the zoo?
7. I'm afraid you haven't looked at anything the wrong one.
8. I hope to have a job.
9. Try to avoid making him angry.
10. I was going to ask you to help me, but you were sleeping peacefully when I looked into your room that I decided to do it alone.
11. John has been working from morning to night. He is studying to be a doctor.
12. Just as I was writing the letter, the inkpot fell over.
13. It's no use waiting.
14. I hate seeing a child cry.
15. Gravity makes water run downhill.
16. We are eager to return to school in the fall.
17. Stop arguing and start working.
18. He has a piano and a violin, but he doesn't have a flute.
19. He stays that she arrived on time yesterday.
20. She says that she will arrive on time tomorrow.
21. I think that Victor will be late.
22. He said that he graduated from university in 1991.
23. We thought they moved to California.
24. The teacher said that water consists of hydrogen and oxygen.
25. I will be there when you arrive.
26. George has been working at the university so far.
27. When he lived in Manchester, he worked in a bank.