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1. are - reach 2. comes 3. came - had left 4. has never flown
5. have just decided -would undertake 6. would take 7. was
8. am attending - was attending 9. arrive -will be waiting 10. had lived
11. got- had already arrived
12. will see - see - will have graduated
13. visited -was
14. has been - haven’t you read
15. is washing - has just repaired
16. Have you been - spent
17. have never met - looks
18. will have been- comes
19. found – had just left

1. This is the most difficult exam I’ve ever done.
=> I’ve never done a more difficult exam than this.…………………………..
2. Our students have never met any friendlier person than Lucy.
=> Lucy is the friendliest person our students have met …………………………
3. Mary started learning Chinese 3 years ago.
=> Mary has learnt Chinese for 3 years …………………………………

1. A: Who do you love to hang out with ?__________________________________
B: I love hanging out with my best friend, Linda.
2. A: Why dont you give your personal information to websites ? _____________________________________________________________
B: I don’t give my personal information to websites because it’s easy to be stolen.
3. A: What is the most popular pastime activity in your country ?_____________________________________________________________
B: DIY is the most popular pastime activity in my country.
4. A: Where is the art of paper folding is originated ?___________________________________
B: The art of paper folding is originated in China.
5. A: How much time did it take you to write the report ?____________________________
B: It took me 3 hours to write the report.

1.In all the world, there are only 14 mountains that reach above 8,000 meters.
2.He sometimes comes to see his parents.
3.When I came, she had left for Dalat ten minutes ago.
4.My grandfather never has never flown in an airplane, and he has no intention of ever doing so.
5.We just have just decided that we would undertake the job.
6.He told me that he would take a trip to California the following week.
7.I knew that this road was too narrow.
8.Right now I am attending class. Yesterday at this time I was attending class.
9.Tomorrow I’m going to leave for home. When I arrive at the airport, Mary will be waiting for me.
10.Margaret was born in 1950. By last year, she had lived on this earth for 55 years.

QKĐ or HTHT
1. Tom (just come)………has just come…………….. . Do you want to talk to him?
2. This is the first time I (drive)………have driven…………….. a BMW.
3. She (just finish)…………has just finished………….. her homework. She can go out with friends.
4. My father (translate)…………translated………….. two pages yesterday.
5. My brother (see)…………saw………….. him last week at Jane’s birthday party.
6. Mr. Jones (go)………has gone…………….. to Australia. He is not in this country.
7. Last summer I (swim)………swam…………….. in the Red Sea.
8. I (remember)…………remembered………….. to close the door.
9. I (read)…………read………….. twenty novels last year.
10. I (never write)………have never written…………….. any poem.
11. How many lessons (you have)…………did you have………….. today?
12. He (understand)………understood…………….. everything at school.
13. He (live)………has lived…………….. here since 1989. I believe he will die here.
14. He (know)…………knew………….. all these words a year ago.
15. (you watch)………did you watch…………….. TV last night?
16. (you send)…………have you sent………….. the letter yet?
17. (you ever hear)………have you ever heard…………….. this kind of music?
18. (you be)…………have you been………….. to my office yet?
19. (on an airplane:)………i have never flown…………….. I (never flew)…………………….. anywhere before.+
20. (John ever visit)………has John ever visited…………….. Indonesia?
QKĐ or HTHT
1. Tom (just come)…………………….. . Do you want to talk to him?
2. This is the first time I (drive)…………………….. a BMW.
3. She (just finish)has just finished her homework. She can go out with friends.
4. My father (translate)translated two pages yesterday.
5. My brother (see)saw him last week at Jane’s birthday party.
6. Mr. Jones (go)goes to Australia. He is not in this country.
7. Last summer I (swim) swam in the Red Sea.
8. I (remember) remember to close the door.
9. I (read) read twenty novels last year.
10. I (never write) never write any poem.
11. How many lessons are (you have) you having today?
12. He (understand)understaned everything at school.
13. He (live) has lived here since 1989. I believe he will die here.
14. He (know) knew . all these words a year ago.
15. Did (you watch)you watch TV last night?
Chuc ban hoc tot
16. (you send)…………………….. the letter yet?
17. (you ever hear)…………………….. this kind of music?
18. (you be)…………………….. to my office yet?
19. (on an airplane:)…………………….. I (never flew)…………………….. anywhere before.+
20. (John ever visit)…………………….. Indonesia?
Bài 1: Chia động từ cho đúng
1. In all the world, there (be) ____ARE______ only 14 mountains that (reach) ___REACH_______above 8,000 meters.
2. He sometimes (come) ____COMES______ to see his parents.
3. When I (come) ______CAME____, she (leave) _____HAS LEFT_____for Dalat ten minutes ago.
4. My grandfather never (fly) _____HAS NEVER FLOWN_____ in an airplane, and he has no intention of ever doing so.
5. WeHAVEjust (decide) ___DECIDED_______ that we (undertake) _______WOULD UNDERTAKE_____ the job.
6. He told me that he (take) ____WOULD TAKE______ a trip to California the following week.
7. I knew that this road (be) _____WAS_____ too narrow.
8. Right now I (attend) ___AM ATTENDING_______ class. Yesterday at this time I (attend) ____WAS ATTENDING______class.
9. Tomorrow I'm going to leave for home. When I (arrive) __ARRIVED________at the airport, Mary (wait) ____WILL BE WAITING______ for me.
10. Margaret was born in 1950. By last year, she (live) ___HAD LIVED_______on this earth for 55 years.
1. In all the world, there (be) ____are ______ only 14 mountains that (reach) ___reach_______above 8,000 meters.
2. He sometimes (come) ______comes____ to see his parents.
3. When I (come) ____came______, she (leave) ____had left______for Dalat ten minutes ago.
4. My grandfather never (fly) ______flies____ in an airplane, and he has no intention of ever doing so.
5. We has just (decide) ____decided______ that we (undertake) _______had undertaken_____ the job.
6. He told me that he (take) ___would take_______ a trip to California the following week.
7. I knew that this road (be) ____was______ too narrow.
8. Right now I (attend) ____am attending______ class. Yesterday at this time I (attend) __was attended________class.
9. Tomorrow I'm going to leave for home. When I (arrive) _____will arrive_____at the airport, Mary (wait) _____will have been waiting_____ for me.
10. Margaret was born in 1950. By last year, she (live) ___had lived_______on this earth for 55 years.