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Cách chuyển đổi câu giữa thì hiện tại hoàn thành và thì quá khứ đơn (lớp 6)
1,It is two months since we last was?
2,How long ago did you start/begin to write this book?
3,When did you start/begin learning how to drive a car?
4,When did Mr.Ba start/begin buying this flat?
5,It is the first time I have ever talked to headmaster
6,When did she start/begin writing an e-mail?
7,I've never worst film before
8,Is this me go to school late?
9,It is five months since he hasn't come back to his home village
10,The last time I have ever spoken to her
ks nhé!Học tốt!:))
1. We haven't been to this restaurant for two months.
=> It is two months since I last was to this restaurant.
2. When did you begin to write this book?
=> How long have you written this book?
3. How long have you learnt how to drive a car?
=> When did you start to learn how to drive a car?
4. How long is it since Mr Ba bought this flat?
=> When did Mr Ba start to buy this flat?
5. I've never talked to the headmaster before.
=> It's the first time I have ever talked to the headmaster.
6. How long is it since she wrote an e-mail?
=> When did she start to write an e-mail?
7. That's the worst film I've ever seen.
=>I've never seen such an bad film before.
8. Have you gone to school late before?
=> Is this the first time you have gone to school late?
9. He last came back to his home village five months ago.
=> It's five months since he last came back to his home village.
10. It's three years since I last spoke to her.
=>The last time I spoke to her is three years ago.

1. received 11. used to 21. started
2. between 12. of 22. themselves
3. reserved 13. How long 23. too - to
4. written 14. different from 24. traffic - jam
5. ought to 15. since 25. more
6. to take 16. How much does this parcel cost?
8. out 17. long black 27. organization
9. like 18. for 28. with along
10. between 19. improve 29. to stop playing
20. play 30. old enough to
Chúc bạn học tốt!

1,It's 3 years since I last talked to her on the phone .
-> I haven't ..talked to her on the phone for 3 years............
2, Minh began to collect stamps in 2000 .
-> Minh has collected stamps for 20 years.........
3,The last time she visited me was five months ago.
-> She hasn't .visitted me for five months.......
4, It's a long time since we last went to Australia .
-> We have .not gone to Australia for a long time.........
5, Is this the most fashionable shirt she has got ?
-> Has she .gotten the shirt more fashionable than this ? .......
6, How long is it since you made friend with Mary ?
-> When did you make friend with Mary ?..
7, How long is it they built this house ?
-> When .did they built this house.?...
8, I last saw them five months ago .
-> I have .not seen them for five months.....
9, I haven't eaten a pizza for a year .
-> The last time .I ate a pizza was a year ago..
10, I started to learn English three years ago .
-> It is .3 year since the l started lean English............

1) I.....DID....my Maths homework yesterday. (to do)
2).....DID....Susan....GO.....to England by plane? (to go)
3) They.....VISITED....a farm two weeks ago. (to visit)
4) Jenny and Peggy.....DIDN'T HELP....their brother. (not/to help)
5) The children....WEREN'T.....at home last weekend. (not/to be)
6) When.....DID....you....DESIGN.....this wonderful skirt? (to design)
7) My mother....DIDN'T CRASH.....into the van. (not/to crash)
8) The boys....TOOK OFF.....the mudguards of their bicycles. (to take off)
9).....DID....you....PHONE.....your aunt last week? (to phone)
10) He.....DIDN'T DRINK....milk at school. (not/to drink)
11) The police.....ARRESTED....two people early this morning. (to arrest)
12) She....WENT.....to Japan but now she.....HAS COME....back. (to go - to come)
13) Dan....HAS ALREADY BOUGHT.....two tablets this year. (already/to buy)
14) How many games....HAS YOUR TEAM WON.....so far this season? (your team/to win)
15).....DID YOU VISIT....the CN Tower when you.....STAYED....in Toronto? (you/to visit - to stay)
16).....HAVE YOU DONE....your homework yet? – Yes, I.....FINISHED....it an hour ago. (you/to do - to finish)
17) There.....HAS BEEN....an accident in High Street, so we have to use King Street to get to your school. (to be)
18) I.....HAVEN'T SEEN....Peter since I....ARRIVED.....last Tuesday. (not/to see - to arrive)
19) Frank.....GOT....his bike last May. So he....HAS HAD.....it for 4 months. (to get - to have)
20) I'm sorry, I.....HAVEN'T WRITTEN....earlier, but I.....HAVE WORKED....a lot lately. (not/to write - to work)
21) Peter.....PLAYED.... football yesterday.
22) They.....HAVE CLEANED.... the car. It looks new again.
23) Last year we.....WENT.... to Italy.
24) John and Peggy......HAVE READ... the book. Now they can watch the film.
25) I.....MET.... my friend two days ago.
26) We.....HAVE VISIT.... another country before.
27) She.....BOUGHT.... a new car in 2011.
28) I'm sorry, but I....HAVEN'T DONE..... my homework.
29)....DID YOU WIN..... the game of chess?
30) The girls.....HAVEN'T EATEN.... their lunch yet.
31) I.....HAVE LOST....my keys, so I can't open that door. (to lose)
32) Columbus.....ARRIVED....in the New World in 1492. (to arrive)
33) Nina.....HAS BROKEN....her leg. She is still in hospital. (to break)
34) He......HAS LIVED...here all his life. (to live)
35) Colin....LEFT.....for Brazil this morning. (to leave)
36) Last winter Robin.....STAYED....with his father in the Alps for three days. (to stay)
37) Ellen....HAS ALWAYS WRITTEN.....with her left hand. (always/to write)
38) She.....DID....a language course in Paris last summer. (to do)
39).....HAS....anyone.....PHONED....yet? (to phone)
40) I.....HAVEN'T SEEN....Paul today, but I....SAW.....him last Sunday.

Chia động tu:
1. He ( leave)left home two weeks ago and we (not hear)haven't heard from him since then.
2. Did You (speak)speak to Mrs. Bakers yesterday?
No, I (not see)haven't seen her for a long time.
I (not can)can't remember when I last (see)saw her.
3. When the teacher came in, the pupils (play)was playing games.
4. Columbus (discover ) discovered America more than 400 years ago.
5. By the next month, I (finish)will have finished my first novel.
6. When did your father (die)die?
I ( not know)..don't know. When he (die)died.
7.Bill said he (forget)had forgotten to buy a dictionary.
8. He felt asleep while he ( do) was doing his homework.
9. It ( rain)had been raining when we arrived.
10. Kite and I ( wait)will wait right here until you get back.
11. He'll leave as soon as he (hear)heard the news.
12. Sick (start)had been started school before he ( be) was seven.
13. How long have you ( study)studied in this school?
14. Where are you? I'm upstairs. I (have)am having a bath.
15. I (speak)will speak to you about that matter after the meeting tonight.
16. At this time next week, we ( live) will be living in USA.
17. Hurry up! The train ( come)is coming.
18. Be quiet! The teacher (be)is angry.
19. Why didn't you listen while I (speak)was speaking to you?
20. Some animals (not eat)don't eat during winter.
21. I (finish)will have finished the book before my next birthday.
22. Mr. Pike (live) has lived here since last October.
23. Someone (cut)have cut down all the trees in the garden.
24. Listen! The bird (sing)is singing
25. Trees (plant)have plant since it ( stop)stopped raining.
26. He often (say) says O.K when he (talk)talks with the guests.
27. What did you (do)do after you (go)went home yesterday?
28. How long have you (wait) been waiting for me? Just a few minutes.
29. He ( do)had done his homework before he went to the cinema.
30. By noon, I (wait) will have been waiting for her for two hours.
31. By the time you come there, she (make)will have made a big cake.
32. Yesterday thieves (break)broke into the house and ( steal)stole a lot of fur coats while the guests (dance)were dancing
33. When I came in , they all (sit) had been sat round the fire. Mr. Pike (do)was doing a crossword puzzle, Mrs. Pike (knit)was knitting , and the others (read) were reading
34. Mr. Jackson ( paint)has been painting his house since last month.
Ps: ac giúp em với ạ!

He tried[reach] to reach / reaching the shelf but he wasn't enough.
I asked them[be] to be quiet but they continued [make] making / to make a lot of noise.
It is important[think] to think carefully before[make] making a decision.
She is afraid of[go] going out in the evening.
Could you show me how[do] to do this exercise.
I din't know what[say] to say when I met him yesterday.
How about[spend] spending our holiday on the beach.
Marry has decided[go] to go to Vietnam this summer.
We are really interested in[visit] visiting Ha Long Bay.
The student stopped[talk] talking when the teacher came in.
He stopped the car[buy] to buy some things.
This machine is used[print] to print the papers.
He [be] was here in about 5 minutes.
Lan promises she[not get] will not get good marks.
Car tires can[recycle] be recycled to make pipes and floor coverings.
Theglass[break] broke up and[make] made into new glassware.
She is pleased that her mother[feel] feels better.
This is the first time my mother[be] has been to hanoi.
We have never[see] seen rice paddies before.
Rice and corn[grow] are grown in Vietnam.
The child[sit] sitting near the tree is my brother.
The novel[write] written by Mr Quang is interesting.
The house[paint] has been painted 10 years.
At this time yesterday I [study] was studying in the library.
The machine[make] made in Japan is good.
They[run] ran home while It [rain] was raining at 5p.m yesterday.
When Nam [come] came I[sleep] was sleeping at 9 yesterday.
What were you[do] doing at this time yesterday.
Have you [tidy] tidied the bedroom yet ?
I [already write] already wrote the lesson
That street [not repair] has not been repaired yet
I[not see] have not seen her since I[come] came here
This book[write] was written by Shakespear.
Christmas songs[perform] are performed for people in towns.
Look.The cupboard is open and everything[jumble] is jumbling
How long have you [learn] learned English.For 4 years.
What [happen] was happening when you [come] came home.
How long have you[like] lived here.
Andy[do] was doing her homework when her friends came.
The white house will[build] be built in this area next year.
While I[work] was working on the computer,the earthquake happend
John [wash] was washing the clothes in the bathroom at four o'clock last night.
Would you mind[give] giving me the book from the shelf.
He tried[reach] to reach the shelf but he wasn't enough.
I asked them[be] to be quiet but they continued [make] making a lot of noise.
It is important[think] to think carefully before[make] making a decision.
She is afraid of[go] going out in the evening.
Could you show me how[do] to do this exercise.
I din't know what he [say] said when I met him yesterday.
How about[spend] spending our holiday on the beach.
Marry has decided[go] to go to Vietnam this summer.
We are really interested in[visit] visiting Ha Long Bay.
The student stopped[talk] talking when the teacher came in.
He stopped the car[buy] to buy some things.
This machine is used[print] to printing the papers.
He [be] will be here in about 5 minutes.
Lan promises she[not get] not to get good marks.
Car tires can[recycle] be recycled to make pipes and floor coverings.
The glass[break] is broken up and [make] made into new glassware.

1.These shoes still need repairing.\
These shoes haven't been repaired yet
2. How long is it since you last saw Mary?
When was the last time you saw Mary ?
3, I was silly to say that.
I wish I had not said that
4. I have never had a cake as good as this.
This is the best cake I've ever had
5. This ís the last time I will speak to you
I will not speak to you anymore
6. Both Mary and Peter prefer coffe to tea.
Neither Mary nor Peter prefers coffee to tea
7. This is the first time I have ever been in London .
I have never been in London before
8, I have never visited this museum before,
This is first time I have ever visited this museum
9. He turned off the computer first, and then he left.
After he had turned off the computer , he left
10. Jane does not often see Mary.
Jane seldom sees Mary
11. Susan last visited her parents at the end of last May.
Susan has not visited her parents since the end of last May
12. The last time i had a dental appointment was six months ago.
It has been six months since I had a dental appointment
13. They moved to London in 2009
They have lived in London since 2009
14. You drove so fast.
I wish you to drive more slowly
15. This pasta is a new experience for me .
It is the first time I have ever experienced this pasta
17. How long has it been since you left your village?
When did you leave your village ?
18. My son has beenw working as an accountant for two years.
My son began to work as an accountant two years ago
19. How long have you worked on that program?
When did you begin to work on that program ?
20. Tom has arranged to play badminton with me tomorrow.
Tom and I are planning to play badminton tomorrow
21. I happened to meet Peter on the way to work yesterday.
I unexpectedly met Peter on the way to work yesterday
2. How long is it since you last saw Mary?
When...did you see Mary?..
3, I was silly to say that.
I wish..I hadn't been silly to say that.....
4. I have never had a cake as good as this.
This is the best cake....I have had....
5. This ís the last time I will speak to you
I will not......speak to you after......
6. Both Mary and Peter prefer coffe to tea.
Neither Mary nor Peter..prefer tea to coffee..
7. This is the first time I have ever been in London .
I have never,..been in London before......
8, I have never visited this museum before,
This is the first time.......I have visited this museum.....
9. He turned off the computer first, and then he left.
After he .......he had turned off the computer first, he left...........
10. Jane does not often see Mary.
Jane seldom...sees Mary....
11. Susan last visited her parents at the end of last May.
Susan has not....visited her parents since the end of last May.....
12. The last time i had a denatl appointment was sĩ months ago.
It has been ....six months since I had a denatl appointment......
13. They moved to London in 2009
They have...moved to London since 2009..
14. You drove so fast.
I wish...you hadn't drive so fast....
17. How long has it been since you left your village?
When ....did you leave your village?.....
18. My son has beenw working as an accountant for two years.
My son began.......working as an accountant two years ago......
19. How long have you worked on that program?
When .....
20. Tom has arranged to play badminton with me tomorrow.
Tom and I........
21. I happened to meet Peter on the way to work yesterday.
I unexpectedly......
22. Hardly a day góe by without my calling to Peter.
I ....
23. We did not understand that custom until Peter explained it to us.
It was not..........

Exercise 4: Change to past simple
1, Children have broken the window for 10 minutes.
=> The window has been broken by children for 10 minutes.
2, She has brought her dog to the meeting.
=> Her dog has been bought to the meeting.
3, We have built this house since 1970.
=> This house has been built since 1970.
4, Tom has bought a car for a long time.
=> Tom's car has been bought for a long time.
6, Students have did their homework.
=> Students' homework was done.
7, She has drawn a nice picture.
=> A nice picture has been drawn by her.
8, You have drunk a lot of coca.
=> A lot of coca has been drunk by you.
9, The princess has lost her shoe.
=> The princess's shoe have been lost.
10, They have seen this film when they were 15.
=> This film has been seen when they were 15.
I __________ as a secretary since 1980.
A.Work
B.Have worked
She __________ her homework yesterday evening.
A.Finished
B.Has finished
We __________ to each other for three days.
A.Didn’t talk
B.Haven’t talked
Harry __________ from Scotland.
A.Comes
B.Has come
How long __________ it __________ to travel from here to Hanoi?
A.Has/taken
B.Does/take
They __________ providing us food and clothes two weeks ago.
A.Stopped
B.Have stopped
He __________ a boat before.
A.Didn’t sail
B.Hasn’t sailed
How long __________ you __________ in Kuala Lumpur?
A.Do/live
B.Have/lived
This is the second time I have __________ Hawaii.
A.Been to
B.Gone to
Can I speak to Lisa? I’m sorry, she has __________ to China.
A.Been to
B.Gone to
1-b
2-a
3-b
4-b
5-b
6-a
7-b
8-b
9-a
10-b