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1. She couldn't come to class because of her illness
-> As she was ill, she couldn't come to class
2. She needs to study harder
-> She doesn't study hard
3. Honda is a company which make a lot of cars
-> Honda is a company. It makes a lot of cars
4. It is common knowledge that he has been in prison several times
-> He is known to have been in prison several times
1, She couldn't come to clas because of her illness.
\(\Rightarrow\) As she was ill , she couldn't come to class .
2, She needs to study harder .
\(\Rightarrow\) She doesn't study hard enough .
3, Honda is a company which makes a lot of cars.
\(\Rightarrow\) Honda is a company . It makes a lot of cars .
4, It is common knowledge that he has been in prison several timé .
\(\Rightarrow\) He is known to have been in prison several times .

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,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............

Past simple => Present perfect
1/ The students began doing this test an hour
=>The students have done this test for an hour
2/Lan started working in that factory two years ago
=>Lan has workedin that factory for two years
3/She began studying english 3 yaers ago
=>She has studied english for 3 yaers
4/Tom began to collect stamps in 2004
=>Tom has collected stamps since 2004
5/She began to study english 3 years ago
=>She has studied english for 3 years
6/Nam started working for that company four years ago
=>Nam has worked for that company for four years
7/ It started raining an hour ago
=>It has rained for an hour
8/Lan began learning chinese in 2006
=>Lan has learnt chinese since 2006
9/Minh started to swim fuve years ago
=>Minh has swum for fuve years
10/He began writing the report at 4 o'clock
=>He has written the report since 4 o'clock

Viết lại câu:
1. Someone must have added too much salt to the soup.
--> The soup tasted.as though someone added.. too much salt ( though )
2. He seems to have put on weight since I last saw him.
--> He looks.as if he has put.. on weight since I last saw him ( if )
3. She had a feeling that she had been in that house before.
--> She felt.as if she had been.. in that house before ( if )
4. I installed the computer as he had instructed me.
--> I installed the computer.the way he had.. instructed me ( way )
5. He isn't a rock star but he behaves like one.
--> He behaves.as though he is.. a rock star ( though )
6. She seemed to need a rest.
--> She looked.as if she needed.. a rest ( if )

Viết lại câu:
1. Someone must have added too much salt to the soup.
--> The soup tasted..good though someone had added. too much salt ( though )
2. He seems to have put on weight since I last saw him.
--> He looks..as if he has put. on weight since I last saw him ( if )
3. She had a feeling that she had been in that house before.
--> She felt..as if she had been . in that house before ( if )
4. I installed the computer as he had instructed me.
--> I installed the computer..as the way he. instructed me ( way )
5. He isn't a rock star but he behaves like one.
--> He behaves..like one though he isn't a rock star ( though )
6. She seemed to need a rest.
--> She looked..as if she needed. a rest ( if )

1. I thought she bore a strong resemblance to her grandmother (REMINDED)
=> She......... reminded me of her grandmother..........
2. Sarah wore dark glasses so that no one would recoginize her (AVOID)
=> Sarah...wore dark glasses to avoid being recognized..
3. She intended to find out who is responsible for the accident. (INTENTION)
=> She....has an intention of finding out who is responsible for the accident.....
4. I haven't decided yet whether to move or not. (MIND)
=> I haven't..made up my mind whether to go out or not yet....
5. I don't normally go into town by car. (USED)
=> I...am not used to going into town by car..
6. She started working as a secretary five years ago. (BEEN)
=> She has...been a secretary for five years...
7. You might fall if you're not careful. (OR)
=> Be careful ....or You might fall ...
8. "I've seen the films three times, Mary" said George. (TOLD)
=> George...told mary he had seen the films three times...
9. When i get home, I'm going to have a shower straight away. (SOON)
=> I'm going to..have a shower straight away as soon as i get home...
Nguyễn Nhật Minh bài tập bồi dưỡng nhiều lắm cơ mà sao còn ở đây kím tiền :???

- This is the best computer I have ever used. => I have never used the bette computer than this before.
- He has not chatted with his classmate through the internet for ages. => It'd age since he last chatted with his classmate through the internet.
- Trung's parents gave him a microcomputer on his birthday. => Trung was given a microcomputer on his birthday.
- He has never played a computer game before. => This is the first time he has played a computer game.
- We haven't seen her since we left university. => The last time we saw her was when left university.
- She started living here in 1980. => She has has lived here since 1980.
- "It's your house far from the school?" I asked her. => I asked whether her house was far from the school.
- "There room are cleaned everyday by my sister" said the boy. => The boy said that these room were cleaned everyday by his siter.
- "You have to take at least two bottles of water." Tam's father said => Tam's father said that she had to take at least two bottles of water.
- People sell English books in that shop. => English books are sold in that shop.
- They asked me some difficult questions at the interview. => I was asked some difficult questions at the interview.
- People completed Sydney Opera House in 1973. => Sydney Opera House was completed in 1973.
- Peolpe didn't organize this festival some years ago.
- How do people cook this kind of good? => How is this kind of food cooked?
- Have you tidred the kitchen? => Has the kitchen been tidied by you?
It's when she graduated university that she started working as a secretary in that company.