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People have tired very hard to find a cure for this disease
=> A lot of effort has been made to find a cure for this disease
try hard = make (an) effort
Mr. Smith hasn't decided whether to move or not
=> Mr. Smith hasn't made up his mind whether to move or not
decide = make up one's mind
Collocation thôi
1. Dịch : Mọi người đã rất cố gắng để tìm ra cách chữa trị cho căn bệnh này
-> Rất nhiều nỗ lực đã được thực hiện ( bởi mọi người) để tìm ra cách chữa trị cho căn bệnh này.
* try very hard = make every effort = make a lot of effort
-> thay vào :
People have tried very hard to find a cure for this disease.
-> People have made a lot of effort to find a cure for this disease . ( Câu này là vẫn đang chủ động )
-> Bị động : A lot of effort has been made to find a cure for this disease.
2.
* decide = made up one's mind : quyết định
Phần chuyển sang bị động gần giống với câu 1 nha Van quang Ho

1. He did a lot of homework carefully
=>A lot of homework was done carefully.
2. Nobody has used this machine for months.
=>This machine has not been used for months.
3. They made the boys work long hours
=> The boys were made to work long hours.
4. They will pay designers a lot of money.
=>Designers will be paid a lot of money.
5. They use a computer to do that job nowadays.
=>A computer is used to do that job nowadays.
6. Tom rarely tums off the fan before leaving
=>His parents suggested the fan be turned off by Tom before leaving.
7. Weather conditions influence most people's lives
=>Most people's lives are influenced by weather conditions.
8. They used to do most of their farmwork by hand.
=>Most of their farmwork used to be done by hand.
\(Errink \times Cream\)

1. It's very kind of you to help me with this mess.
-> I appreciate..your helping me with this mess...
2. Mr. Pike can't swim, but he wants his son to learn how to swim.
-> Despite his..being unable to swim, he wants his son to learn how to swim...

1) Thousands of people have to build that castle for him for years
=> That castle................has to be built for him by thousands of people for years.................
2) She has never read this book before.
=> It is......................the first time she has read this book.....................
3) He failed in the examination last year
=> He did not.................pass in the examination last year....................
4)I haven't eaten this kind of food before
=> This is the first...............time I have eaten this kind of food...................
5) His parents made him study for his exam
=> He was made................to study for his exam by his parents.......................
6) I don't really want to go to the museum
=> I'd rather....................not go to the museum..........................
7) The fire has destroyed many houses
=> Many houses.................have been destroyed by the fire.................
8) May I borrow your pen?
=> Would you mind..............lending me your pen?.....................
9) I sarted work for the company a year ago
=> I've....................worked for the company for a year..................
10. She didn't say a word as she left the room
=> She left..................the room without say a word...................

rewrite the sentences so that it has the meaning as the first sentences
45. he started working for this company two years ago
=> He has been working for this company for two years.
=> He has worked for this company for two years.
46. i would like to have more time to study but i do not have
=> I wish I had more time to study.

1. His sister has sung karaoke since he went to school this morning
-> His sister began to sing karaoke since he went to school this morning.
2. The dog has barked at that strange man since he arrived here
-> The dog started to bark at that strange man since he arrived here.
3. I haven't taken any photograph for two years
-> It is two years since I took photograph.
4. He has been unemployed for three days
-> It's three days since he was unemployed.
5. Her aunt hasn't come to visit out grandmother since she go t married
-> The last time her aunt came to visit out grandmother was since she got married.
6. She has had the vacuum cleaner for a few years
-> It is a few years since she had the vacuum cleaner.
7. My uncle hasn't taught at that school for five years now
-> The last time my uncle taught at that school was five years ago.
8. We haven't been to the zoo for six months
-> It is six months since we went to the zoo.
9. We have waited for the bus for an hour
-> We started to wait for the bus one hour ago.
1. His sister has sung karaoke since he went to school this morning
-> His sister began singing karaoke when he went to school this morning
2. The dog has barked at that strange man since he arrived here
-> The dog started barking at that strange man when he arrived here
3. I haven't taken any photograph for two years
-> It is two years since i took photograph
4. He has been unemployed for three days
-> It's three days since he was unemployed
5. Her aunt hasn't come to visit out grandmother since she go married
-> The last time her aunt came to visit out grandmother was when she go married
6. She has had the vacuum cleaner for a few years
-> It is a few years since she had the vacuum cleaner
7. My uncle hasn't taught at that school for five years now
-> The last time my uncle taught at that school was five years ago
8. We haven't been to the zoo for six months
-> It is six months since we went to the zoo
9. We have waited for the bus for an hour
-> We started waiting for the bus an hour ago

I . Join the sentences . Use who , that , which , where or whose
1. Last month I went to Da Lat . My old friend is living there
-> ......Last month I went to Da Lat where my old friend is living .......
2. I read about the child . His life was sculd by his pet dog
-> ..... I read about the child whose life was sculd by his pet dog.......
3. Look at the girl . She is wearing a beautiful dress
-> ..... Look at the girl who is wearing a beautiful dress
4. That is the picture of his town . He grew up in that town
-> ....That is the picture of his town in which he grew up ....
5. Mr. Pike will be here soon . He will be able to help us
=> ...... Mr. Pike who will be able to help us will be here soon .....
6. The blue whale is considered the largest animal that has ever lived . It can grow to 100 feet and 150 tons
=> ......The blue whale which can grow to 100 feet and 150 tons is considered the largest animal that has ever lived
7. Linda has some tesle . Her health hasn't been good recently
=> ...... Linda whose health hasn't been good recently has some tesle ...........
8. The storm caused a lot of damage . No body had been expecting the storm
=> ...The storm which nobody had been expecting caused a lot of damage ........
1. This computer programmer has a lot of things to do. He cannot go out for lunch.
=> This computer programmer has so..many things to do that he cannot go out for lunch.
2. Mr. Pike has Arranger for his son to study abroad.
=> Mr. Pike has made.his son study abroad..