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24 tháng 8 2019

Change into the passive voice

1.You must leave your bedroom tidy

->your bedroom must be left tidy

2.You should water this plant daily

->this plant should be watered daily

3. Our school organizes a short story competition every year

->a short story competition is organized by our school every year

4. Thomas Edison invented the electriclight bulb in 1879

->the electric light bulb was invented by Thomas Edison in 1879

5. They produced many films in Hollywood

->Many films were produced in Hollywood

6. The music producer chooses the song for the music video

->the song is chosen for the music video by the music producer

7. A director directs the music video

->the music video is directed by a director

8. A cameraman shoots the video

->the video is shooted by a cameraman

24 tháng 8 2019

Change into the passive voice

1.You must leave your bedroom tidy

-> Your bedroom must be left tidy

2.You should water this plant daily

-> This plant should be watered daily

3. Our school organizes a short story competition every year

-> A short story competition is organized by our school every year

4. Thomas Edison invented the electric light bulb in 1879

-> The electric light bulb was invented by Thomas Edison in 1979

5. They produced many films in Hollywood

-> Many films were produced in Hollywood

6. The music producer chooses the song for the music video

-> The song for the music video is produced by the music producer

7. A director directs the music video

-> The music video is direted by a director

8. A cameraman shoots the video

-> The video is shot by a cameraman

VI. Change into the passive voice 1. You must hand in your compositions before Friday. => ............................................................................................................... 2. You should send for the doctor immediately. => ............................................................................................................... 3. They might postpone the excursion until Saturday. =>...
Đọc tiếp

VI. Change into the passive voice

1. You must hand in your compositions before Friday.

=> ...............................................................................................................

2. You should send for the doctor immediately.

=> ...............................................................................................................

3. They might postpone the excursion until Saturday.

=> ...............................................................................................................

4. They are going to announce the exam results tomorrow.

=> ...............................................................................................................

5. They should widen the road at this point.

=> ...............................................................................................................

6. An expert should check these machines regularly.

=> ...............................................................................................................

7. We’ll have to repair the roof before the rainy season comes.

=> ...............................................................................................................

8. They ought to white – wash the building for the celebration.

=> ...............................................................................................................

9. You must attach a birth certificate to the application.

=> ...............................................................................................................

10. You should inform the school of your change of address.

=> ...............................................................................................................

11. This boy broke my window yesterday.

=> ...............................................................................................................

12. People plant rice in those fields.

=> ...............................................................................................................

13. They have known him well

=> ...............................................................................................................

14. They shouldn’t cut the flowers in this garden

=> ...............................................................................................................

1
8 tháng 12 2018

VI. Change into the passive voice

1. You must hand in your compositions before Friday.

=> .......Your compositions must be handed in before Friday.......

2. You should send for the doctor immediately.

=> .......The doctor should be sent for immediately .........

3. They might postpone the excursion until Saturday.

=> .......The excursion might be postponed until Saturday .........

4. They are going to announce the exam results tomorrow.

=> ......The exam results are going to be announced tommorrow........

5. They should widen the road at this point.

=> .......The road at this point should be widened .....

6. An expert should check these machines regularly.

=> ..........These machines should be checked regularly by an expert .........

7. We’ll have to repair the roof before the rainy season comes.

=> ..........The roof will have to be repaired before the rainy season comes ........

8. They ought to white – wash the building for the celebration.

=> .......The building ought to be white-washed for the celebration ......

9. You must attach a birth certificate to the application.

=> ......A bith certificate to the application must be attched.........

10. You should inform the school of your change of address.

=> ......The school of your change of address should be informed.......

11. This boy broke my window yesterday.

=> .....My window was broken by this boy yesterday......

12. People plant rice in those fields.

=> ........Rice is planted in those fields by people. .......

13. They have known him well

=> ..........He has been known well .......

14. They shouldn’t cut the flowers in this garden

=> ......The flowers in this garden shouldn't be cut ........

Rewrite the sentences beginning witht the words provided :1. The manager always welcomes new employees.=> New employees _________________________2. Janet's colleagues gave her a present when she retired.=> Janet ______________________________________3. Thomas Edison invented the phonograph in 1877=> The phonograph _________________________4. Stephen Court has just invented an armchair which can play music.=> An armchair _________________________________________5. Where will your company send...
Đọc tiếp

Rewrite the sentences beginning witht the words provided :

1. The manager always welcomes new employees.

=> New employees _________________________

2. Janet's colleagues gave her a present when she retired.

=> Janet ______________________________________

3. Thomas Edison invented the phonograph in 1877

=> The phonograph _________________________

4. Stephen Court has just invented an armchair which can play music.

=> An armchair _________________________________________

5. Where will your company send you next year?

=> Where will you _______________________

6. During the recession, the firm was making people redundant almost every week.

=> During the recession, people _______________________________________

7. Had a special messenger delivered the package before you got to the office?

=> Had the package _____________________________________________

8. The students usually hold the concerts at the university.

=> The concerts ________________________________

9. The scientists are studying the problem carefully.

=> The problem __________________________

10. The police found two children in the forest.

=> Two children _______________________

2
14 tháng 9 2016

1. The manager always welcomes new employees.

=> New employees are always welcomed by the manager

2. Janet's colleagues gave her a present when she retired.

=> Janet was given a present by her colleagues when she retired.

3. Thomas Edison invented the phonograph in 1877

=> The phonograph was invented by Thomas Edison in 1872.

4. Stephen Court has just invented an armchair which can play music.

=> An armchair which can play music has just been invented by Stephen Court.

5. Where will your company send you next year?

=> Where will you be sent by your company next year?

6. During the recession, the firm was making people redundant almost every week.

=> During the recession, people was being made redundant by the film almost every week.

7. Had a special messenger delivered the package before you got to the office?

=> Had the package been delivered by a special messenger before you got to the office? 

8. The students usually hold the concerts at the university.

=> The concerts are usually held at the university by the students.

9. The scientists are studying the problem carefully.

=> The problem is being carefully studied by the scientists.

10. The police found two children in the forest.

=> Two children were found in the forest by the police.

16 tháng 9 2016

Rewrite the sentences beginning witht the words provided :

1. The manager always welcomes new employees.

=> New employees are always welcomed by the manager

2. Janet's colleagues gave her a present when she retired.

=> Janet was given a present by her colleagues when she retired

3. Thomas Edison invented the photograph in 1877

=> The photograph was invented by Thomas Edison in 1877

4. Stephen Court has just invented an armchair which can play music.

=> An armchair  which can play music has just been invented by Stephen Court

5. Where will your company send you next year?

=> Where will you be sent by your company next year?

6. During the recession, the firm was making people redundant almost every week.

=> During the recession, people was being made redundant by the firm almost every week

7. Had a special messenger delivered the package before you got to the office?

=> Had the package been delivered by a special messenger before you got to the office?

8. The students usually hold the concerts at the university.

=> The concerts are usually hold at the university by the students

9. The scientists are studying the problem carefully.

=> The problem are being carefully studied by the scientists

10. The police found two children in the forest.

=> Two children were found in the forest by the police

30 tháng 7 2017

III/ change into passive form

1. They have repair this road since last year

-> this road has been repaired since last year

2. Many students wore jeans in 1960s

-> jeans were worn by Many students in 1960s

3. People call Chicago "the windy city "

-> Chicago is called "the windy city "

4. They told me to look after the graden

-> i was told to look after the garden

5. We found the lost boy near the airport

-> the lost boy was found near the airport

6. They're going to build a new school here

-> a new school is going to be built here

7. We should save water and electricity

-> water and electricity should be saved

8. We saw her son over there 20 minutes ago

-> her son was seen over there 20 minutes ago

9. You must do this test carefully

-> this test must be done carefully

10. We have to imporve all the schools in this city

-> all the schools in this city have to be improved

12. They will change the name of this shop

-> the name of this shop will be changed

13. We can see the building from 100km away

-> the building can be seen from 100km away

14. They took a lot of photos on their trip

-> a lot of photos were taken on their trip

20 tháng 8 2017

V/ change these active sentence l into passive ones

1. They built church in the 18th century

-> this church was built in the 18th century

2. They awarded the first prize to Ban Co team

-> the first prize was awarded to Ban Co team

3. Clarke Moore wrote this poem in 1823

-> this poem was written by Clarke Moore in 1823

4. They hold the festival once every four years

-> the festival is held once every four years

5. I will invite some friends to the party

-> sone of my old friends will be invited to the party

6. We took a lot of photos on our way to Dalat

-> a lot of photos were taken on our way to Dalat

7. They water the flowers every morning

-> the flowers are watered every morning

8. Vietnam export rice to many countries

-> rice is exported to many countries by Vietnam

9. Mrs. Smith will pick you up at 4 pm

-> you. will be picked up by Mrs. Smith at 4 pm

10. They held the festival in this park

-> the festival was held in this park

I. Rewrite the second sentences so that they have the same meaning to the first one. 1. He has lived in Hanoi sice he was 12 --> He started............................................................. 2. I havenot seen her for a long time. --> .......................................................... 3. How long heve learnt French? --> How long ......................................... 4. When did you start to listen to classical music --> How...
Đọc tiếp

I. Rewrite the second sentences so that they have the same meaning to the first one.

1. He has lived in Hanoi sice he was 12

--> He started.............................................................

2. I havenot seen her for a long time.

--> ..........................................................

3. How long heve learnt French?

--> How long .........................................

4. When did you start to listen to classical music

--> How long.......................................................

5. I last saw her 10 years ago

--> I havenot ...........................................................

6. How long have you bought this car ?

--> When did .................................................................

7. She started teaching the children in this remote village 5 months ago.

--> I have...............................................................

8. I began living in this HCMC when I was 8

--> I have..........................................................................

9. We started cooking for the party four hours ago.

--> We have.........................................................................

10. We began studying English when we were at primary school.

--> We have...................................................................

II Change into Passive Voice.

1. My father waters this flower every morning.

-->.................................................................

2. John invited Fiona to his birthday party last night.

--> ..............................................................

3. Her mother is preparing the dinner in the kitchen.

-->

4. Some drunk drivers caused the accident in this city.

-->

4
8 tháng 10 2017

I. Rewrite the second sentences so that they have the same meaning to the first one.

1. He has lived in Hanoi since he was 12

--> He started living Hanoi when he was 12

2. I have not seen her for a long time.

--> It’s a long time since I last saw her.

3. How long have you learnt French?

--> How long have you been learning French?

4.. When did you start to listen to classical music

--> How long have you started listening to classical music?

5. I last saw her 10 years ago

--> I have not seen her for 10 years.

6. How long have you bought this car ?

--> When did you buy this car ?

7. She started teaching the children in this remote village 5 months ago.

--> She has been teaching the children in this remote village for 5 months

8. I began living in this HCMC when I was 8

--> I have been living in this HCMC since I was 8

9. We started cooking for the party four hours ago.

--> We have been cooking for the party for four hours.

10. We began studying English when we were at primary school.

--> We have been studying English since we were at primary school.

II Change into Passive Voice.

1. My father waters this flower every morning.

--> this flower is watered every morning

2. John invited Fiona to his birthday party last night.

--> Fiona was invited to John’s birthday party last night by him

3. Her mother is preparing the dinner in the kitchen.

-> the dinner is being prepared in the kitchen

4. Some drunk drivers caused the accident in this city.

--> the accidents are caused in this city by some drunk drivers

8 tháng 10 2017

I. Rewrite the second sentences so that they have the same meaning to the first one.

1. He has lived in Hanoi sice he was 12

--> He started living in hanoi when he was 12

2. I havenot seen her for a long time.

-->i didn't see her a long time ago

3. How long heve learnt French?

--> How long ago did you start to learn french?

4. When did you start to listen to classical music

--> How long have you listened to classical music?

5. I last saw her 10 years ago

--> I havenot seen her for 10 years

6. How long have you bought this car ?

--> When did you bought this car?

7. She started teaching the children in this remote village 5 months ago.

--> I have taught the children in this remote village for5 months

8. I began living in this HCMC when I was 8

--> I have lived in HCMC since i was 8

9. We started cooking for the party four hours ago.

--> We have cooked for the party for 4 hours

10. We began studying English when we were at primary school.

--> We have studied English since we were at primary school

II Change into Passive Voice.

1. My father waters this flower every morning.

-->this flower is watered by my father every mornig

2. John invited Fiona to his birthday party last night.

--> fiona was invited to john's birthday party last night

3. Her mother is preparing the dinner in the kitchen.

-->the dinner is being prepared by her mother in the kitchen

4. Some drunk drivers caused the accident in this city.

-->The accident in this city was caused by some drunk drivers

28 tháng 7 2017

III/ change into passive form

1. They will send things for recycling

-> these things...will be sent for recycling..

2. People speak english in many countries

-> english..is spoken in many countries.

3. We should save natural resources

-> natural resources..should be saved.

4. They checked all the water pipes this morning

-> all the water pipes..were checked this morning.

5. They have used solar energy for centuries

-> solar energy..has been used for centuries.

6. We will make this beach a clean and beatiful place again

-> this beach..will be made to be clean and beautiful again.

7. We took the victims to a nearest hospital

-> the victims..were taken to the nearest hospital..

8. They are going to install three air-conditioners in this room

-> three air-conditioners are going to be installed in this room...

9. They built the church in the 18th century

-> the church.was built in the 18th century..

10. I will translate the instructions into Vietnamese

-> the instructions.will be translated into vietnamese..

16 tháng 8 2017

Bài 1: change the active into the passive

1. The board awarded the first prize to the reporter

=> The first prize was awarded to the reporter by the board.

2. Have you sent the christmas cards to your family?
=> Have the christmas cards been sent to your family by you?

3. He hides the broken cup in the drawer

=> The broken cup is hidden by him in the drawer.

4. They keep this room tidy all the time

=> His room is kept tidy all the time.

5. They all voted the party a great succes

=> The party was voted a great success.

16 tháng 8 2017

Bài 1: change the active into the passive

1. The board awarded the first prize to the reporter

=>..........................................The first prize was awarded to the reporter by the board........................................

2. Have you sent the christmas cards to your family?
=>....................................Have the Christmas cards been sent to your family?..........................................

3. He hides the broken cup in the drawer

=>........................The broken cup is hidden in the drawer by him...............................

4. They keep this room tidy all the time

=>............................This room is kept tidy all the time...............................

5. They all voted the party a great succes

=>...........................The party was voted a great success by them.............................

Change into passive 1. They will hold the meeting before May Day. ------->The meeting ............ 2. Somebody has taken some of my books away --------> Some of my book ............. 3. They have to repair the engine of the car. -------> The engine of the car ........... 4. They may use this room for the classroom. ---------->This room ............... 5. The teacher is going to tell a story. ------------A story ........... 6. John used to visit his parents at...
Đọc tiếp

Change into passive

1. They will hold the meeting before May Day.

------->The meeting ............

2. Somebody has taken some of my books away

--------> Some of my book .............

3. They have to repair the engine of the car.

-------> The engine of the car ...........

4. They may use this room for the classroom.

---------->This room ...............

5. The teacher is going to tell a story.

------------A story ...........

6. John used to visit his parents at weekends.

----------> His parents ............

7. They use milk for making butter and cheese.

-------->Milk clothing. ............

8. They have provided the victims with food and clothing

-----> The victims ............

9 . People speak English in most every corner of the world .

------>. English ............

10. The students are writing the lesons now .

------> The lesson

11. Her teacher taught her how to apply this theory

------>She ..............

12. Someone will tell him that news.

------> he ..........

EXERCISE: Complete the sentences with "for" or "since":

1. We haven't heard from them _________ ages

2. They waited for you _________ two days

3. They haven't met him _________ he left the room

4. We have bought the new car ________ 1999

5. Haven't you seen him ____________ Christmas?

6. It was not rained __________ May

7. I haven't written to him ________ five months.

8. She has spoken to them _______ this morning

9. We have listened to music ________ 8a.m

10. The house been built __________ last year

EXERCISE: Use simple past or present perfect to complete the following sentences:

1. Her English ( improve) ___________ recently

2. How many pages _________ you (read) _________ so far?

3. We (finish)________ our homework two hour ago

4. __________ you(be)__________ to Rome?

5. I (see)____________ him several times on TV

6. What _______you (do)__________ last night?

7. This is the first time I (visit)______ the city

8. They (buy)__________ the garden some days ago.

9. I (learn)________ English since I (be)__________ 11 years old

10. Be careful! I (just clean)________ the floor

11. The meal (already be)_______ ready

12. I ( never read)________ an interesting story like this before

EXERCISE : Rewrite the following sentences with the words given

l. Minh last wrote to his pen al five months ago

-> Minh hasn't

2. The last time we visited Kuala Lumpur was 3 years ago

-> I haven't

3. When did you study English?

-> How long

4. They began building this house 2 months ago

->They have

5. My father started to work in this factory last week

-> My father has

6. How long has he worked in the garden?

->When

7. How long ago did you learn music?

-> How long have

8. He started living in Ho Chi Minh city when he was 8

-> He has

9. He learnt English when he was 18

-> He has...

10. They have worked in that factory for five years

-> They began

ll. My father stopped smoking two years ago

-> My father hasn't

12. We have learnt English for four years.

-> We started.

13 My father started to give up smoking last year

-> My father has

14. They have worked in that factory since 2001

-> They started.

15. Lan hasn't written to Maryam for a month.

-> Lan didn't.....

16. He has lived in Ha Noi since he was 12.

-> He started.

17. I haven't met her for a long time.

-> I didn't.

18. How long have you leamt French ?

-> How long ago

19. How long have you bought this car -> When did

20. When did you start to listen to classical music ?

->How long

21. I saw her 10 years ago.

-> I haven't

3
7 tháng 6 2018

Change into passive

1. They will hold the meeting before May Day.

------->The meeting ......will be held before May Day......

2. Somebody has taken some of my books away

--------> Some of my books have been taken by somebody............

3. They have to repair the engine of the car.

-------> The engine of the car ....HAS TO BE REPAIRED.......

4. They may use this room for the classroom.

---------->This room .......MAY BE USED FOR THE CLASSROOM........

5. The teacher is going to tell a story.

------------A story IS GOING TO BE TOLD BY THE TEACHER...........

6. John used to visit his parents at weekends.

----------> His parents ....USED TO BE VISITED BY JOHN AT WEEKENDS.........

7. They use milk for making butter and cheese.

-------->Milk clothing. ..IS USED FOR MAKING BUTTER AND CHEESE..........

8. They have provided the victims with food and clothing

-----> The victims ......HAVE BEEN PROVIDED WITH FOOD AND CLOTHING......

9 . People speak English in most every corner of the world .

------>. English ...IS SPOKEN IN MOST EVERY CORNER OF THE WORLD.........

10. The students are writing the lesons now .

------> The lesson IS BEING WRITTEN BY THE STUDENTS NOW.

11. Her teacher taught her how to apply this theory

------>She .WAS TAUGHT HOW TO APPLY THIS THEORY BY HER TEACHER.............

12. Someone will tell him that news.

------> he ......WILL BE TOLD THAT NEWS BY SOMEONE....

EXERCISE: Complete the sentences with "for" or "since":

1. We haven't heard from them ___FOR______ ages

2. They waited for you _____FOR____ two days

3. They haven't met him ____SINCE_____ he left the room

4. We have bought the new car ___SINCE_____ 1999

5. Haven't you seen him _____SINCE_______ Christmas?

6. It was not rained ____SINCE______ May

7. I haven't written to him _______FOR_ five months.

8. She has spoken to them _____SINCE__ this morning

9. We have listened to music __SINCE______ 8a.m

10. The house been built _____SINCE_____ last year

EXERCISE: Use simple past or present perfect to complete the following sentences:

1. Her English ( improve) ______HAS IMPROVED_____ recently

2. How many pages _____HAVE YOU READ____ you (read) _________ so far?

3. We (finish)____FINISHED____ our homework two hour ago

4. __________ you(be)__________ to Rome? HAVE YOU BEEN

5. I (see)____________ him several times on TV HAVE SEEN

6. What _______you (do)__________ last night? DID YOU DO

7. This is the first time I (visit)______ the city HAVE VISITED

8. They (buy)__________ the garden some days ago. BOUGHT

9. I (learn)________ English since I (be)__________ 11 years old HAVE LEARNT/ WAS

10. Be careful! I (just clean)________ the floor HAVE JUST CLEANED

11. The meal (already be)___HAS ALREADY BEEN____ ready

12. I ( never read)________ an interesting story like this before HAVE NEVER READ

EXERCISE : Rewrite the following sentences with the words given

l. Minh last wrote to his pen al five months ago

-> Minh hasn't WRITTEN TO HIS PENPAL FOR 5 MONTHS.

2. The last time we visited Kuala Lumpur was 3 years ago

-> I haven't VISITED KUALA LUMPUR FOR 3 YEARS.

3. When did you study English?

-> How long HAVE YOU STUDIED ENGLISH ?

4. They began building this house 2 months ago

->They have BUILT THIS HOUSE FOR 2 MONTHS.

5. My father started to work in this factory last week

-> My father has WORKED IN THIS FACTORY SINCE LAST WEEK.

6. How long has he worked in the garden?

->When DID HE BEGIN TO WORK IN THE GARDEN ?

7. How long ago did you learn music?

-> How long have YOU LEARNT MUSIC ?

8. He started living in Ho Chi Minh city when he was 8

-> He has LIVED IN HCM CITY SINCE HE WAS 8.

9. He learnt English when he was 18

-> He has..LEARNT ENGLISH SINCE HE WAS 18.

10. They have worked in that factory for five years

-> They began WORKING IN THAT FACTORY 5 YEARS AGO.

ll. My father stopped smoking two years ago

-> My father hasn't SMOKED FOR 2 YEARS.

12. We have learnt English for four years.

-> We started. LEARNING ENGLISH 4 YEARS AGO.

13 My father started to give up smoking last year

-> My father has GIVEN UP SMOKING SINCE LAST YEAR.

14. They have worked in that factory since 2001

-> They started. WORKING IN THAT FACTORY IN 2001.

15. Lan hasn't written to Maryam for a month.

-> Lan didn't...WRITE TO MARYAM A MONTH AGO...

16. He has lived in Ha Noi since he was 12.

-> He started. LIVING IN HA NOI WHEN HE WAS 12.

17. I haven't met her for a long time.

-> I didn't. MEET HER A LONG TIME AGO.

18. How long have you leamt French ?

-> How long ago DID YOU LEARN FRENCH ?

19. How long have you bought this car -> When did YOU BUY THIS CAR ?

20. When did you start to listen to classical music ?

->How long HAVE YOU LISTENED TO CLASSICAL MUSIC ?

21. I saw her 10 years ago.

-> I haven't SEEN HER FOR 10 YEARS.

7 tháng 6 2018

EXERCISE : Rewrite the following sentences with the words given

l. Minh last wrote to his pen al five months ago

-> Minh hasn't written to his pen pal for five months

2. The last time we visited Kuala Lumpur was 3 years ago

-> I haven't visited Kuala Lumpur for 3 years

3. When did you study English?

-> How long have you studied English

4. They began building this house 2 months ago

->They have built this house for 2 months

5. My father started to work in this factory last week

-> My father has worked in this factory since last week

6. How long has he worked in the garden?

->When did he work in the garden?

7. How long ago did you learn music?

-> How long have you learnt music ?

8. He started living in Ho Chi Minh city when he was 8

-> He has lived in Ho Chi Minh City since he was 8

9. He learnt English when he was 18

-> He has...learnt English since he was 18

10. They have worked in that factory for five years

-> They began to smoke in that factory five years ago

ll. My father stopped smoking two years ago

-> My father hasn't smoked for two years

12. We have learnt English for four years.

-> We started. to learn English four years ago

13 My father started to give up smoking last year

-> My father has given up smoking since last year

14. They have worked in that factory since 2001

-> They started. to work in that factory in 2001

15. Lan hasn't written to Maryam for a month.

-> Lan didn't...write to Maryam a month ago..

16. He has lived in Ha Noi since he was 12.

-> He started.to live in Ha Noi when he was 12

17. I haven't met her for a long time.

-> I didn't. meet her a long time ago

18. How long have you leamt French ?

-> How long ago did you learn French?

19. How long have you bought this car -> When did you buy this car?

20. When did you start to listen to classical music ?

->How long have you listened to classical music?

21. I saw her 10 years ago.

-> I haven't seen her for 10 years

31 tháng 8 2017

Bài 1:Change the following sentences into Passive

1. They have known him well

=> He has been known well.

2. The manager must sign the cheque

=> The cheque must be signed by the manager.

3. My father bought me a video recorder

=> I was bought a video recorder by my father.

4. They use cars and trucks to carry food to market

=> Cars and trucks are used to carry food to market.

5. They have built a new hospital near the airport

=> A new hospital has been built near the airport.

6. He hasn't seen the younger son for three weeks

=> The younger son hasn't been seen for three weeks.

31 tháng 8 2017

Bài 1:Change the following sentences into Passive

1. They have known him well

=>He has been known well.

2. The manager must sign the cheque

=>The cheque must be signed by the manager.

3. My father bought me a video recorder

=>I was bought a video recorder by my father.

4. They use cars and trucks to carry food to market

=> Cars and trucks are used to carry food to market.

5. They have built a new hospital near the airport

=> A new hospital has been built near the airport.

6. He hasn't seen the younger son for three weeks

=> The younger son hasn't been seen for three weeks.