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25 tháng 7 2018

1. My parents sent me to an English speaking school.

I was sent to an English speaking school. by my parents

2. The fire has destroyed many houses.

many house has been destroyed by the fire

3. People say that he has been to the island of Nagua

he is said to have been to the island of nagua

4. The police made the youth empty his pockets

The youth was made to empty his pockets by the police

5. They are preparing the school for the president’s visit.

the school is being prepared for the president's visit

6. They haven’t cleaned the streets this week.

the streets haven't been cleaned this week

7. We have made great progress in our economy in the last few years.

great progress has been made in our economy in the last few years

9. Last Thursday we appointed a new marketing manager.

a new marketing manager was appointed last thursday

10. Smith Ltd are supplying our country with a new office furniture.

our country is being supplied with a new office furniture by smith

16 tháng 8 2018

8 phút trước (09:39)

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1 tháng 1 2018

1. Our exercises are corrected at home by the teacher.

2. Ali’s mother was worried by his absence.

3. Several new schools are being built in our town.

4. Great progress has been made in industry, science and medicine.

5. A lion was killed by Sam last week.

6. Your report must be handed in before the end of this month.

7. The job had just been finished when the factory closed.

8. That box hasn’t been opened for the past hundred years.

9. Are these letters going to be mailed soon?

10. The report shouldn’t have been finished yesterday.

11. Researches on SIDA began to be carried out by scientists two years ago.

12. He is said to be the richest man in our town. / It is said that he is the richest man in our town.

13. You can be assured everything will be arranged in time.

14. We are to pity rather than these homeless boys are despised.

15. Nothing has been moved since you were sent away to be cured.

1 tháng 1 2018

I. Change into passive voise .

1. The teacher corrects our exercises at home .

=> Our exercises are corrected at home by the teacher.

2. Ali 's absence worried his mother

=> Ali’s mother was worried by his absence.

3. They are building several new schools in our towm

=> Several new schools are being built in our town.

4. We have made great progress in industry , science and medicine

=> Great progress has been made in industry, science and medicine.

5. Sam killed a lion last week.

=> A lion was killed by Sam last week.

6. You must hand in your report before the end of this month.

=> Your report must be handed in before the end of this month.

7. I had just finished the job when the factory closed.

=> The job had just been finished when the factory closed.

8. No one has opened that box for the past hundred years.

=> That box hasn’t been opened for the past hundred years.

9. Are you going to mail these letters soon ?

=> Are these letters going to be mailed soon?

10. He should have finished the report yesterday

=> The report shouldn’t have been finished yesterday.

11. Scientists began to carry out researches on SIDA two years ago.

=> Researches on SIDA began to be carried out by scientists two years ago.

12. They say that he is the richest man in our town.

=> He is said to be the richest man in our town.

13. I can assure you I will arrange everything in time.

=> You can be assured everything will be arranged in time.

14. We are to pity rather than despise these homeless boys.

=> We are to pity rather than these homeless boys are despised.

15. We haven't moved anything since they sent you away to cure you.

=> Nothing has been moved since you were sent away to be cured.

I. Change these sentences into passive form (simple present)1) People play soccer all over the world . Soccer………………………………………….………………………………………….2) Nam buys a new shirt A new shirt………………………………………………………………………………...3) I visit Dam Sen park with my family Dam Sen……………………………………………………………………………………...4) Mai’s...
Đọc tiếp

I. Change these sentences into passive form (simple present)

1) People play soccer all over the world . Soccer………………………………………….………………………………………….

2) Nam buys a new shirt A new shirt………………………………………………………………………………...

3) I visit Dam Sen park with my family Dam Sen……………………………………………………………………………………..

.4) Mai’s aunt eats cucumbers for dinner Cucumbers……………………………………………………………………………………..

5) Mr Minh builds this house for Mr Jonh This house……………………………………………………………………………………….

6) They mix the glass with certain specific chemicals The glass………………………………………………….…………………….

7) Nam speaks English very well English……………………………………………………………………………………………...8) Somebody cleans the room in the morningThe room………………………………………………………………………………………….9) Mr Tan teaches French in a school French…………………………………………………………………………………………...10) The milkman brings bottles of milk to houses Bottles of milk………………………………………………………………………11) People use milk for making butter and cheese_________________________________________________12) My sister often washes my clothes._________________________________________________13) Everyone believes him right._________________________________________________14) She needs English for her work._________________________________________________15) The workers clean the street every day_________________________________________________16) Do people speak Spanish in Brazil?_________________________________________________17) My sister cleans these rooms everyday._________________________________________________II. Change these sentences into passive form (simple past)1. They made this car in Japan. _________________________________________________2. She decided to paint her house blue._________________________________________________3. People invented color TV in 1950_________________________________________________4. My father took me to Ho Chi Minh City last week._________________________________________________5. They bought many souvenirs in Nha Trang._________________________________________________6. She read the letter many times last night._________________________________________________7. Hoa met Tim at the market yesterday._________________________________________________ . Change these sentences into passive form (simple past)1. She didn’t introduce me to her mother._________________________________________________2. My father planted this tree._________________________________________________3. Thu helped him do his homework._________________________________________________4. They didn’t invite me to the birthday party._________________________________________________5. they built that house in 1972________________________________________________Rewrite the sentences in the passive voice form: (Modal Verbs)1. People will use cloth bags in the future._________________________________________________2. My cousin will meet you at the station._________________________________________________3. They will hold the meeting before May Day. _________________________________________________4. Will you invite her to your wedding party? _________________________________________________5. We might find life on another planet. _________________________________________________6. We have to improve all the schools in the city. _________________________________________________7. You must do this exercise carefully. _________________________________________________8. We can solve the problem . _________________________________________________9. People should stop experiments on animals. _________________________________________________10. Nam will buy a new shirt _________________________________________________11. I will visit Dam Sen park with my family _________________________________________________12.He won’t tell me the truth about the situation. _________________________________________________13 Will buses bring the children home? _________________________________________________IV. Rewrite the sentences in the passive voice form: 1. Lan buys some new books_________________________________________________2. They will visit the temple next week_________________________________________________3. My friend send me a letter next week_________________________________________________4. people will build a hotel in 2010_________________________________________________ 
5. We collect used paper for recycling_________________________________________________6. She cleans the house every day_________________________________________________7. Jane sees the boy riding a buffalo_________________________________________________8. Miss Thu will make me a new dress_________________________________________________9. Tim will meet me at the airport_________________________________________________10. Many people speak English in over the world_________________________________________________11. They will buy a new house next week_________________________________________________12. I eat an orange each day_________________________________________________13. he usually reads 2 newspapers a day_________________________________________________14. I will invite Lan to my birthday party_________________________________________________15. I see John in front of the theatre_________________________________________________16.Tom wrote this report yesterday._________________________________________________17. People plant a lot of flowers in Da Lat._________________________________________________18. Our teacher holds a class discussion every month._________________________________________________19. Miss Hoa teaches my sister English._________________________________________________20. People use milk for making butter and cheese._________________________________________________21. They have given Tom a present._________________________________________________22. Does Mr. Green often take them to the cinema on Sundays?_________________________________________________23. Do they hold a meeting every month?_________________________________________________24. The weather has turned all the leaves yellow._________________________________________________25. People play football all over the world._________________________________________________26. People speak French and English in Canada._________________________________________________

 

0
III, Change the sentences below in to the 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. We should clean our teeth twice a day. 5. Our teachers have explained the English grammar. 6. Some drunk drivers caused the accident in this city. 7. Tom will visit his parents next month. 8. The manager didn’t phone the secretary this morning. 9. Did Mary buy this...
Đọc tiếp

III, Change the sentences below in to the 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. We should clean our teeth twice a day.

5. Our teachers have explained the English grammar.

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

7. Tom will visit his parents next month.

8. The manager didn’t phone the secretary this morning.

9. Did Mary buy this beautiful dress?

10. I won’t hang these old pictures in the living room.

11. The German didn’t build this factory during the Second World War.

12. The Greens are going to paint this house and these cars for Christmas Day.

13. Ann had fed the cats before she went to the cinema.

14. The students have discussed the pollution problems since last week.

15. Have the thieves stolen the most valuable painting in the national museum?

16. Some people will interview the new president on TV.

17. How many languages do they speak in Canada?

18. Are you going to repair those shoes?

19. He has broken his nose in a football match.

20. Have you finished the above sentences?

IV, Change the sentences below in to the passive voice

1. The waiter brings me this dish.

2. Our friends send these postcards to us.

3. Their grandmother told them this story when they visited her last week.

4. Tim ordered this train ticket for his mother.

5. You didn’t show me the special camaras.

6. She showed her ticket to the airline agent.

7. He lends his friend his new shoes.

8. She left her relatives five million pounds.

9. The shop assistant handed these boxes to the customer.

10. The board awarded the first prize to the reporter.

11. Have you sent the Christmas cards to your family?

12. The committee appointed Alice secretary for the meeting.

13. He hides the broken cup in the drawer.

14. They keep this room tidy all the time.

15. They all voted the party a great success.

16. We gave Ann some bananas and some flowers.

17. They moved the fridge into the living room.

18. She bought some cups of tea to the visitors in the next room.

19. They find the new project worthless.

20. The secretary didn’t take the note to the manager.

1
13 tháng 3 2020

III, Change the sentences below in to the passive voice

1. My father waters this flower every morning.

=> This flower is watered by my father every morning

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

=> Fiona was invited to his birthday party by John last night

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

=> The dinner is being prepared in the kitchen by her mother

4. We should clean our teeth twice a day.

=> Our teeth should be cleaned twice a day

5. Our teachers have explained the English grammar.

=> The English grammar has been explained by our teachers

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

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

7. Tom will visit his parents next month.

=> His parents will be visited by Tom next month

8. The manager didn’t phone the secretary this morning.

=> The secretary wasn't phoned by the manager this morning

9. Did Mary buy this beautiful dress?

=> Was this beautiful dress bought by Mary ?

10. I won’t hang these old pictures in the living room.

=> These old pictures won't be hanged in the living room

11. The German didn’t build this factory during the Second World War.

=> This factory wasn't built by the German during the Second World War

12. The Greens are going to paint this house and these cars for Christmas Day.

=> This house and these cars are going to be painted by the Greens for Christmas Day

13. Ann had fed the cats before she went to the cinema.

=> The cats had been fed by Ann before she went to the cinema

14. The students have discussed the pollution problems since last week.

=> The pollution proplems have been discussed by the students since last week

15. Have the thieves stolen the most valuable painting in the national museum?

=> Has the most valuable painting been stolen in the national museum by the thieves ?

16. Some people will interview the new president on TV.

=> The new president will be interviewed on TV

17. How many languages do they speak in Canada?

=> How many languages are spoken in Canada ?

18. Are you going to repair those shoes?

=> Are those shoes going to be repaired ?

19. He has broken his nose in a football match.

=> His nose has been broken in a football match

20. Have you finished the above sentences?

=> Has the above sentences been finished ?

IV, Change the sentences below in to the passive voice

1. The waiter brings me this dish.

=> I am brought this dish by the waiter

2. Our friends send these postcards to us.

=> We are sent these postcards by our friends

3. Their grandmother told them this story when they visited her last week.

=> They were told this story by their grandmother when she was visited last week

4. Tim ordered this train ticket for his mother.

=> This train ticket was ordered by Tim for his mother

5. You didn’t show me the special camaras.

=> I wasn't showed the special camaras

6. She showed her ticket to the airline agent.

=> Her ticket was showed to the airline agent

7. He lends his friend his new shoes.

=> His friend is lent his new shoes

8. She left her relatives five million pounds.

=> Her relatives were left five million pounds

9. The shop assistant handed these boxes to the customer.

=> These boxes were handed to the customer by the shop assistant

10. The board awarded the first prize to the reporter.

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

11. Have you sent the Christmas cards to your family?

=> Have the Christmas cards been sent to your family ?

12. The committee appointed Alice secretary for the meeting.

=> Alice secretary was appointed for the meeting by the committee

13. He hides the broken cup in the drawer.

=> The broken cup is hidden in the drawer

14. They keep this room tidy all the time.

=> This room is kept tidy all the time

15. They all voted the party a great success.

=> The party was all voted a great success

16. We gave Ann some bananas and some flowers.

=> Ann was given some bananas and some flowers

17. They moved the fridge into the living room.

=> The fridge was moved into the living room

18. She bought some cups of tea to the visitors in the next room.

=> Some cups of tea were bought to the visitors in the next room

19. They find the new project worthless.

=> The new project is found worthless

20. The secretary didn’t take the note to the manager.

=> The note wasn't taken to the manager by the secretary

12 tháng 7 2019

Change these sentences into passive

1. They wwill build a new hospital in this area

-> A new hospital will be built in this area

2.Phu Quang has composed a lot of songs about Ha Noi

-> A lot of songs about Hanoi has been composed by Phu Quang

3. Nobody informed me about the change of the plan

-> I was not informed about the change of the plan

4. They are going to set up a new wrokshop in my school

-> A new workshop is going to be set up in my school

5. They gave Linh an Oxfrod dictionary last semester

-> An Oxfrod dictionary was given to them last semester 

6. People don't grow maize in this region

->Maize isn't grown in this region 

7. My sister hasn't finished the project yet

-> The project hasn't been finished by my sister yet

8. Viruses can attack your computer at any time

->  Your computer can be attacked by viruses at any time

9. The mechanic is going to repair my car

-> My car is going to be repaired by the mechanic

10. Blair invented a color television in 1928

-> A color television was invented By Blair in 1928

11. John gave me these records last week

-> These records was given me by John last week

12. Our club holds meetings once a month

-> Meetings are held by our club once a month

13 She doesn't find anything in that box

-> Anything was not found in that box

14. The little boy has eaten the eggs
-> The eggs have been eaten the little boy

12 tháng 7 2019

Sửa cho Nguyễn Thị Quỳnh Tiên

2.has been compose=>have been composed

5,to them=>(to) linh

11.was=<were

14,the little boy=>by the little boy

Passive(cont ) They speak English all over the world He uses milk for making butter and cheese Does anyone answer my question? People always admire this picture her mother will take her to the hospital next week They made the fire in the traditional way The children are decorating the sitting-room Parents look after their children They made their friends feel comfortable at the party 0.She cleans the floor twice a day 1.We are doing our homework in the room 2.He'll solve the problem...
Đọc tiếp

Passive(cont )

They speak English all over the world

He uses milk for making butter and cheese

Does anyone answer my question?

People always admire this picture

her mother will take her to the hospital next week

They made the fire in the traditional way

The children are decorating the sitting-room

Parents look after their children

They made their friends feel comfortable at the party

0.She cleans the floor twice a day

1.We are doing our homework in the room

2.He'll solve the problem soon

3.He is writing a book o biology

4.The teacher is explaining the lesson to him

5.They don't teach French in this school

6.Nam can answer most of the questions

7.Miss Thanh taught me to draw the Christmas cards

8.Santa Claus gave children presents onChirismas Eve

9.They don't grow coffe on this farm

10.Do you often have bread and milk for your breakfast?

11.This boy broken my window last night

12.We will meet him at the airport

13.My father often buys me math magazine on his way home every day

14.Are the studens doing the experiments in the laboratory at the moment?

15.They have known him well

16.They will transport oranges from Valencia to Germany in a special crates

17.You must do this work right now

18.My sister didn't gave me a new pair of jeans on my fifteen birthday

19.The workers are building a supermarket on our street

20.You mustn't use this machine after 5:30 pm

21.Did people make jeans two hundred years ago?

32.We are going to grow flower in the front garden

33.Heve you learned English for three years?

34.How do they book this kind of food?

35.What are the boys doing over there?

36.When I came,he was repairting the computer

37.They will luagh t you if you wear that silly hat

38.How do people learn English?

39.Where did you take these photographs?

40.No-one has seen Peter since last week

41.My sister was doing her homework at the moment last

42.We had to finish our work on time

43.They have built that building for 3 months

44.The students used to play marbles at recess when they were in grade 9

45.Thay has had lunch when we came

46.Hoa has just received her mother's letter

47.They are going to join English speaking club tomorrow morning

48.Are they plating trees in the garden?

49.A painter painted our house last month.We.......

50.My brother used to eat a lot of meat when he was a student

51.Will you translate these instructions into Vietnamese for me?

52. You should keep the flowers in a warm sunny place

53.Did they win the games?

54.The hairdresser is cutting my hair this afternoon

55.People say that John Wilson lives in New York

1
30 tháng 7 2018

Passive(cont )

They speak English all over the world

=> English is spoken all over the world

He uses milk for making butter and cheese

=> Milk is used for making butter and cheese by him

Does anyone answer my question?

=> Is my question answerd ?

People always admire this picture

=> This picture is always admired

her mother will take her to the hospital next week

=> She will be taken to the hospital by her mother next week

They made the fire in the traditional way

=> The fire was made in the traditional way by them

The children are decorating the sitting-room

=> The sitting - room is being decorated by the children

Parents look after their children

=> Their children are looked after by parents

They made their friends feel comfortable at the party

=> Theirs friends were made feel comfortable at the party

0.She cleans the floor twice a day

=> The floor is cleaned by her twice a day

1.We are doing our homework in the room

=> Our homework is being done in the room

2.He'll solve the problem soon

=> The problem will be solved by him soon

3.He is writing a book of biology

=> A book of biology is being written by him

4.The teacher is explaining the lesson to him

=> The lesson is being explained to him by the teacher

5.They don't teach French in this school

=> French isn't taught in this school

6.Nam can answer most of the questions

=> Most of the questions can be answerd by Nam

7.Miss Thanh taught me to draw the Christmas cards

=> I was taught to draw the Christmas cards by Miss Thanh

8.Santa Claus gave children presents onChirismas Eve

=> The children were given presents by Santa Claus on ......

9.They don't grow coffe on this farm

=> Coffee isn't grown on this farm

10.Do you often have bread and milk for your breakfast?

=> Are bread and milk often had for your breakfast ?

11.This boy broken my window last night

=> My window was broken by this boy last night

12.We will meet him at the airport

=> He will be met by our at the airport

13.My father often buys me math magazine on his way home every day

=> Math magazine is often bought for me by my father on ........

14.Are the studens doing the experiments in the laboratory at the moment?

=> Are the experiments being done by the students in the ...... ?

15.They have known him well

=> He has been known well

16.They will transport oranges from Valencia to Germany in a special crates

=> Oranges will be transported from Valencia to Germany in a special crates by them

17.You must do this work right now

=> This work must been done right now

18.My sister didn't gave me a new pair of jeans on my fifteen birthday

=> I wasn't given a new pair of jeans on my fifteen birthday by my sister

19.The workers are building a supermarket on our street

=> A supermarket is being built by the workers on our street

20.You mustn't use this machine after 5:30 pm

=> This machine musn't be used after 5:30 pm

21.Did people make jeans two hundred years ago?

=> Were jeans made two ....... ?

32.We are going to grow flower in the front garden
=> Flower is going to be grown in the front of garden

33.Heve you learned English for three years?

=> Has English been learned by you for three years ?

34.How do they book this kind of food?

=> How is this kind of food booked by they ?

35.What are the boys doing over there?

=> What are they boys being done over there ?

36.When I came,he was repairting the computer

=> When I came , the computer was being repaired by him

Mk gợi ý đến đây thôi..ko còn sức làm tiếp nữa khocroi

#Yiin

30 tháng 7 2018

vãi cả gợi ý, m làm cho nó chép r còn gợi ý cái gì?

10 tháng 3 2019

change the active sentences into passive sentences

1.My father waters this flower every morning.

This flower is watered (by my father) every morning.

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

Fiona was invented to John’s birthday party last month.

3. The mailman has already delivered the mail

the mail has already been delivered by the mailman

4.We should clean our teeth twice a day.

our teeth should be cleaned twice a day

5.Our teachers have explained the English grammar.

the English grammar has been explained by our teachers

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

the accident was caused by Some drunk drivers in this city.

7.Tom will visit his parents next month.

tom's parents will be visited next month

8.The manager didn’t phone the secretary this morning.

the secretary wasn't phoned by The manager this morning.

9. He used to borrow my pen

my pen used to be borrowed

10.I won’t hang these old pictures in the living room.

these old pictures won't be hanged in the living room.

10 tháng 3 2019

change the active sentences into passive sentences

1.My father waters this flower every morning.

⇒this flower is watered by My father every morning.

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

Fiona was invited by John to his birthday party last night.

3. The mailman has already delivered the mail.

⇒the mail has already delivered by The mailman.

4.We should clean our teeth twice a day.

⇒our teeth should be cleaned by us twice a day.

5.Our teachers have explained the English grammar.

⇒ the English grammar have been explained by Our teachers.

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

⇒ the accident was caused by Some drunk drivers in this city.

7.Tom will visit his parents next month.

⇒his parents will be visited by tom next month.

8.The manager didn’t phone the secretary this morning.

⇒the secretary wasn't phoned by The manager this morning.

9. He used to borrow my pen.

⇒my pen was used to borrowed by him.

10.I won’t hang these old pictures in the living room.(câu này có gì đó sai sai)

11.The German didn’t build this factory during the Second World War.

⇒this factory wasn't built during the Second World War byThe German .

12. You ought to tell him early.

⇒ he ought to be told early by you.

13. They don't use the room very often.

⇒the room wasn't used very often by them.

14.He has broken his nose in a football match.

⇒his nose has been broken in a football match by him.

15. They must widen the road to school this year.

⇒ the road to school must be widen this year by them.

put he following nto the passive 1. They have sold their car to pay their debt 2. People have developed many different paper products 3. Wastes from chemical factories have caused a lot of pollution 4. They have just given the children some gifts 5. People have used the ballpoint pens for many years 6. We haven't finished our homework yet 7. they haven't collected the rubish 8. he hasn't written novels for ages 9. we haven't used these rooms for a long time 10. Lan hasn't visited her...
Đọc tiếp

put he following nto the passive
1. They have sold their car to pay their debt
2. People have developed many different paper products
3. Wastes from chemical factories have caused a lot of pollution
4. They have just given the children some gifts
5. People have used the ballpoint pens for many years
6. We haven't finished our homework yet
7. they haven't collected the rubish
8. he hasn't written novels for ages
9. we haven't used these rooms for a long time
10. Lan hasn't visited her grandparents since last year
11. have terrorists attacked many cities in the world for months?
12. Has anyone shown you the new machine?
13. Has the author written a special edition for children?
14. Have thay chaned the date of the meeting?
15. Have the two countries established friendly relations?
16. He asked me many difficult question
17. She advised us to reuse milk bottles
18. They made the fire in the traditional way
19. He finished his exercises on time
20. This boy broke my window yesterday
21. The lawyer gave him the details of his uncle's will

1
14 tháng 1 2018

put he following nto the passive
1. They have sold their car to pay their debt

Their car has been sold to pay their debt
2. People have developed many different paper products

Many different paper products have been developed
3. Wastes from chemical factories have caused a lot of pollution

A lot of pollution has been caused by wastes from chemical factories
4. They have just given the children some gifts

The children have just been given some gifts
5. People have used the ballpoint pens for many years

The ballpoint pens have been used for many years
6. We haven't finished our homework yet

Our homework hasn't been finished yet
7. they haven't collected the rubish

The rubbish hasn't been collected
8. he hasn't written novels for ages

Novels haven't been written for ages
9. we haven't used these rooms for a long time

These rooms haven't been used for a long time
10. Lan hasn't visited her grandparents since last year

Lan's grandparents haven't been visited since last year
11. have terrorists attacked many cities in the world for months?

Have many cities been attacked in the world by terrorists for months?
12. Has anyone shown you the new machine?

Has the new machine been shown you?
13. Has the author written a special edition for children?

Has a special edition been written for children by the author?
14. Have thay chaned the date of the meeting?

Has the date of the meeting been changed?
15. Have the two countries established friendly relations?

Have friendly relations been established by the two countries?
16. He asked me many difficult question

I was asked many difficult question
17. She advised us to reuse milk bottles

We were advised to reuse milk bottles
18. They made the fire in the traditional way

The fire was made in the traditional way
19. He finished his exercises on time

His exercises were finished on time
20. This boy broke my window yesterday

My window was broken by this boy yesterday?
21. The lawyer gave him the details of his uncle's will

He was given the details of his uncle's will by the lawyer