1.  They did this exercise well.

2.  They must wash this dress in cold water.

3.  He hasn't made any mistakes in his composition. 

4. He will exhibit his painting for the first time by New Arts Gallery.

5.  They built this house 1000 years ago.

6.  They make these artificial flowers of silk.

7.  The students are writing the lessons now.

8.  They have to do this job at once.

9.  They feed these animals at the zoo twice a day.

10.  French doctors are going to perform the operation.

11. They have made all the arrangements.

12. When did they manufacture this radio?

13. We couldn't find them anywhere.

14. Is she teach mathematics in this school?

15. The accident didn't damage the machinery fortunately.

16. Please wait here while we are examining your luggage.

17. How do they make candles?

18. For a long time they believed that the earth was flat.

19. Did your teacher teach you how to apply this theory?

20. They say that apples are good for our health.

21. Don't let the children tease the dog. 

22. They believed that red is the symbol of luck.

23.What have they done to help the poor in the city.

24. The robber has stolen her jewelry while she was out.

25. Where did pirates used to hide the treasure in the old time.

I/. CHANGE SENTENCES IMTO ACTIVE VOICE ( ĐỔI CÂU SANG A)

1. these exercises were done well.

-> They did these exercises well

2. this dress must be washed in cold water.

-> You must wash this dress in cold water

3. no mistakes have been made in his composition.

-> He hasn't made any mistakes in his composition

4. his painting will be exhibitied for the time by New Arts gallery.

-> New Arts gallery will exhibit his painting for the time

5. this house was built 100 years ago.

-> They built this house 100 years ago

6. these artificial flowers are made of silk.

-> They make these artificial flowers of silk

7. the lessons are being written by the students now.

-> The students are writing the lessons now

8. they could not be found anywhere .

-> I could not find them anywhere

9. Is mathematics taught in this school.

-> Do they teach mathematics in this school ?

II/. CHANGE SENTENCES INTO OPPOSTE VOICE ( ĐỔI CÂU THEO THỂ NGƯỢC LẠI )

1. englsh is spoken all over the world .

-> People speak english all over the world

2. columbus discovered America in 1492.

-> America was discovered by Colombus in 1942

3. did Mark Twain write that book ?

-> Was that book written by Mark Twain ?

4. the house has been built of stone and cement.

-> They build the house of stone and cement

5. the flowers are cut in the garden by my sister.

-> My sister cuts the flowers in the garden

6. somebody is making coffee in the kitchen.

-> Coffee is being made in the kitchen

7. the clothing has been washed by Mai.

-> Mai has washed the clothing

I/. CHANGE SENTENCES IMTO ACTIVE VOICE ( ĐỔI CÂU SANG A)

1. these exercises were done well.

=>People did these exercises well

2. this dress must be washed in cold water.

=>People must wash this dress in cold water

3. no mistakes have been made in his composition.

=>He has made any mistakes in his composition

4. his painting will be exhibited for the time by New Arts gallery.

=>New Arts gallery will exhibit his painting for the time

5. this house was built 100 years ago.

=>People built this house 100 years ago

6. these artificial flowers are made of silk.

=>People make these artificial flowers of silk

7. the lessons are being written by the students now.

=>The students are writing the lessons now

8. they could not be found anywhere .

=>No one could find them anywhere

9. Is mathematics taught in this school.?

=>Do the teachers teach mathematics in this school?

II/. CHANGE SENTENCES INTO OPPOSTE VOICE ( ĐỔI CÂU THEO THỂ NGƯỢC LẠI )

1. englsh is spoken all over the world .

=>People speak English all over the world

2. columbus discovered America in 1492.

=>America was discovered by columbus in 1492

3. did Mark Twain write that book ?

=>Was that book written by Mark Twain?

4. the house has been built of stone and cement.

=>People have built the house of stone and cement

5. the flowers are cut in the garden by my sister.

=>My sister cuts the flowers in the garden

6. somebody is making coffee in the kitchen.

=>Coffee is being made in the kitchen

7. the clothing has been washed by Mai.

=>Mai has washed the clothing

18/Are English taught here?

19/Will she be invited to your wedding party?

20/Was some exercise be given by the teacher?

21/Are big cakes being made for the party by she?

22/Why wasn't he be helped?

23/ How many games have been played by the team

24/Where is English spoken?

25/Who are being kept in the kitchen?

26/By whom are the children looked after?

27/They did these exercise well.

28/People must wash this dress in cold water.

29/The students are writing the lessons now

30/People feed these animals at the zoo twice a day.

31/People have made all the arrangement

32/When did they manufacture this radio?

33/How do they make candles?

34/Do they teach Mathematics in this school?

35/Did your teacher teach you how to apply this theory ?

ý ở câu 21 là by her nhé

1, these exercises were done well
=>they did these exercises very well
2, this dress must be washed in cold water
=>they must wash this dress in cold water
3, No mistakes have been made in his composition
=>he haven't made any mistake in his composition
4, His painting will be exhibited for the first time by New Arts gallery
=>New Arts gallery will exhibit his painting for the first time.
5, This house was built 100 years ago
=>they built this hou e 100 years ago
6, These artificial flowers are made of silk
=>they make these artificial flowers of silk
7, The lesson are being written by the student now
=>the students are writing the lesson now
8,This job has to be done at once
=>they have to do this job at once
9,These animal at the zoo are fed twice a day
=>they feed these animal at the zoo twice a day
10, The operation is going to be performed by French doctors
=>French doctors are going to perform the operation

Chang these sentences into active :

1.Lan is helped by the teacher

the teacher helps Lan

2.I am surprised by the news

the news surprises me

3.The letter will be posted by Lan

Lan will post the letter

4.The cake has been eaten by the children

the children has eaten the cake

5.That letter was written by Linda

Linda wrote that letter

6.You will be amazed by this news

this news will amaze you

7.The letter is going to be answered by the secretary

the secretary is going to answer the letter

8.Many people are employed by that company

that company employs many people

9.The work will be done by Mr Manh

Mr Manh will do the work

10.The window was washed by Mr Truong

Mr Truong washed the window

11.This house was built in 1990

they built this house in 1990

12.We have been invited to a party

they have invited us to a party

13.That dictionary has been bought by my sister

my sister has bought that dictionary

14.Is spanish spoken in Peru?

do they speak Spanish in Peru?

15.Is English spoken by a large of people?

do a large of people speak English?

Bai 2: Change these sentence into active voice
1. These exercises were done well
->l did these exercises well
2. No mistakes have been made in his composition
->they haven't made no mistakes in his composition
3. This dress is being made for me by my mother.
->My mother is making this dress for me .
4. I am taught English by my mother everyday .
->My mother teaches English every day
5. A lot of English songs can be sung very well by the girls
->The girls can sing a lot of English songs very well.
6. Our clothes are washed by her everyday.
->She washes our clothes every day

1. These exercises were done well
-> We did the exercises well.
2. No mistakes have been made in his composition
-> He made no mistakes in his composition.
3. This dress is being made for me by my mother.
-> My mother is making this dress for me.
4. I am taught English by my mother everyday .
-> My mother teach me English everyday.
5. A lot of English songs can be sung very well by the girls
-> The girls can sing a lot of English songs very well.
6. Our clothes are washed by her everyday.
-> She washes our clothes everyday.

Change into active voice:

1. This dress must be washed in cold water.

\(\Rightarrow\) They must wash this dress in cold water.

2.No mistakes have been made in his composition.

\(\Rightarrow\) He has made no mistakes in his composition.

3.His painting will be exhibited for the first time by New Arts Gallery.

\(\Rightarrow\) New Arts Gallery will exhibite his painting for the fist time.

4.This house was built 100 years ago.

\(\Rightarrow\) They built this house 100 years ago.

5.These artificial flowers were made of silk.

\(\Rightarrow\) They made these artificial flowers of silk.

6.The lesson are being written by the students now.

\(\Rightarrow\) The students are writting the lesson.

7.This job has to be done at once.

\(\Rightarrow\) They hane to do this job at once.

8.The animals at the zoo are fed twice a day.

\(\Rightarrow\) They feed the animals at the zoo twice a day.

9.Don't let the dogs be teased by the children.

\(\Rightarrow\) The children don't let teased the dogs .

II. Change the following sentences into the active voice：

1. These artificial flowers are made of silk

They make these artificial flowers of silk.

2. No mistakes have been made in his composition

He hasn't made any mistakes in his composition.

3. This dress must be washed in cold water

You must wash this dress in cold water.

4. This house was built 100 years ago

They built this house 100 years ago.

5. The lessons are being written by the students now

The students are writing the lession now.

C