1. The pupils clean the chairs in the classrooms.  

The chairs are cleaned by the pupils in the classroom

2. Mary types the letters very quickly. 

The letters are typed in the office by Mary

3. People use milk for making butter and cheese.

Milk is used for making butter and cheese

4. The milkman brings bottles of milk to houses.

Bottles of milk are brought to house by the milkman

5. Careless driver causes many accidents. 

Many accidents are caused by careless driver

6. People speak English all over the world.

English is spoken all over the world

7. They don’t use this house very often.

This house isn't used very often

8. Do they teach French in this school? Is French + V-3 …….?

Is French taught in this school?

9. You mustn’t use that machine after 5.30 p.m.  

That machine musn't be after 5:30p.m

10. Somebody will clean the floor tonight.

The floor will be cleaned tonight

11. He has to send the package  

The packet has to be sent by him

12. They can’t put these things here. 

These things can't be put here

Hoctot

Letters were typed in the office by Mary

The cake can be made by Mr. Smith

1.Mary types letters in the office.

-->Letters are typed by Mary in the office

2.His father will help you tomorrow

-->You will be helped by his father tomorrow

3.Peter broke this bottle

-->This bottle was broken by Peter

4.They are learning English in the room

--> English is being learnt in the room

5.My students will bring the children home

-->The children will be brought home by my students

1. Mary types letters in the office. .........Letter are typed in the office by Mary................................................................................................................................ 2. His father will help you tomorrow. ......You will be helped by his father tomorrow................................................................................................................................... 3. Science and technology have completely changed human life. ..............Human life has completely been changed by science and technology........................................................................................................................... 4. Peter broke the window yesterday. .................The window was broken by Peter yesterday........................................................................................................................ 5. They are learning English in the room. ...............English is being learned in the room...................................................................................

1. Mary types letters in the office.
......The letters are typed in the office by Mary...............
2. His father will help you tomorrow.
........You will be helped by his father tomorrow............
3. Science and technology have completely changed human life.
.....Human life have been completely changed by science and technology..........
4. Peter broke this bottle.
....This bottle is broken by Peter...........
5. They are learning English in the room.
.........E is being learnt in the room by them.........................
6. Nothing can change my mind
........My mind can not be changed.........
7. No one had told me about it.
.........I had not been told about it.........................
8. I don’t know her telephone number.
.......Her telephone number isn't known by me.....................................
9. My students will bring the children home.
........The children will be brought home by my students......................
10. They sent me a present last week.
.......A present was sent me last week by them............

1.=> You’ll be helped by his father tomorrow.

2. => This bottle was broken by Peter.

3.=> Letters are typed in the office by Mary.

4. => English is being learnt in the room.

1. His father will help you tomorrow.

\(\rightarrow\) You will be helped by his father tomorrow

2. Peter broke this bottle.

\(\rightarrow\) This bottle were broken by Peter

3. Mary types letters in the office.

\(\rightarrow\) Letters are typed in the office by Mary

4. They are learning English in the room.

 \(\rightarrow\) English is being learned in the room by them

5.Steven has forgotten the book.

\(\rightarrow\) The book has been forgotten by Steven

You will be helped by his father tomorrow

This bottle was broken by Peter 

Letters are typed by Mary in the office

English is being learned in the room

The book has been forgotten by Steven

1. Mary types letters in the office.

=> Letters are typed in the office by Mary.

2. His father will help you tomorrow.

=> You will be helped by his father tomorrrow.

3, Science and technology have completely changed human life.

=> The human life has completely been changed with science and technology.

4. Peter broke this bottle.

=> This bottle is broken by Peter.

5. They are learning English in the room. 

=> English is being learnt in the room .

1. Mary types letters in the office.

\(\rightarrow\) Letters're typed in the office by Mary.

2. His father will help you tomorrow.

\(\rightarrow\) You will be helped by his father tomorrow.

3. Science and technology have completely changed human life.

\(\rightarrow\) Human life has been completely changed by science and technology.

4. Peter broke this bottle.

\(\rightarrow\) This bottle was broken by Peter.

5. They are learning English in the room. 

\(\rightarrow\) English is being learned in the room.

1.   Mary types letters in the office.

Letter are typed in the office

2.   His father will help you tomorrow.

You will be helped by his father tomorrow

3.   Science and technology have changed human life.

Human life has been changed by Science and technology

4.   Peter broke this bottle.

This bottle was broken by Peter

5.   They are learning English in the room.

English is being learned in the room.

6.   Nothing can change my mind.

My mind can't be changed

7.   No one had told me about it.

I hadb't been told about it

8.   I buy 2 newspapers and 1 magazine everyday.

2 newspapers and 1 magazine are bought by me everyday

9.   My students will bring the children home.

The children will be brought home by my students

10.   We should keep the room tidy.

THe room should be kept tidy

11.   She gave us more information.

More information was given to us by her

12.   The chief engineer was instructing all the workers of the plan.

All the workers of the plan were being instructed by the chief engineer

13.   We plant many flowers in the garden.

Many flowers are planted in the garden

14.   Somebody has taken some of my books away.

Some of my books have been taken away

15.   They will hold the meeting before May Day.

THe meeting will be held before may day

1.   Mary types letters in the office.

Letters are typed in the office my Mary

2.   His father will help you tomorrow.

You will be helped by his father tomorrow

3.   Science and technology have changed human life.

Human life has been changed by science and technology

4.   Peter broke this bottle.

This bottle is broken by Peter

5.   They are learning English in the room.

English is being learned in the room

6.   Nothing can change my mind.

My mind can't be changed

7.   No one had told me about it.

I hadn't been told about it

8.   I buy 2 newspapers and 1 magazine everyday.

2 newspapers and 1 magazine have been bought everyday by me

9.   My students will bring the children home.

The children will be brought home by my students

10.   We should keep the room tidy.

The room will be kept tidy by us

11.   She gave us more information.

More information was given to us by her

12.   The chief engineer was instructing all the workers of the plan.

All the workers of the plan was being instructed by the cheif engineer

13.   We plant many flowers in the garden.

Many flowers are planted in the garden by us

14.   Somebody has taken some of my books away.

 Some of my books has been taken away

15.   They will hold the meeting before May Day.

The meeting will be hold before May Day