被动语态基本用法
当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。
His brother  washes  bowls every day
主
谓
宾(受动者)
Bowls
are washed
by
his brother
every day.
改为被动语态
1.They  make   shoes in  that factory.
主语+及物动词+宾语

Shoes     are made    (by them) in that factory.
一般现在时：

变为被动语态

S(主语）+am/is /are  +过去分词

They play football  on Sunday.

Lucy does the homework in the evening.

They often use computers in class.

We make these machines in Beijing.


Football is  played by them on Sunday.
The homework is done by Lucy in the evening.
Computers are often used by them in class.
These machines are made in Beijing.
He looked after the little baby  yesterday.
主
谓
宾(受动者)
The little baby
 was looked after
by
him
yesterday .
2. They    bought    ten computers last term．

Ten computers were bought  (by them) last term.

一般过去时：
S+was/were +过去分词

They built the tall building last year.

He took good care of his little brother yesterday.

We cleaned our classroom just now.

They used this room for resting.

The tall building was built by them last year.
His little brother was taken good care of by him yesterday.

Our classroom was cleaned by us  just now.
This room was used for resting by them.
Tom  will clean  the room tomorrow.
主
谓
宾(受动者)
The room
will be cleaned
by
Tom
tomorrow.
3.They will finish the work in ten days.


The work will be finished (by them)
in ten days.

一般将来时：
S+ will+be+过去分词
We will have a sports meeting next week.


Children will take some photos in the
schoolyard tomorrow.



The headmaster will give a talk  this afternoon.




A  sports meeting will be had by us next week.
Some photos will be taken by children in the school tomorrow.

A talk will be given by the headmaster this afternoon.
4．Amy  can take good care of Gina ．
Gina can be taken good care of  by Amy.

情态动词：
S+ can/may/must/should + be+过去分词
1.He can take  care of the  baby.

2.Lucy may draw the pictures.

3.You must turn off the lights.

4.They should learn English well.
The baby can be taken care of by him.
The picture may be drawn by Lucy.
The lights must be turned off by you.
English should be learned well by them.

Exercises：
1.Many people speak English.

2.People used knives for cutting things.

3.We can use the box as a table.

4.We should clean the classroom every day.

5.She will repair the bike tomorrow.






 

下列时态的被动语态构成
1.Lucy is watering the trees.
  


2.We have finished our compositions.
 

看一看 想一想

Some workers are painting the rooms now．

The rooms  are being painted by some workers now.
现在进行时：
 S+ am/is/are + being +过去分词
We  have made   twenty more keys．

Twenty more keys have  been made by us.
现在完成时：
 S+ have/has + been+过去分词
各种时态的被动语态构成
一般现在时：
一般过去时：

一般将来时：
   情态动词：

过去进行时


现在完成时：

 S+  am/is /are +  done
S+can/may/must/should+be+done
 S+    will    +  be + done
S+  was/were  +  being+ done
S+ have/has + been+ done
S+  was/were  +  done
各种时态的被动语态构成
中考挑战
中考被动语态考题
1.The  river  smells  terrible. People  must  __ dirty  thing
    into  it.(南京市中考题）
 A  be  stopped  to  throw 
 B  be  stopped  from  throwing
 C  stop  to   throw           
 D  stop  from  throwing
 
2.This book __ often __from  the  library.(北京市中考题）
A aren’t  take  away      B  taken  away
C isn’t  taken   away      D  be  taken  away

3.He ____ _____ (tell)  to  return  his  books  to  the   library  yesterday. (黄冈市中考题）

was   told
5. Another  man-made  satellite  was sent  up  into  space by  them  last  week (济南市中考题）
   ——  —— ——   another  man-made   satellite  into space  last   week.变主动语态

7.People  there   planted  many  trees  last  year. 
  Trees   _____  _____   by people there last year.
(青岛市中考题）

8. They  grow  vegetables on the farm.
  The vegetables  _______  ______on the farm（上海市中考题）

T
They    sent    up
were  planted
  are      grown
On 22 August 2004, The Scream, a famous painting by an artist called Edverd stole/was stolen from the museum in Norway.The painting pulled/was pulled off the wall by two men as visitors watched/were watched.The men escaped/were escaped by car. Later, the car found/was found but the picture was gone.
Homework :
1.He cleans the classroom  everyday.
2.They  finished their homework.
3.I can mend his bike.
4.She will buy ten books tomorrow.
5.We shouldn’t allow them to go out with their friends.
6.The old man often makes us laugh.
10.The teacher asked Tom to turn on the computer.
Tom _______ ________ to turn on the computer.
11.In this factory women do most of  the work.
 Most of the work _______ ________ by women in this factory