初中被动语态讲解课件上课

3.You must turn off the lights.
The lights must be turned off by you.
4.They should learn English well.
English should be learned well by them.
The passive voice
12. A strange sound ______ yesterday evening. A. was heard B. hears C. heard 13. A beautiful bike _______ him by his classmates. A. sent to B. will sent to C. was sent to 14. Miss Chen ______ just ______ to speak at the meeting. A. has …been asked B. has been …asked C. have …been asked 5. Meat _______ out in this shop . We can ____ now. A. have been sold , get nothing B. has been sold , get nothing C. has been sold , get some
3.含有情态动词的被动语态结构： can/may/must/should + be+过去分词 1.Amy can take good care of Gina ．
Gina can be taken good care of by Amy. 2.You should drink more water.
9. The letter _______ three days ago and it_____ yesterday. A. had post , had arrived B. was posted , arrived C. posted , arrived
10. Water ______ into ice. A. will changed B. must be changed C. can be changed 11. The birds _______ fly away last Saturday. A. let to B. is let to C. were let to
(二)被动语态的基本结构:
be + 过去分词
有各种时态的变化
动词过去分词的变化:
1.规则动词的过去分词：
1)一般情况在动词原形后加-ed 2)以不发音e结尾的加-d 3)以辅音加y结尾的，去y变i加-ed study---studied 4)以重读闭音节结尾，末尾只有一个辅音字母，先双写该 stop---stopped 辅音字母，再加-ed
to: pass, give, show, bring for: make, buy, draw
18. Can you tell _______ ? A. when it was happened
B. when was it happened C. whotball on Sunday.
Football is played by them on Sunday.
• Lucy does the homework in the evening.
The homework is done by Lucy in the evening.
• We cleaned our classroom just now.
• They used the rooms for resting.
Our classroom was cleaned by us just now.
The rooms were used for resting by them.
• They often use computers in class.
Computers are often used by them in class.
• We make these machines in Beijing.
These machines are made in Beijing.
Was / were + 动词的过去分词
被动语态
英语中动词有主动语态和被动语态两种语态. 主动语 态表示主语是动作的执行者,被动语态表示主语是动作的 承受者, 在被动语态中动作的执行者有时用by短语表示 出来.
被动语态的构成: 助动词be+ (及物动词的) 过去分词
{ was (were) + done
am (is, are) + done 一般现在时
watch---watched practice---practiced
2.不规则动词的过去分词： am is have are been had has was were
do go write
done gone written
1.一般现在时的被动语态结构：
am/is/are+过去分词
Cars are made in China .
• They built the tall building last year.
The tall building was built by them last year.
• He took good care of his little brother yesterday.
His little brother was taken good care of by him yesterday.
We
主语
speak
谓语
English. 主动语态
宾语
English is spoken
by us.
被动语态
主语
谓语
宾语
They cleaned the classroom yesterday. 昨天他们打扫了教室。 The classroom was cleaned by them yesterday. 昨天教室被他们打扫了。
The desk is made of wood. English is taught in our school.
1.Many students study English. English is studied by many students.
2.They make shoes in that factory. Shoes are made by themin that factory.
More water should be drunk by you.
1.He can take care of the baby.
The baby can be taken care of by him.
2.Lucy may draw the pictures.
The picture may be drawn by Lucy.
英语动词有两种语态： 主动语态 (the Active Voice) 被动语态 (the Passive Voice) A. 主动语态表示主语是动作的执行者。
We planted the tree. The tree was planted by us.
注：后面能接宾语的动词才有被动语态
B. 被动语态表示主语是动作的承受者。
一般过去时
5. －Do you like the skirt ? －It _______ soft. A. is feeling B. felt C. feels 6. Are you still here ? You were here an hour ago . Who ________ for ? A. are you waiting B. did you wait C. were you waiting 7. _____ to know Professor Zhang. A. He said B. I said C. He is said 8. －I want to sit at the table near the window. －Sorry , ______ already. A. it took B. it takes C. it has been taken