2021年中考英语专题复习：被动语态 课件

这是一份2021年中考英语专题复习：被动语态 课件，共16页。PPT课件主要包含了dig等内容，欢迎下载使用。
Teaching aims
1.Grasp the uses and frms f the Passive vice. 2.The ways t change the Passive Vice by ding sme exercises.Grasp hw t change the Active Vice int the Passive Vice.
A recrder is used in ur English class every day.
play
Ftball is played all ver the wrld.
A camera is used fr taking phts.
rb　　 yesterday
A man-made satellite was sent up int space last year.
A bank was rbbed yesterday.
The tree must be planted n the grund.
The grund will be cvered with trees in a few years’ time.
at nce
They will be sent t the hspital at nce.
A talk will be given sn.
The earth is being dug nw.
The fd has been eaten up already.
A bank was rbbed yesterday.
The tree must be planted n the grund.
They will be sent t the hspital at nce.
A talk will be given sn.
The fd has been eaten up already.
Lk and find ut the similarities and difficulties
一般现在时—— am／is ／ are +
一般过去时—— was／were +
一般将来时—— will be／be ging t be +
情态动词—— aux.v. (must／can／culd／may…+ be + )
现在进行时—— be(am、is、are)+being +
现在完成时—— have／has +been+
被动语态的构成：be +
被动语态：主语是动作的承受者 。
1.当我们不知道谁是动作的执行者，2.没有必要指出谁是动作的执行者时，3只需强调动作的承受者时，要用被动语态。
主动语态如何变成被动语态呢？（主动变被动）
1. 主动语态的宾语变成被动语态的主语（宾语变主语）。
2主动语态的谓语变成被动语态的谓语（主谓变被谓） 3主动语态的主语变成介词by的宾语。 （主语变 by宾）。
5 主动语态和被动语态保持时态的一致（时态一致）。
6 带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词: t 或 fr.
be given t
be bught fr
make draw ck…
7. 一些动词不定式在主动语态中省略t作宾语补足语，变成被动语态时，必须加上t。如：make,see,hear
注:Ａ.不及物动词（vi.)不用被动语态.如:happen、take place .appear、
e.g. A traffic accident ____________(happen) just nw.
Ｂ. 连系动词（Link.v.)不用被动语态。如：be、lk、seem、 feel、
sund、smell、taste、get、turn、becme…
e.g. The sng _________ (sund) beautiful.
Ｃ. 当此动词表示事物的自然属性的时候，不用被动语态 。
e.g. The pen __________(write) very fast.
This kind f sweater _______(sell) well.
Fill in the blanks using right frms:
1. Tea ________(grw) in the suth f China.
2. The bridge________(build) by sldiers in 1998.
3.This cake _________(test) well.
5. I’m ften _________(警告）nt t cpy thers’ hmewrk.
6. He culdn’t explain why dinsaurs ___________ (消失).
4. Our classrm must__________(clean) every day.
disappeared
Turn the fllwing sentences int the passive vice:
1. Many peple speak English.
His hmewrk must be handed in after class.
2.I bught a new bike yesterday.
A new bike was bught by me yesterday.
English is spken by many peple .
The wrkers was made t wrk 8 hurs.
Multiple Chice:
1. ( ) If the wrk ________,yu will g and play games. A. finished B. has finished C. will be finished D. is finished
2. ( ) It was raining heavily utside, the children were made ______ in the classrm.
3. ( ) T make ur city mre beautiful, rubbish ______ int the river. A. needn’t be thrwn B. mustn’t be thrwn C. can’t thrw D. may nt thrw
4. ( ) I like my bike. It ________ very well. A. rides B. is riding C. is ridden D. has ridden
A. stay B. t stay C. staying D. stayed