初中 被动语态 PPT课件

➢1。动词 (表示主语的属性特征) + 副词 (well/ badly/easily/smoothly),用主动式表被动义。
read,write,sell,wash,clean,wear,lock, open,cook,shut,dry,eat,drink,…
▪The books _B___ well．
•Be seen to do, be made to do, be heard to
do, be watched to do
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We should take care of the old people . The old people should be taken care of.
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主动式表被动义
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➢3.不定式作后置定语,与被修饰的名词构成动 宾关系,又和该句主语(或宾语)构成主谓关系时, 用主动式表被动义。
▪I have a lot of homework _t_o_d_o__(do)．
▪I’ll give him some books _to__r_ea_d_ (read)．
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➢4表示状态特征的连系动词+adj./n.,用主动式表
1) A car knocked him down yesterday.
•He was knocked down by a car yesterday． 2) These two kids plant trees every year． Trees are planted by these two kids every year. 3) 3)We should protect the earth．
Passive Voice
被动语态
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英语动词有两种语态：主动语态和被动语态。 1.当我们不知道谁是动作的执行者, 2. 或者只需强调动作的承受者时，要用被动语态。
被动语态结构：be + 过去分词(PP) + (by …)
在改写中应注意： 1.把原来的宾语提到前面作被动语态的主语; 2.把动词变成“be + 过去分词”; 3.主动语态中的主语变为介词by的宾语。
被动表义示。状态特征的连系动词+adj./n.,用 (look,sound,fe主el动,sm式e表ll,t被as动te义, p。rove,
appear,make,...)
•The steel feels cold．
➢5 表示“开始、结束、运动”的动词用主动式表 被动义。
(begin,open,start,stop,end,finish,shut, move,run,...)
现在完成时
have/has been done
过去完成时
had been done
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情态动词的被动语态
情态动词+ be + done must be done/mustn’t be done should be done/ shouldn’t be done can be done/ can’t be done may be done/ might be done
•The shop opens at 6 am. every day．
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表示主语的属性特征的动词+副词 well/ badly/easily/smoothly,用主
动式表被动义 ➢6. 作“需要”讲的want/need/require后 接动名词作宾语时，用主动式表被动义； 当然也可接不定式的被动式作宾语。
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Some people attacked the towers.
S
V
O
The towers were attacked
S
V
by some people.
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OOrianrltaoplrppaacrstasiccivete-ic-ve1oi.-c主eC:h动an句ge 改ea被ch动se句ntence
The earth should be protected by us.
4) 4)We’ll put on the play next Sunday． The play will be put on next Sunday.
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几种特殊结构1.My uncle gave me a gift on my birthday．
▪The fish is not fit _t_o_e_a_t__(eat)． ▪We find English is hard _t_o_l_e_ar_n_ (learn)． ▪The article is difficult _to__u_n_d_er_s_t_a_nd_ (understand).
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时态
被动语态结构
一般现表在时格：被动态am基/is本/ar结e do构ne
一般过去时
was/were done
现在进行时
am/is/are being done
过去进行时
was/were being done
一般将来时 (shall/will/be going to) be done
过去将来时
would be done
•I was given a gift on my birthday．
•A gift was given to me on my birthday.
2.We often hear him play the guitar．
•He is often heard to play the guitar
•注意：see,watch,hear,notice,feel,make, listen to, look at等动词/短语后作宾语补语的不 定式都不带to；但改成被动语态后必须带to。
A. were sold
B. sell
C. have sold
D. are being sold
▪This kind of cloth __C__ easily．
A. has washed
B. was washed
C. 百度文库ashes
D. is washed
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➢2.不定式在某些形容词后作状语,且和句子的主 语(或宾语)构成动宾关系时,用主动式表被动义。 difficult,easy,hard,fit,pleasant,good, comfortable,light,heavy,safe,…