初中英语被动语态总复习PPT课件.pptx

各种时态的被动语态结构:
: am/is/are + vt 过去分词
: was/ were + vt 过去分词
: 情态动词+be+ vt 过去分词
: will/shall +be + vt 过去分词
:
am/ is /are+being + vt 过去分词
:
was / were + being+ vt 过去分词
: have/has been + vt 过去分词
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知识点再现:被动语态
结构：be +动词的过去分词
意义：强调主语是动作的承受者
何时使用
变化方法
注意事项
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变化：
示例
The boy broke the glass.
The glass was broken by the boy.
从主动语态变为被动语态
介词by 宾语
加be,并变为过去分词
主语
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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：
S(主语）+am/is /are +过去分词
变为被动语态
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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
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Tom will clean the room tomorrow.
主
谓
宾(受动者)
The room
will be cleaned
by
Tom
tomorrow.
一般将来时;will be+动词的过去分词
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3．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
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5.
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
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7．I was doing my homework at 8:00 last night．
My homework was being done (by me) at 8:00 last night.
过去进行时：
S+ was/were+being+过去分词
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6．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
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