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初中英语语法 ppt课件.ppt

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初中英语语法 ppt课件.ppt

上传人:幻影 2021/2/6 文件大小:765 KB

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文档介绍:初中英语语法
被动语态
2020/12/2
1
动词的语态
1.英语中动词有两种语态:
主动语态表示主语是谓语动词的执行者。
被动语态表示主语是谓语动作的承受者。例如:A talk on science will be given in our school next 。
2.
被动语态由“助动词be+及物动词的过去分词”构成。助动词有人称、数和时态的变化,其变化规则与be作为连系动词时完全一样。其后的实义动词必须为及物动词,或“动词+介词”构成的及物动词短语。
下面介绍动词各种时态的主动、被动语态的结构:
被动语态基本构成:be+过去分词
被动语态的构成
2020/12/2
2
精品资料
2020/12/2
3
你怎么称呼老师?
如果老师最后没有总结一节课的重点的难点,你是否会认为老师的教学方法需要改进?
你所经历的课堂,是讲座式还是讨论式?
教师的教鞭
“不怕太阳晒,也不怕那风雨狂,只怕先生骂我笨,没有学问无颜见爹娘 ……”
“太阳当空照,花儿对我笑,小鸟说早早早……”
2020/12/2
4
时 态
主动语态
被动语态
1
一般现在时
do/does
am/is/are+过去分词
2
一般过去时
did
was/were+过去分词
3
一般将来时
will/be going to+动词原形
will/be going to+be+过去分词
4
过去将来时
would+动词原形
would+be+过去分词
5
现在进行时
am/is/are+现在分词
am/is/are+being+过去分词
6
过去进行时
was/were+现在分词
was/were+being+过去分词
7
现在完成时
have/has+过去分词
have/has+been+过去分词
8
过去完成时
had+过去分词
had+been+过去分词
9
含情态动词
情态动词+动词原形
情态动词+be+过去分词
各种时态的主动语态和被动语态谓语结构对照表
2020/12/2
5
1、The Chinese food _____ to be the healthiest in the world.
A. considers B. is considering
C. is considered D. has considered
2、John __,for he went swimming yesterday without permission.
A. would punished B. had punished
C. punished D. was punished
3、---- Have you moved into the new house ?
---- Not yet .Rooms _______.
A. are painting B. are painted
C. are being painting D. are being painted
一般时态:am/is/are +过去分词
现在进行时态:am/is/are +being +过去分词
过去时态:was/were +过去分词
各种时态的被动结构练****br/>2020/12/2
6
4、Mr. Wu was in hospital . when we went to see him , he
______on .
A. operated B. was operated
C. was operating D. was being operated
5、The new school ______ when the new term begins.
A. finishes B. will finish
C. will be finished D. would finish
6、The old scientist said that he ______ to visit their country before long .
A. invited B. had invited
C. was inviting D. would be invited