请问谁有初三英语被动语态详解和句型实例
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请问谁有初三英语被动语态详解和句型实例
请问谁有初三英语被动语态详解和句型实例
请问谁有初三英语被动语态详解和句型实例
被动语态4 步曲
第1步：被动语态结构
被动语态的时态通过助动词be的变化来表示.经常考查的被动语态结构有：
一般现在时：am / is / are + 及物动词的-ed形式
一般过去时：was / were + 及物动词的-ed形式
一般将来时：will / shall + be + 及物动词的-ed形式
现在完成时：have / has been + 及物动词的-ed形式
含情态动词的被动句：情态动词（can / should / must等)+ be + 及物动词的-ed形式
第2步：主动句变被动句
☆主动句的宾语变为被动句的主语.当宾语含双宾语时,一般把代表人的宾语（即间接宾语）变为被动句的主语,而把直接宾语留作被动句的宾语.如果把主动句的直接宾语变为被动句的主语,则间接宾语前须加上介词（一般是for或to）.常接to的动词有：give,tell,lend,show,pass,hand等；常接for的动词有make,buy等.
☆主动句的谓语动词变为被动形式,要注意助动词be的时态与主动句的时态保持一致,数与被动句的主语保持一致.
☆主动句的主语变为被动语态中by的宾语（如为代词,主格要变为宾格）.
第3步：被动语态特例展示
特例1
主动句中的谓语是“一感觉(feel)”、“两听(hear,listen to)”、“三使(make,let,have)”、“四看(see,watch,look,notice)”时,其后作宾语补足语的动词不定式不用to,但变为被动句时,动词不定式符号to要补上.
如：Someone noticed Mr Yu leave the office at about 9 am.
→Mr Yu was noticed to leave the office at about 9 am.
特例2
短语动词是一个不可分割的整体,在变为被动句时,不可丢掉构成短语动词的介词或副词,也不能将其拆开.
如：The workers put up a tall teaching building in our school last year.
→A tall teaching building was put up in our school last year
第4步：考点预测训练
将下列句子改为被动句.
1.The professor will give the students an English speech tomorrow.
An English speech to the students by the professor tomorrow.
2.They have painted their new house blue.
Their new house blue by them.
3.Mom bought me an MP4 player last weekend.
I an MP4 player by Mom last weekend.
An MP4 player by Mom last weekend.
4.The joke Lisa told made all of us laugh.
All of us by the joke Lisa told.
5.You should take good care of these books.
These books .
参考答案：
1.will be given 2.has been painted
3.was bought; was bought for me
4.were made to laugh 5.should be taken good care of
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