初中英语被动语态讲解及练习.ppt

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1、被动语态PassivevoiceRenee.Ran被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由be+过去分词构成，时态通过be表现出来。IspeakChinese.Chineseisspokenbymy.基本结构：A+be+过去分词+（byB）时态被动语态结构一般现在时一般过去时一般将来时am/is/are+donewas/were+doneShallwillbe+done情态动词+be+done1.规则动词的过去分词：1)一般情况在动词原形后加-edwatch---watched2)以不发音e结尾的

2、加-dpractice---practiced3)以辅音加y结尾的，去y变i加-edstudy---studied4)以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-edstop---stopped2.不规则动词的过去分词：amisarebeenhavehashaddodonewritewrittengogoneHeplantstreesinspring.主（执行者）谓宾(承受者)Treesareplantedbyhim改为被动语态inspring.主动语态变被动语态口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。isspokenbyHespeaksEngl

3、ish.EnglishEnglish.Hehim.主（执行者）谓宾(承受者)主动语态：主语+动词+宾语被动语态：主语+be+过去分词+by+宾语主动语态变被动语态口诀：宾语提前主语变，原主变宾by后见，时态人称be关键。ManypeoplevisitSanyaeveryyear.Sanyaisvisited(bymanypeople)everyyear.Peopleeatseafood.Seafoodiseatenbypeople.Peopletakephotosattheseaside.Photosaretakenattheseaside(bypeople).CaoWenxuanw

4、ritesthisbook.ThisbookiswrittenbyCaoWenxuan.1.Theymakeshoesinthatfactory.主语+谓语+宾语Shoesaremade(bythem)inthatfactory.主动语态：被动语态：Hisbrotherwashesbowlseveryday.主谓Bowlsarewashedbyhisbrothereveryday.宾(承受者)主动语态：被动语态：主语+am/are/is+动词过去分词+（by宾语）+其他一般现在时的被动语态：1、Heplantsflowersinspring.Flowers___________ins

5、pring_________.2、Theycleantheclassroomeveryday.Theclassroom_________by_____everyday.3、Motherwashesthedisheseveryday.Thedishes_________bymothereveryday.areplantedbyhimiscleanedarewashed练一练them主动：Childrenplanttreesinspring.被动：Treesareplantedbychildreninspring.一般疑问句：Aretreesplantedbychildreninspri

6、ng?回答：Yes,theyare.No,theyaren’t.主动：Theycleantheclassroomeveryday.被动：Theclassroomiscleanedbythemeveryday.一般疑问句：Istheclassroomcleanedbythemeveryday?回答：Yes，itis./No,itisn’t.仔细观察肯定句：Thebooksarereadbystudents.一般疑问句：Arethebooksreadbystudents?回答：Yes,theyare.No,theyaren’t.Arethecomputersusedbyhim?Theco

7、mputersareusedbythem.Arethecomputersusedbythem?Yes,theyare.No,theyaren’t.Thecarisusedbyhim.悟一悟：通过观察以上句子，你发现了什么？一般疑问句是怎样构成的？Wedrinkwatereveryday.Waterisdrunkeveryday.Iswaterdrunkeveryday?Yes,itis.No,itisn’t.通过观察，我们发现：被动语态的一般疑问句是这样构