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ID:59504124
大小:2.69 MB
页数:47页
时间:2020-09-11
《初中英语被动语态讲解及练习演示教学.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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)1.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结尾的加-dpractice---practiced3)以辅音加y结尾的,去y变i加-edstudy---studied4
2、)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。isspokenbyHespeaksEnglish.EnglishEnglish.Hehim.主(执行者)谓宾(承受者
3、)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).CaoWenxuanwritesthisbook.Th
4、isbookiswrittenbyCaoWenxuan.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_________
5、__inspring_________.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:Aretr
6、eesplantedbychildreninspring?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,theya
7、re.No,theyaren’t.Arethecomputersusedbyhim?Thecomputersareusedbythem.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
8、这样构成的:Be+主语+过去分词+(by宾语)+其他练一练1、Heoftenwritesletterstohismother.Letters_____often__
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