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1、小学英语语法:动词的语态动词的语态语态有两种：主动语态和被动语态。主语是动作的发出者为主动语态;主语是动作的接受者为被动语态。1)若宾语补足语是不带to的不定式，变为被动语态 时，该不定式前要加"to"。此类动词为感官动词。feel,hear,help,listento,lookat,mak英语e,observe,see,notice,watchTheteachermademegooutoftheclassroom.-->Iwasmadetogooutoftheclassroom(bytheteacher).Wesawhimpl
2、ayfootballontheplayground.-->Hewasseentoplayfootballontheplayground.2)情态动词+be+过去分词，构成被动语态。Coalcanbeusedtoproduceelectricityforagricultureandindustry.12.1let的用法1)当let后只有一个单音节动词，变被动语态时，可用不带to的不定式。Theyletthestrangego.--->Thestrangewasletgo.2)若let后宾补较长时，let通常不用被动语态，而用all
3、ow或permit代替。Thenurseletmegotoseemyclassmateinthehospital.---->Iwasallowed/permittedtoseemyclassmateinthehospital.12.2短语动词的被动语态短语动词是一个整体，不可丢掉后面的介词或副词。Thisisaphotoofthepowerstationthathasbeensetupinmyhometown.MysisterwillbetakencareofbyGrandma.Suchathinghasneverbeenhea
4、rdofbefore..12.3表示"据说"或"相信"的词组believe,consider,declare,expect,feel,report,say,see,suppose,think,understandItissaidthat… 据说Itisreportedthat…据报道Itisbelievedthat… 大家相信Itishopedthat… 大家希望Itiswellknownthat…众所周知Itisthoughtthat… 大家认为Itissuggestedthat… 据建议Itistakengrantedth
5、at… 被视为当然Ithasbeendecidedthat…大家决定Itmustberememberthat…务必记住的是ItissaidthatshewillleaveforWuhanonTuesday.12.4不用被动语态的情况1)不及物动词或动词短语无被动语态：appear,diedisappear,end(vi.结束),fail,happen,last,lie,remain,sit,spread,standbreakout,cometrue,fallasleep,keepsilence,loseheart,takepla
6、ce.Afterthefire,verylittleremainedofmyhouse.比较：rise,fall,happen是不及物动词;raise,seat是及物动词。(错)Thepricehasbeenrisen.(对)Thepricehasrisen.(错)Theaccidentwashappenedlastweek.(对)Theaccidenthappenedlastweek.(错)Thepricehasraised.(对)Thepricehasbeenraised.(错)Pleaseseat.(对)Pleasebes
7、eated.要想正确地使用被动语态，就须注意哪些动词是及物的，哪些是不及物的。特别是一词多义的动词往往有两种用法。解决这一问题唯有在学习过程中多留意积累。2)不能用于被动语态的及物动词或动词短语：fit,have,hold,marry,own,wish,cost,notice,watchagreewith,arriveat/in,shakehandswith,succeedin,sufferfrom,happento,takepartin,walkinto,belongtoThiskeyjustfitsthelock.Yours
8、toryagreeswithwhathadalreadybeenheard.3)系动词无被动语态：appear,bebecome,fall,feel,get,grow,keep,look,remain,seem,smell,sound,stay,taste,tu
