一.使役动词和感官动词的被动语态。在see,watch,hear,notice,listento,lookat,feel,make,,have,let等动词后作宾语补足语的动词不定式都不带to,但改成被动语态后都带to,Weoftenhearhimplaytheguitar.→Heisoftenheardtoplaytheguitar.Hismothermakeshimcleantheroomeveryday.→Heismadetocleantheroomeveryday.Iheardhimtalkaboutthatmatter.Hewasheardtotalkaboutthatmatterbyme.二.带双宾语的动词1.含有双宾语的主动句变被动句时,可分别将其中的一个宾语变为主语,另一个不动,一般变间接宾语为主语时比较多。Myunclegavemeapresentonmybirthday.Iwasgivenapresentonmybirthday.如果把直接宾语(指物)改为主语,则在间接宾语(指人)前加适当的介词,如上句还可以说:Apresentwasgiventomeyesterday.注意:一般在下列动词后,常在间接宾语前用介词to,如:bring,give,lend,offer,pass,promise,sell,show,teach,tell等。Thecupwithmixturewasshowedtotheclass.Mybikewaslenttoher.一般在下列动词后,间接宾语前用介词for,如:buy,cook,choose,fetch,get,,make,order,sing,draw等。Mothermademeanewskirt.(Anewskirtwasmadeforme.)Themeatwascookedforus.2.由动词+介词或副词构成的短语动词,要把它们作为整体看,即把它们看成一个及物动词,介词或副词不可拆开或漏掉这类动词有laughat,operateon,lookafter,makefunof,makeuseoftakecareof,,carryout,,giveup,handin,pointout,putaway,putoff,turndown,workout,talkabout等。Hisrequestwasturneddown.Thesportsmeetwillbeputoffbecauseofthebadweather.Achildistakengoodcareof3.带复合宾语(宾语+宾补)的动词改为被动语态时,一般把主动结构中的宾语改为主语,而宾语补足语保留在谓语动词后面。如:a,动词+宾语+adjWealwayskeeptheclassroomclean.→Theclassroomisalwayskeptclean.b.动词+宾语+todoShetoldustofollowherinstructions.→Weweretoldtofollowherinstructions.C,动词+宾语+doingIfoundhimlyingonthefloor→hewasfoundlyingonthefloor三.某些动词用主动表被动.1.Thepicturelooksbeautiful.这里的look是表状态特征的连系动词,它后面要求跟形容词或名词构成系表结构,其主动形式表被动含义。感官系动词一般用主动形式表示被动意义,如:feel,look,seem,taste,sound,remain,turnout,smell等。误:Itisfeltverysoft.Thefoodtastesdelicious.误:Thefoodistasteddelicious.Thepopmusicsoundsbeautiful.误:Thepopmusicissoundedbeautiful2.有些动词既是及物又是不及物,当它们和well,badly,easily等副词连用时,表示主语内在品质或性能,是不及物动词,用主动表示被动,这时不用被动语态,常见的有:write,read,clean,sell,dry,wash,cook,wear等。如:Theclothwasheseasily.这布很好洗。SomesilkswashwellThenewproductsellswell.这新产品很畅销。Thepenwritessmoothly.这支笔写字很流畅。Thepoemreadsfluently./对比:Thebookssellwell.(主动句)Thebooksweresoldout.(被动句)Themeatdidn’tcookwell.(主动句)Themeatwascookedforalongtimeoverlowheat.(被动句)四.下列情况主动句不能改为被动句第一,一些不及物动词短语没有被动语态,如:takeplace,comeabout,breakout,belongto,addupto,comeintobeing,cometrue,turnout等。Thefirebrokeoutinthecapitalbuilding.误:Thefirewasbrokeoutinthecapitalbuilding.GreatchangeshavetakenplaceinChina.误:GreatchangeshavebeentakenplaceinChina.第二,不及物动词没有被动语态,如:rise,happen,succeed,remain,lieWhenwegottothetopofthemountain,thesunhadalreadyrisen.误:Thesunhadalreadybeenrisen.Aftertheearthquake,fewhousesremained.误:Aftertheearthquake,fewhouseswereremained.(四)在汉语中,有一类句子不出现主语,在英语中一般可用被动结构来表示据说……Itissaid/thoughtthat…据报导……Itisreportedthat…据推测……Itissupposedthat…希望……Itishopedthat…众所周知……Itiswellknownthat…普遍认为……Itisgenerallyconsideredthat…有人建议……Itissuggestedthat…1)Itisreportedthatitisgoingtoraintomorrow.2)ItiswellknownthatThomasEdisoninventedtheelectriclamp.3)ItissaidthatMr.GreenhasarrivedinBeijing.