九年级英语上册 语法专项 被动语态课件 （新版）仁爱版.ppt

thepassivevoice被动语态 英语中动词有主动语态和被动语态两种语态 主动语态表示主语是动作的执行者 被动语态表示主语是动作的承受者 在被动语态中动作的执行者有时用by短语表示出来 各种时态的被动语态构成 一般现在时 一般过去时 一般将来时 情态动词 过去进行时现在完成时 s am is are done s can may must should be done s will be done s was were being done s have has been done s was were done 各种时态的被动语态构成 一般现在时的被动语态 1 thepresentpassivevoice结构 am is are 过去分词e g tombreaksthebeautifulkite thebeautifulkiteisbrokenbytom 一般过去时的被动语态 2 thepastpassivevoice结构 was were 过去分词e g ourancientpeoplebuiltthegreatwall thegreatwallwasbuiltbyourancientpeople 一般将来时的被动语态 含义 表示将要发生的被动动作 后常跟表示将来时的时间状语 结构 summingup shall will do be p p shall will be p p shall只用于第一人称 will可用于所有人称 peoplewillpunishedyouifyoucutdownatree you willbepunished bypeople ifyoucutdownatree thesebottleswillberecycledtomakenewthings bypeople someclotheswillbesoldincharityshops moretreeswillbeplantedbythegovernment peoplewillrecycledthesebottlestomakenewthings peoplewillsellsomeclothesincharityshops thegovernmentwillplantmoretrees amycantakegoodcareofgina ginacanbetakengoodcareofbyamy 情态动词的被动语态 s can may must should be 过去分词 1 hecantakecareofthebaby 2 lucymaydrawthepictures 3 youmustturnoffthelights 4 theyshouldlearnenglishwell thebabycanbetakencareofbyhim thepicturemaybedrawnbylucy thelightsmustbeturnedoffbyyou englishshouldbelearnedwellbythem shewaterstheflowerseveryday theflowers everyday arewatered byher mymothersweepstheflooreveryday thefloorisswept bymymother everyday 2 iboughtacomputerlastterm acomputerwasbought byme lastterm thelightwasinvented bythomasedison thomasedisoninventedthelight thestudentsplantedmanytreesyesterday manytreeswereplanted bythestudents yesterday anncantakegoodcareofthecats thecatscanbetakengoodcareofbyann 情态动词 modelverb s can must should等情态动词 be 过去分词 weshouldcleantheclassroomeveryday theclassroomshouldbecleanedbyuseveryday 1 peopleuseknivesforcuttingthings knives forcuttingthings 2 thestudentscleanthewindowsoftheirclassroomtwiceamonth thewindowsoftheirclassroom twiceamonth areused are cleaned 变被动语态 3 ifoundtheticketonthefloor onthefloor 4 itoldhertoreturnthebookintime she toreturnthebookintime theticketwasfound wastold 5 lastyearwebuiltalibraryinourschool alibrary inourschoollastyear 6 nowpeoplecanusecomputerstohelpthem nowcomputers tohelpthem wasbuilt canbe used 7 didyouplantmanytreesatthistimelastyear atthistimelasttime 8 mustwefinishourworktoday ourwork today weremanytreesplanted mustbefinished 9 theforeignfriendsgaveussomewonderfulstamps 1 somewonderfulstamps 2 somewonderfulstamps weweregiven were giventous 10 theteacheraskedtomtoturnonthecomputer tom toturnonthecomputer 11 inthisfactorywomendomostofthework mostofthework bywomeninthisfactory wasasked isdone 1