2018 被动语态简单版.ppt

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1、主动语态变被动语态的方法1.把主动语态的宾语变为被动语态的主语。2.把主动语态的谓语变为被动语态的谓语。3.把主动语态的主语变为被动语态的by短语。（①by短语可以省。②by短语后跟代词的宾格。）bymanystudents.主动语态变被动语态的方法1.ManystudentsstudyEnglish.Englishisstudied2.Theymakeshoesinthatfactory.Shoesaremadebytheminthatfactory.1.Theyboughttencomputerslastter

2、m．bythemlastterm.2.一般过去时的被动语态结构：was/were+过去分词lastyear.2.Weplantedmanytreeslastyear.ManytreeswereplantedTencomputerswerebought3.一般将来时的被动语态结构：willbe+过去分词1.Theywillfinishtheworkintendays.bythemintendays.Theworkwillbefinished2.Tomwillcleantheroomtomorrow.Theroomwi

3、llbecleanedbyTomtomorrow.6.现在完成时的被动语态的结构have/has＋been＋过去分词1.Wehavemadetwentymorekeys．byus.Twentymorekeyshavebeenmade2.Wehavefinishedourcompositions.Ourcompositionshavebeenfinishedbyus.4.含有情态动词的被动语态结构：can/may/must/should+be+过去分词1.AmycantakegoodcareofGina．byAmy.

4、Ginacanbetakengoodcareof2.Youshoulddrinkmorewater.Morewatershouldbedrunkbyyou.被动语态的构成一般现在时：一般过去时：一般将来时：过去将来时：现在进行时：过去进行时：现在完成时：过去完成时：含有情态动词:was／were＋doneam／is／are＋donewill／shallbe＋donewas／were＋being+doneam／is／arebeing＋donehave／hasbeen＋donehadbeen+done情态动词(canm

5、aymustshould…)＋be＋donewould＋bedone用所给词的适当形式填空，巩固语法结构。1. The old man is ill. he __________ (must send) to the hospital.2. Vegetables and fruits_______________(sell) in this shop.3. A piano concert ________________(give) here last Friday.4. The stars ___________

6、_______ (can see) in the daytime.5. A beautiful horse ____________   (draw) by John tomorrow.mustbesentaresoldwasgivencanbeseenwillbedrawn如：1.Hegavemeabook.2.Hebuysusadictionary.1.带双宾语句子的被动语态givesbsth//givesthtosbbuysbsth//buysthforsbIwasgivenabookbyhim.（以I做主语

7、）AbookwasgiventomebyTom.（以物book作主语）Weareboughtadictionarybyhim.（以人当主语）Adictionaryisboughtforusbyhim.（以物作主语）sbbegivensthsthbegiventosbgivesbsthbuysbsthsbbeboughtsthsthbeboughtforsb即hear,make,watch,see,notice,feel，这些词在主动句中，其后的动词不定式不加to，但变被动句时必须加to.1.Isawhimplayb

8、asketballlastSunday.HewasseentoplaybasketballlastSunday.2.Weheardthemsingintheclassroom.Theywereheardtosingintheclassroom.2.省略to的动词不定式的被动语态1.seesbdosth//sbbeseentodo2.hearsbdosth//