九上Unit3被动语态.ppt

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1、中考专项复习ThePassiveVoice被动语态复习要点一、被动语态的基本结构二、被动语态的各个时态三、被动语态中的特殊情况1.语态分类：主动语态：主语是动作的执行者。Wecleantheclassroomeveryday.被动语态：主语是动作的承受者。Theclassroomiscleanedbyuseveryday.主：Thechildrenlikethecomputergames.被：Thecomputergamesarelikedbychildren.主：Shewaterstheflowerseveryday.被：The

2、flowersarewateredbyhereveryday.2.主动变被动的方法:Shewaterstheflowerseveryday.—————宾________________be+过去分词—————by+宾语—————谓———主总结:主动语态被动语态①宾语→②谓语→③主语→其他→主语be+过去分词by+宾语不变Theflowersarewateredbyhereveryday.________________主时态看原句人称数看新主语被动语态的基本结构:be+过去分词考点一:有各种时态的变化3.被动语态的各个时态：You

3、arewantedonthephone.Footballisplayedallovertheworld.Iamoftenaskedtodothiswork.①一般现在时：is/am/are+过去分词②一般过去时：was/were+过去分词ThesenewcarsweremadeinTianjinin2003.ThebookwaswrittenbyLuXun.Thetreewasplantedlastyear.③一般将来时：will/shall/begoingtobe+过去分词Thebuildingwillbecompletedne

4、xtyear.ThestudentsaregoingtobesenttoHongKongtostudy.④现在进行时：is/am/are+being+过去分词Anewbuildingisbeingbuiltinourschool.Thebridgesarebeingrepairednow.Anewroadisbeingbuilt.⑤过去进行时：was/were+being+过去分词AnewroadingwasbeingbuiltwhenIcamebacklastyear.Thebridgeswerebeingrepairedatt

5、histimelastyear.⑥现在完成时：have/has+been+过去分词⑦过去完成时：had+been+过去分词TheseworkshavebeentranslatedintomanylanguagesApowerstationhasbeenbuiltinourcity.AnewhotelhadbeenbuiltwhenIgotthere.Theletterhadbeenfinishedbeforehermothercameintoherbedroom.⑧含情态动词：情态动词+be+过去分词Theworkcanbeeas

6、ilydone.Otherplanetsmaybevisitedinthefuture.Scientificresearchshouldbedonecarefully.————————2.主动变被动的方法:Shewaterstheflowerseveryday.—————宾________________be+过去分词—————by+宾语—————谓———主总结:主动语态被动语态①宾语→②谓语→③主语→其他→主语be+过去分词by+宾语不变Theflowersarewateredbyhereveryday.____________

7、____主时态看原句人称数看新主语考查要点：被动语态一般现在时一般过去时一般将来时含有情态动词am/is/are+donewas/were+donewill/shall/begoingto+be+done情态动词+be+done1.Allthestudents__________(ask)tobringakitewiththemlastSunday.2.Thephotos__________(take)byAmericanchildrenyesterday.3.Somephotos_________(take)byAmerican

8、childrenareverynice.4.ThePRC_____________(found)onOctober1,1949.5.Largenumbersofplasticbags__________(use)inthesupermarketse