现在完成时被动语态

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1、1helphelpedhelpedV原形过去式过去分词2changechangedchanged3studystudiedstudied4planplannedplannedbegbeggedbeggedstopstoppedstopped5givegavegiven动词的过去式和过去分词规则：1+ede+dyi+ed重读闭音节，末尾只有一个辅音字母，双写辅音字母+ed动词的过去式和过去分不规则复习：写出下列动词的过去式和过去分词helpchangestudyplanbegstopgiveThi

2、ssongbychildrenThesebooksbygirls.1一般现在时(simplepresenttense)的被动语态：S(主语）+am/is/are+done(过去分词)Thesportsmeetinginourcitylastyear.2一般过去时(simplepasttense)的被动语态：S+was/were+done(过去分词)isoftensungareoftenborrowedwasheld复习各时态（tense)的被动语态(passivevoice)：Thisworke

3、asily.3情态动词(Modalverb)的被动语态：S+can/may/must/should+be+doneManybuildingsinmyhometown.4一般将来时(futuretense)的被动语态：S+willbe+donewillbebuilt复习各时态（tense)的被动语态(passivevoice)：canbedone现在完成时(presentperfecttense)的被动语态：S+have/has+been+done(过去分词)1OvertimeIhavebeenc

4、hangedquitealot.2FirstasaPCandthenasalaptopIhavebeenusedinofficesandhomessincethe1970s.3…IneverforgetanythingIhavebeentold!4Sincethe1970smanynewapplicationshavebeenfoundforme.5Ihavealsobeenputintorobotsandusedtomakemobilephones…6Ihaveevenbeenputintos

5、pacerocketsandsenttoexploretheMOonandMars.Discoveringusefulstructuresfromthepassageonp18:现在完成时的被动语态：thepresentperfectpassivevoiceS+have/hasbeen+done(过去分词)现在完成时的被动语态表达以下两个概念：1.说话时已经完成的动作或出现的结果。2.主语是行为动作的承受者，在使用现在完成时的被动语态时要注意以下两点：过去分词前有两个助动词have/has和be

6、en。2.必须表示被动。Ihavebeentoldaboutitmanytimes．Thebridgehasjustbeenbuilt．1.现在完成时被动语态肯定句句型：主语+have/hasbeen+过去分词Hermotorbikehasbeenstolen.2.现在完成时被动语态否定句句型：主语+have/has+not+been+过去分词Thetaskhasnotbeenfinishedyet.Manyskilledworkershavenotbeentrainedinthecompany

7、.Thepresentperfectpassivevoice(肯定句、否定句:3.现在完成时被动语态一般疑问句句型：Have/Has+主语+been+过去分词...?Hasanewcomputerbeenbought?HavetheybeensentabroadtostudyEnglish?4.现在完成时被动语态特殊疑问句句型：疑问词+have/has+主语+been+过去分词...?Wherehasthecarbeenrepaired?Whohavebeenhelpedbythenewcomp

8、uter?Howmanybuildingshavebeenbuiltinthisschool?Thepresentperfectpassivevoice(疑问句）:Workershavebuiltthehousesincetwoyearsago.sincetwoyearsago.Exercise1:Changethesentencesintothepresentperfectpassivevoice动作的执行者动作的承受者谓语动词Thehousehasbeenbuiltbyworkers1Weh