现在完成时被动语态.ppt

冬天已经来了，春天还会远吗？,Ifwinterhasalreadycome,canspringbefaraway?,1helphelpedhelped,V原形过去式过去分词,2changechangedchanged,3studystudiedstudied,4planplannedplannedbegbeggedbeggedstopstoppedstopped5givegavegiven,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helpchangestudyplanbegstopgive,5,Thissong_often_(sing)bychildrenThesebooks_often_(borrow)bygirls.1一般现在时(simplepresenttense)的被动语态：S(主语）+am/is/are+done(过去分词)Thesportsmeeting_(hold)inourcitylastyear.2一般过去时(simplepasttense)的被动语态：S+was/were+done(过去分词),issung,areborrowed,washeld,复习各时态（tense)的被动语态(passivevoice)：,Manybuildings_(build)inmyhometowninthefuture.4一般将来时(futuretense)的被动语态：,S+willbe+done,willbebuilt,复习各时态（tense)的被动语态(passivevoice)：,现在完成时(presentperfecttense)的被动语态：S+have/has+been+done(过去分词)1OvertimeIhavebeenchangedquitealot.2FirstasaPCandthenasalaptopIhavebeenusedinofficesandhomessincethe1970s.3IneverforgetanythingIhavebeentold!4Sincethe1970smanynewapplicationshavebeenfoundforme.5Ihavealsobeenputintorobotsandusedtomakemobilephones6IhaveevenbeenputintospacerocketsandsenttoexploretheMoonandMars.,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been。2.必须表示被动。IhavebeentoldaboutitmanytimesThebridgehasjustbeenbuilt,1.现在完成时被动语态肯定句句型：主语+have/hasbeen+过去分词Herbikehasbeenstolen.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.,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?Whohavebeenhelpedbythenewcomputer?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,Thehouse,hasbeenbuilt,byworkers,1Wehavereceivedmanyletterssincelastweek.,Manylettershavebeenreceived(byus)sincelastweek.,Changethesentencesintothepresentperfectpassivevoice,2Myfriendhasboughtanewpersonalcomputer.Anewpersonalcomputerhasbeenboughtbymyfriend.3Theshophasrepairedmycomputerveryquickly.Mycomputerhasbeenrepairedbytheshopveryquickly.,Changethesentencesintothepresentperfectpassivevoice,Thebuildings,destroy,earthquake,Thebuildingshavebeendestroyedbytheearthquake.,Exercise2:Makingupsentencesusingpresentperfectpassivevoice:,machine,replace,computer,1Themachinehasbeenreplacedbythecomputer.,Makingupsentencesusingpresentperfectpassivevoice:,newbridge,build,inourcity,2Anewbridgehasbeenbuiltinourcity.,manytrees,plant,alongtheroad,3Manytreeshavebeenplantedalongtheroad,4Mycomputer,justattack,anunknownvirus.5theproblem,not,solve,we,yet6thecomputers,giveaway,to,alocalschool,thecompany,Mycomputerhasjustbeenattackedbyanunknownvirus.,Theproblemhasnotbeensolvedbyusyet.,Thecomputershavebeengivenawaytoalocalschoolbythecompany.,7Akindofintelligentrobot,develop,thescientists,Akindofintelligentrobothasbeendevelopedbythescientists.,Makeupthesentencesusingthepresentperfectpassivevoice.,PuttheChineseintoEnglishtocompletethesentences.1.Howmanyworkers_(send派遣)tobuildtherailway?2.WhydoesMarylooksounhappy?She_(laughat嘲笑)byherclassmates.,havebeensent,hasbeenlaughedat,Exercise3:,3.Itissaidthatthehouse_(闯进了)bytwothieves.4.Thetwopens_(未被拿走)byhim.5.Where_thetelevision_(已经修理了)?6.ThepriceofacolorTVset_(降价了)again.7.What_(已被译成)intomanyforeignlanguages?,havenotbeentakenaway,has,been,repaired,brokeninto,hasbeen,has,beenbroughtdown,hasbeentranslated,1.Thefloorinourclassroom_(mop)everyday2Manyaccidents_(cause)bycarelessdriving.3.I_(ask)tocleanmyroomonMonday.4We_(take)tothathospitalbyataxi.5Anewcoat_(buy)formebymymotherlastweek.6.Chinasfirsttelevisionstation_(setup)bytheworkersin1958,completethesentencesusingwordsgivenwithcorrectforms.,ismopped,arecaused,amasked,weretaken,wasbought,wassetup,7He_(recognize)assoonashearrivesatthiscity8Allthoseoldbuildings_(knockdown)tomorrow.9Anewvillagefortheathletesandallthestadiums_(build)totheeastofLondon.10.Doyouknowthethief_(catch)bythepolice?,hasbeencaught,willbeknockeddown,willberecognized,willbebuilt,completethesentencesusingwordsgivenwithcorrectforms.,1现在完成时的被动语态S+have/hasbeen+done(过去分词)2一般现在时的被动语态：S+am/is/are+done(过去分词)3一般过去时的被动语态：S+was/were+done(过去分词)4一般将来时的被动语态S+willbe+done,总结,Learningaboutlanguage,Fillthewordorexpressionforeachofthefollowingmeaningsfromthetext.,1_completechangeinwaysofthinking,working,etc2_connectedcomputersystem3_tomakethingseasier,revolution,network,simplify,LearningaboutLaguage,4_tofindtheanswerusingnumbers5_abletobemovedeasilyfromplacetoplace6_toworkouttheanswertoaproblem7_totravelaroundanareatofindoutaboutit,calculate,mobile,solve,explore,8_completely9_anyway10_activityofmanagingmoney,totally,anyhow,finance,Completethepassagewiththewordsbelow.,artificialtechnologyintelligentapplicationsexploreWebrealitylogically,Whenmybrotherwasinhighschool,hewasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseofit.,Helikedto_theWorldWide_andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.Whenh