unit6grammar现在完成时的被动语态参考课件

Part3Grammar,Passivevoiceinpresentperfecttense,Letsreview!,现在完成时,1.presentperfecttense结构：have/has+过去分词e.g.Ihavefinishedmyhomework.Shehaslivedhereforthreeyears.,现在完成时(have/has+过去分词)现在完成时的动作或情况虽然发生在过去，但它强调的是与现在的关系。现在完成时不能与表示确定的过去时间的状语连用,如:yesterday,twoweeksago,in1978,whenIgotthere等,现在完成时常与already,ever,never,yet,not.yet，recently,lately等不表示明确的时间副词连用,还可以和表示时间一直延续到目前的带since,for的状语及包括现在在内的词连用,如:now,today,thismonth,thisyear,recently,thesefewdays,inthepastyears等。,Haveatry!,Fillintheblankwiththerightformoftheverbgiven.Eddie_(come)toMilliefamilytwoyearsago.Eddie_(live)withMilliesincehewasborn.Eddie_(eat)Milliesfood,sonowHobohasnothingtoeat.,came,haseaten,haslived,?,am/is/are+p.p,was/were+p.p,1TreesareplantedbystudentsinMarcheveryyear,Thelittlegirlwassavedbyapoliceman,3Manytallbuildingswerebuiltlastyear,Thehomeworkhasbeenfinished.Manynewbuildingshavebeenbuiltsince2000.Lawshavebeencreatedtohelpprotecttheenvironment.Newwayshavebeenfoundtocreateelectricityfromthesun,thewindandthewater.,Peoplehavealsocreatedlawstohelpprotecttheenvironment.,Laws,havealsobeencreated,(bypeople),tohelpprotecttheenvironment.,Turntopage73andreadtheExercisePartA.Pleaselookatthetenseusedinthesentencesyouhavepickedoutandthinkoverthefollowingquestion:Whatisthestructureofpassivevoiceinpresentperfecttense?,Letsfind!,1.Thisbike_lastyear.A.boughtB.hasbeenboughtC.wasboughtD.hadbeenbought,2.English_inCanada.A.speaksB.arespokenC.isspeakingD.isspoken,3.Idliketobuythatcoat.-Imsorry._.itsoldB.itssellingC.ItsbeensoldD.ithadbeensold,4.Thesepapers_yet.A.havenotwrittenB.havenotbeenwrittenC.hasnotwrittenD.hasnotbeenwritten,5.Thebooks_fortwoweeks.havekeptB.havebeenkeptC.keptD.borrowed,6.Thebridges_twoyearsago.isbuiltB.builtC.werebuiltD.wasbuilt,7.Greatchanges_inthepasttenyearinChina.A.tookplaceB.havetakenplaceC.weretakingplaceD.hadtakenplace,PassiveVoiceinPresentPerfectTense,【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,have/has+do,been+p.p.,have/has+been+p.p.,has只用于第三人称.,Newwayshavebeenfoundtocreateelectricityfromthesun,thewindandwater.,Manyfishhavebeenkilledbywaterpollution.,Ameetinghasbeenheldbythegovernment.,Peoplehavefoundnewwaystocreateelectricityfromthesun,thewindandwater.,Waterpollutionhaskilledmanyfish.,Thegovernmenthasheldameetingrecently.,Newwayshavebeenfoundtocreateelectricityfromthesun,thewindandwater.,Manyfishhavebeenkilledbywaterpollution.,Ameetinghasbeenheldbythegovernment.,have/has,现在完成时,bedone(过去分词),被动语态,been,Have/hasnotbeendone否定结构,TheyhavenotbeentoldthetimeofMeeting.,tell,Notes：注意句中副词的位置。,often,usually,always,never,hardly,seldom等副词置于have/has和been中间。如:误Suchamanhasbeenhardlybelieved.正Suchamanhashardlybeenbelieved.,Letspractice!,1.Thepowerstation_inmyhometown.A.hassetupB.hasbeensetupC.wassetupD.issetup,2.-_thesportsmeetingwillbeputoff.A.IvebeentoldB.IvetoldC.ImtoldD.Itold,3.-Howlong_atthisjob?-Since1990.A.wereyouemployedB.haveyoubeenemployedC.hadyoubeenemployedD.willyoubeemployed,5.Whenandwheretogofortheon-salaryholiday_yet.A.arenotdecidedB.havenotbeendecidedC.isnotbeingdecidedD.hasnotbeendecided,5.Betty_injuredsincelastSaturday.A.hasbeenB.wasC.isD.has,Turntopage73anddotheExercise.Completetheirconversationusingthepassivevoice.,Letssummaries！,taketell”forexample,IhaveYouhaveHe/She/IthasWeh