新人教版选修八 Unit 5 Meeting your ancestors-Grammar[课件]

PresentPerfectContinuousUnit5MeetingyourancestorsMyyoungerbrotherthenet.hasbeenaccessingThebabyfor1hour.hasbeensleepingTheybasketballalltheday.havebeenplayingTheboyabookforalmost4hours.hasbeenreadingHewithhisgirlfriend.hasbeentalkingThetelephoneforalmostaminute.Thesoundhascontinuedaboutoneminute.Thetelephoneisringing.hasbeenringingTheyoungboyTV.hasbeenwatchingThetworobotssincetheyhavebeenmade.havebeendancingandsingingIdon,tknowwhythepig.hasbeenrunningTheyhasbeenplayinggamesintheschool.PlaygamesOh,youhavecomeatlast!Ihavebeenwaitingforyoufortwolonghours.(我等了你足足两个小时)I,msorry!Youhavebeencrying.(你一直在哭.)Ihavebeenknocking.Idon’tthinkanybody’sin.(我一直在敲门。我想没人在里面。)Youarehere!Ihavebeenlookingforyoulong.（我找了你老半天）现在完成进行时•1.构成形式：has\havebeendoing2.用法1,叙述某一动作从过去开始一直继续到现在仍在继续之中或刚刚停止。经常与for,since,recently,allmorning/day/week,howlong,allthetime用在一起。1)Youhavebeenstudyingforfourstraighthours.Whydon’tyoutakeabreak?2)Thetelephonehasbeenringingforalmostaminute.Whydoesn’tsomeoneanswerit?2,叙述从过去某时开始一直继续到现在，但不再继续下去的事情。－－带有浓厚的感情色彩，强调持续了“那么久”或做得“那么辛苦”1)Oh,youhavecomeatlast!Ihavebeenwaitingforyoufortwolonghours.(我等了你足足两个小时)2)Youarehere!Ihavebeenlookingforyoulong.（我找了你老半天）3,叙述“最近”一直从事的工作或活动。－－lately,recentlyWhat’sthematter?Youreyesareredandpuffy.Haveyoubeencrying?(你是不是一直在哭？)4,叙述从过去某时到现在，或最近，一再重复的动作。Ihavebeenknocking.Idon’tthinkanybody’sin.(我一直在敲门。我想没人在里面。)Ihavebeenwritingletterssincebreakfast.(我从早餐起就一直在写信)ThePresentPerfectTense现在完成时:基本用法现在完成时表结果,他的动作发生在过去,但是对现在有影响,而这种影响却往往是说话人的兴趣所在。现在完成时跨越两个时间,一个是过去,另一个是现在。Lead-ine.g.我从1975年起就学英语。IhavestudiedEnglishsince1975.自12世纪以来,中国就使用彩色印刷了。TheyhavedonecolorprintinginChinasincethe12thcentury.Consolidation1.——Hi,Tracy,youlooktired.——I'mtired.I___inthelivingroomallday.A.paintedB.hadpaintedC.havebeenpaintingD.havepainted2.—Thereissomuchsnowthesedays,isn'tthere?—Yes,it____forafewdays.A.wassnowingB.hasbeensnowingC.hadbeensnowingD.snowed3.Althoughthesescientists____ontheprojectfornearlyfouryears,Idon'tknowhowlongitwilllast.A.havebeenworkingB.hadworkedC.wereworkingD.areworking4.Nowthatsheisoutofjob,Lucy____goingbacktoschool,butshehasn'tdecidedyet.A.hadconsideredB.hasbeenconsideringC.consideredD.isgoingtoconsider5.Thelittleboyisdirtyfromheadtofootbecausehe___inthemudallmorning.A.hasplayedB.isplayingC.hasbeenplayingD.wasplaying6.Sinccethebeginningofthevocation,I___acrossthecountry,andmynextstopistheWuyiMountain.A.hastraveledB.willtravelC.havebeentravelingD.wastraneling1.A:---IamsorryI_________(keep)youwaitingsolong.B:---Itisallright.I________________(read)thenewspapers.2.TheCCTV____________________(broadcast)Englishprogrammerseversince1977.用现在完成时和完成进行填空:havekepthavebeenreadinghasbeenbroadcasting3.You_______(feel)betterwhenyou__________(take)themedicine.4.Shesaidwe__________(maykeep)thebookaslongaswe_____(like).5.PleasewakemeupifI___still_______(sleep)whenyou_____(come).6.Mysister________________(learn)Englishsinceshe____(be)achild.She______(speak)Englishfluentlynow.willfeelhavetakenmightkeeplikedamsleepingcomehasbeenlearningwasspeaks7.Myuncle________(come)toseeus.He_______(arrive)hereafewdaysago.I_________(start)forSydneytomorrowmorning.8.He_____(break)hisglasseswhenhe___________(play)inafootballmatch.hascomearrivedamgoingtostartbrokewasplaying下列各句均有一处错误，请指出并改正。1.Thewaterhasbeenrunthewholenight.2.Hello,Tom.Ihavelookingforyouallmorning.Wherehaveyoubeen?runningrunbeen3.Hiscoolexpressionsuggestedthathewanttoleave.4.Hetriedtoharmotherpeople,onlytoruininghimself.5.IfonlyIcanspeakseveralforeignlanguages!wantwantedruiningruincancould6.Wecanallleavetogether—assumedthattheothersaren’tlate.7.Paulisverytired.Hehadbeenworkingveryhardallmorning.hasassumedassuminghad1.Learnusefulwordsandexpressionsbyheartandpracticethem.2.FinishEx.1and2onpages40,79and80.Homework