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1、 现在完成时Haveyoufinishedyourhomework?SectionBB1 Grammar现在完成时现在完成时 I1.构成：构成：have/has done2.用法：用法：(1)过去发生的动作或状态持续到现在过去发生的动作或状态持续到现在(可能还将持续下去可能还将持续下去)的动作。的动作。标志词标志词：lately,recently,sincethen,uptonow,sofar(至今),inthelast/pastfewyears(在过去的这几年里).since+时间点,for+时间段 如：Inthepastfewyears,greatchangeshavetakenplace
2、inmyhometown.Hehaswritten8bookssofar.(2)一件已经发生的事情对现在造成的影响。一件已经发生的事情对现在造成的影响。标志词标志词：already,just,yet,never,before.如：Hehasjustturnedoffthelight.Ihavealreadyseenthefilm.(3)This/Itisthefirst/secondtime+that从句。that从句的谓语要用现在完成时。如：Thisisthefirsttime(that)Ihavecomehere.(4)在条件、时间、让步状语从句中，表示将来某时间以前已完成的动作。在条件、
3、时间、让步状语从句中，表示将来某时间以前已完成的动作。如：IwillnotbelieveyouunlessIhaveseenitwithmyowneyes.(强调看完)IwillgowithyouassoonasIhavefinishedmywork.(强调做完)3.现在完成时和一般过去时的区别：现在完成时和一般过去时的区别：现在完成时强调的是影响；一般过去时强调的是动作。现在完成时强调的是影响；一般过去时强调的是动作。如：Hehascleanedtheclassroom.他打过扫教室了。（教室已经干净了,不用再扫了）Hecleanedtheclassroom.他打扫教室了。（现在干不干净，不
4、知道）Ihavelostmynewbook.我把新书丢了。(现在还未找到)Ilostmynewbookyesterday.我昨天把新书丢了。(昨天丢的，现在找到与否没说明)Practice()1.Meltingice(融冰)cancausesealevelstorise.Since1993,sealevels_ataspeedof3.2cmevery10years.(2019山东临沂)A.roseB.haverisenC.rise()2.-Itstenyearssincewecamehere.-Howtimeflies!We_inChinaforsolong.(2019安徽)A.workB.w
5、orkedC.willwork D.haveworked()3.-HaveyoueverbeentoShanghai?-Ofcourse.Actually,I_thereforsixyearsbutnowIliveinTaizhou.(2019江苏泰州)A.workedB.wasworkingC.wouldwork D.haveworked()4.-WhereisMr.Green?-He_thebookshop.Youhavetowaitforhim.(2019湖南郴州)A.wasgoingtoB.hasgonetoC.hasbeentoBDDB()5.Ithasbeentwomonthssi
6、ncemyfather_forItaly.(2020黑龙江龙东)A.wasleftB.leftC.leaves()6.Bob,you_inthiscitysince2018.Howdoyoulikeit?(2020四川成都)A.livedB.liveC.havelived()7.Sofar,thenumberofpeopleusing5Gmobilephones_alot.(2020湖北孝感)A.isincreasingB.areincreasingC.hasincreasedD.haveincreased8.-WillyougoandseethemovieNetMotherwithme?-T
7、hankyou.ButI_(see)italready.(2018山东济宁)9.I_(receive)aninvitationtotheconcert.Icantwaittogo.(2018河北)10.我想知道他们是否已经去过那家新的书店。(2020江苏苏州)_BCChaveseenhavereceivedIwanttoknowwhethertheyhavealreadybeentothenewbookstore.()5.Ithasbeentwomonthssincemyfather_forItaly.(2020黑龙江龙东)A.wasleftB.leftC.leaves()6.Bob,you_
8、inthiscitysince2018.Howdoyoulikeit?(2020四川成都)A.livedB.liveC.havelived()7.Sofar,thenumberofpeopleusing5Gmobilephones_alot.(2020湖北孝感)A.isincreasingB.areincreasingC.hasincreasedD.haveincreased8.-WillyougoandseethemovieNetMotherwithme?-Thankyou.ButI_(see)italready.(2018山东济宁)9.I_(receive)aninvitationtoth
9、econcert.Icantwaittogo.(2018河北)10.我想知道他们是否已经去过那家新的书店。(2020江苏苏州)_BCChaveseenhavereceivedIwanttoknowwhethertheyhavealreadybeentothenewbookstore.Practice()1.Myfather_inapandaprotectioncenterfor10years,soheknowsalotaboutpanda.(2019广东)A.workB.workedC.willworkD.hasworked()2.-WhywontweplaybasketballwithCla
10、ss4thisafternoon?-Becausethey_Longzhongforastudytrip.(2019湖北襄阳)A.havegonetoB.havebeentoC.hadgonetoD.hadbeento()3.-WhereisCatherine?Ihaventseenherfordays.-SheWuhan.Shellbebacknextweek.(2019湖北黄冈)A.hasgonetoB.hasbeentoC.havegonetoD.havebeento()4.-WhatprogressHuawei_inrecentyears!-Nowonderitiswidelyknow
11、ninallpartsoftheworld.(2019湖北宜昌)A.ismakingB.hasmadeC.makesD.made()5.-Parisisawonderfulplace.-Soitis.I_theretwice.(2018四川凉山州)A.havebeenB.havegoneC.wentD.willgoAABAD()6.-Hi,Tony!_you_tothenewly-openedshoppingmall,Tangdao637lately?-Yes.Iwenttherewithmyparentslastweek.(2018青海西宁)A.Did;goB.Have;beenC.Have
12、;goneD.Do;go()7.I_theguitareversinceIwas8yearsold.(2020甘肃金昌)A.playedB.haveplayedC.amplayingD.willplay8.Sincethen,I_crazyaboutcrayonsandpaints.(2020甘肃金昌改编)9.Theeveningfell,butmyparents_comebackhomeyet.(2020内蒙古赤峰改编)10.Howareyou？I_(not,see)youforafewmonths.(2020山东济宁改编)BBhavebeenhaventhaventseenSectionB
13、B1 Grammar现在完成时现在完成时 III现在完成时可以和带有since或for等表示“一段时间”的状语连用,表示动作或状态从某一时刻开始,一直持续到现在。但是,像come,arrive,buy等终止性动词不能与表示“一段时间”的状语连用。如果要用，必须延续性动词来表述。如：Hisgrandfatherdiedtwoyearsago.Hisgrandfatherhasbeendeadfortwoyears.他爷爷去世两年了。Heleftfiveminutesago.Hehasbeenawayforfiveminutes.他离开五分钟了。延续性动词和短暂性动词之间的转化延续性动词和短暂性动
14、词之间的转化:leavebeawayfrom离开buyhave购买borrowkeep借用diebedead死去openbeopen打开becomebe成为begin/startbeon开始joinbein/beamemberof加入 come/get(back)beback 回来arrivein(at)/getto/reachbehere/there到达Practice()1.-Jenny,yournewtapeplayerlooksgreat.-Oh,itsnotnew.I_itforthreeyears.(2019广西玉林)A.buyB.havehadC.boughtD.haveboug
15、ht()2.-Iseveryonehere,Jonathan?-No.Sir.Millieisabsent.She_fortwodays.(2019江苏南通)A.hasfallenillB.hasbeenillC.fellillD.wasill()3.-Wherearetheteachersnow?-Inthemeetingroom.They_themeetingfor10minutes.(2019江苏淮安)A.havebegunB.havebeenonC.havehadD.havebeenheld()4.-Isthisyourcamera?-Yes,I_itfortwoweeks.(2018
16、广西)A.boughtB.hadC.havehadD.havebought()5.-Itstimetoworknow.-Ok,IllwakeCarlup.He_foranhour.(2018山东青岛)A.hasfallenasleepB.hasbeenasleepC.fellasleepD.fallssleepBBBCB()6.-Yournewwatchissonice!Whendidyoubuyit?-InApril.I_itfortwomonths.(2018湖北黄冈)A.havehad B.hadC.haveboughtD.bought()7.-WheredoyouliveLinTao?
17、-IliveinBeijingnow.I_herefortenyears.(2018湖南湘西)A.movedB.havemovedC.beenD.havebeen()8.He_hishometownfortwentyyears.Hereallymissesit!(2018黔西南)A.hasbeenawayfrom B.leftC.hasleftD.isawayfrom()9.TheGreatWallisaplaceofinterest.Allofus_therebefore.(2020贵州毕节)A.hasbeenB.havebeenC.hasgoneD.havegone()10.-Doyoumissyourparentsfaraway?-Yes,verymuch.They_thehometownforovertwoyears.A.leftB.haveleftC.wereawayfromD.havebeenawayfromADABD