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现在完成时态ThePresentPerfectTenseWherehaveyoueverbeen?---Ihavebeento…Wherehasshegone?---ShehasgonetoBeijing.1.HasChinaheldtheOlympicGamessofar?---No,ithasn’t.Ithasn’theldthem____.Ithas____heldtheOlympicGamesbefore.2.HasAmericaeverhadtheOlympicGames?---Yes,ithas.Ithas______hadthemforseveraltimes.3.WhichcountryhasjustheldtheOlympicGames?---Greecehasjustheldthem.4.HaveweChinesemadecontributionstogettingreadyforthecominggamesin/duringthepastyears?yetneveralready现在完成时态（时间状语）sofar/bynow/tillnowalready/yetnever/everjustbeforein/duringthepastyears一般过去时（时间状语）yesterdayagolastnight/week/…in1998atthatmomentjustnow现在完成时态：表示过去发生或已经完成的某一动作对现在造成的影响或结果，也可以表示过去已经开始，一直持续到现在的动作或状态。结构：have/has+done(动词的过去分词）现在完成时与一般过去时的区别：现在完成时表示过去发生的某一动作对现在造成的影响或结果，强调现在的情况，它与现在有密切的关系，它不能和表示过去的时间状语连用。一般过去时只表示过去的动作或状态，和现在不发生联系，可以和表示过去的时间状语连用。LiuXianghasgonetoFrance.LiuXiangwenttoFrancelastweek.A:Lookatthepicture,whoishe?B:He’WangZhizhi.He____ever______(play)basketballinAmerica.A:Buthe______(come)backfourdaysago.hasplayedcameA:Whichcountryisit?B:It’sEngland.A:Oh,Isee.It______(hold)theOlympicGamesmanyyearsago.B:Yes,it______already_____(hold)themseveraltimes.heldhasheldFillintheblanks:1.Tom_____just______(finish)hishomework.He____(do)itjustnow.2.Threeminutesago,he_____(call)MrSmith,buthe_____(benot)inatthatmoment.3.Alice____________(notsee)thefilmbefore,buthersister______(see)ittwodaysago.4.---_____Mike______(repair)thecomputeryet?---Yes,hehas.He_______(repair)ithimselflastnight.5.Thesecities___________(change)alotinthepastyears.6.Jack______(begin)tocollectstampsin2001,he___________(collect)alotofstampssofar.7.China_____already_____(have)thechancetoholdtheOlympicGames.hasfinisheddidcalledwasn’thasn’tseensawHasrepairedrepairedhavechangedbeganhascollectedhashadWhendidtheOlympicGamesbegin?---TheOlympicGames_____morethan2000yearsago.---TheOlympicGameshavebeenpopularintheworld____morethan2000years.---TheOlympicGameshavebegun______morethan2000yearsago.---Itismorethan2000yearssincetheOlympicGamesbegan.beganforsinceA:What’syourhobby?B:Myhobbyisdrawingpictures.A:Whendidyoulearntodrawpictures?B:Ilearnedit4yearsago.Ihavelearneditfor4years//since4yearsago//It’s4yearssinceIlearnedtodrawpictures.Keypoints:since和for都可以引出时间状语与现在完成时连用。for+时间段（与延续性动词连用，不能与瞬间动词连用）since+过去的时间点It’s+一段时间+since从句（从句用一般过去时）Exercises:1.Tomborrowedabookfromthelibrarylastweek.Hehas_______itfor3days.2.---Whendidyoujoin/takepartinGreenerChina?---I’ve_________________ofGreenerChinafor2years.3.Ileftmyhometownin1996.I’ve____________frommyhometownforabout10years.4.---Oh,whatabadcoldI’vecaught!---Howlonghaveyou_____it?---Since2daysago.5.---Haveyougotadictionary?---Yes,Iboughtitlastyear.---Thoughyou’ve______itforseveralmonths,itlokslikeanewone.keptbeenamemberbeenawayhadhad瞬间动词转变为延续性动词：borrow---die---buy---comeback---join/takepartin---begin---leave---fallasleep---catchacold---end/finish---become---goout---getup---keephavebein/beamemberofbeawayfromhaveacoldbebedeadbebackbeonbeasleepbeoverbeoutbeup1.Sofar,we____200Englishwords.A.havecopyedB.havecopiedC.copyedD.copied2.---Where’syourfather?----He’s_____Beijing?A.beentoB.gonetoC.goneinD.beenin3.Anumberofthestudents_______thefilmyesterday.A.seeB.sawC.seenD.haveseen4.Howlong_____he______inthisfactory?A.has,comeB.have,comeC.has,beenD.have,been5.He’sneverbeentoChina,_______?A.hasheB.hasn’theC.isn’theD.ishe6.Mygrandma______inthisvillagefortenyears,she_____therein1994.A.haslived,hasmovedB.haslived,movedC.lived,hasmovedD.lived,movedExercises:BBBCAB7.Howlonghasthegirl’smother______?A.diedB.deadC.beendiedD.beendead8.Howmanywordshaveyoulearned_______youbegantolearnEnglish?A.forB.ifC.beforeD.since9._____haveyoubeenamemberofGreenerChina?A.HowoftenB.HowlongC.WhenD.Howfar10.---Hashefinishedhishomework?---No,hehasn’tfinishedit______.A.alreadyB.everC.yetD.beforeDDBC1.TheSmiths_______________(watch)TVthistimeyesterday.2.She____________(make)alotoffriendsheresofar.3.Herparents_____________(notwrite)tohersincetheyleft.4.Itisfiveyearssincehe_________(join)theParty.5.They_______(live)inthiscitytenyearsago.6.He______just______(come)backfromthecity.7.---CanAlicegohikingwithustomorrow?---Ifshe_______(feel)bettertonight.8.Someone_______(call)youjustnow.用所给动词的适当形式填空werewatchinghasmadehaven’twrittenjoinedlivedhascomefeelscalled