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CONTENTS一、现在完成时的构成二、现在完成时的完成意义三、现在完成时的持续意义现在完成时的构成现在完成时的构成Wehavebegunourclass.Wehaven’tbegun.Haveyoubegunyourclass?Yes,wehave.No,wehaven’t.肯定：have/hasdone否定：have/hasnotdone疑问：have/has+主语回答：Yes,sb.have/has.No,sb.haven’t/hasn’t.现在完成时的完成意义什么是完成意义？完成意义：动作发生在过去，结果或影响在现在。time过去现在将来Ihavecleanedtheroom.打扫房间打扫房间的结果，影响在现在结果：房间现在还干净，不用打扫了。什么是完成意义动作发生在过去，结果或影响在现在。Johnhaseatenupthefruitinthefridge.Alicehasopenedthewindow.Lindahasfoundherbook.结果：冰箱里没有水果了。结果：窗子的状态是打开的。结果：不需要再找了。1.Idon’tfeelverywell,Jack.I’mafraidyou______meyourcold.A.giveB.hadgivenC.havegivenD.wouldgive真题再现2.--Look!Someone______theclassroom.--Well,itwasn’tme.Ididn’tdoit.A.iscleaningB.wascleaningC.hascleanedD.willclean真题再现现在完成时意义与一般过去时的区别完成意义：动作发生在过去，结果或影响在现在。time一般过去时：动作发生在过去，对现在没有影响。过去现在将来Icleanedtheroomyesterday.打扫房间1.Paulaispleasedthatshe_________herlostwatch.A.findsB.foundC.hasfoundD.willfind真题再现2.Ican’tfindmynotebookanywhere.I’mafraidI______it.A.loseB.lostC.havelostD.waslosing真题再现already,just,yet,ever,neveralready“已经”；just“刚刚”用于肯定句中Lindahasalreadyeatentwoapples.Lindahasjusteatenabanana.yet“还未”；“已经”用于否定句，疑问句句尾Alicehasnoteatenanychocolateyet.HasAliceeatenanychocolateyet?already,just,yet,ever,neverever“曾经”用于疑问句HasJohnevereatenAmericanchocolate?HaveyoueverbeentoBeijing?never“从不”TomhasneverbeentoBeijing.1.--_____youever_______HanHongsinglive?--Ofcourse.Acoupleoftimesindifferentcities.A.Have;seenB.Did;seeC.Do;seeD.Are;seeing真题再现2.--Wouldyoulikeanothercake?--Anothercake?I_______myfirstoneyet.A.didn’thaveB.don’thaveC.haven’thadD.hadn’thad真题再现现在完成时的持续意义什么持续意义？time动作在过去开始，一直持续到现在，而且很有可能持续下去。Ihavelivedherefortwoyears.2年前今天havelivedfor和sincefor+时间段since+过去的时间点；一般过去时的句子Shehasworkedherefor5years.Shehasworkedheresince5yearsago.Shehasworkedheresinceshegraduatedfromcollege.for和since用for或since填空1.Mr.BrownhashadhisTV______15years.2.I’vetakendrivinglessons_______lastmonth.3.Mysisterhashadhercellphone______amonth.4.Myfriendshaven’tvisitedme______fewdaysago.5.Wehaven’tusedourcar_____alongtime.6.Shehasn’thadagoodcupofcoffee_____years.7.Tomhaswornglasses_______hewas7yearsold.forsinceforsinceforforsince延续动词与非延续动词现在完成时表持续，在肯定句和疑问句中动词要用延续性动词延续性动词：动作可持续learn,work,stand,lie,know,walk,keep,wait,watch,sing,read,sleep,live,stay,have非延续性动词：动作不可持续，只发生在一瞬间buy,borrow,die,leave,begin,join延续动词与非延续动词1.Hehasboughtthebookfortwoyears.2.Hehashadthebookfortwoyears.3.IhaveborrowedthebooksinceMonday.4.IhavekeptthebooksinceMonday.××延续动词与非延续动词leave→beawayborrow→keepbuy→havebegin/start→beondie→bedeadfinish→beoverleave→beawayfromgo(get)out→beoutputon→wearcomeback→bebackcome→bejoin→bein+组织机构非延续性动词变延续性动词延续动词与非延续动词1.Theycametoourschoolin1980.They__________________ourschoolsince1980.2.Themandiedfiveyearsago.Theman__________________forfiveyears.3.Themeetingbegantwominutesago.Themeeting__________________fortwominutes.4.Weborrowedtwobookslastweek.We____________thetwobooksforaweek.havebeeninhasbeendeadhasbeenonhavekept1.--Mom,IwanttowatchThelegendofMiyue（芈月传）onChina8tonight.--Oh,dear,it_______forafewminutes.Comeon!A.hasbegunB.willbeginC.hasbeenonD.willbeon真题再现2.WilliamShakespeare______for400years,buthisworksstillhavegreatinfluencetoday.A.diedB.wasdyingC.hasdiedD.hasbeendead真题再现3.Thismedicine______millionsofpeople’slivessinceitwasputintouse.A.issavingB.willsaveC.hassavedD.hadsaved真题再现4.It’snicetoseeyouagain.We______eachothersince2014.A.won’tseeB.don’tseeC.haven’tseenD.didn’tsee真题再现5.IhavebeeninChina______1997.A.sinceB.forC.inD.until真题再现小试牛刀1.--Whatanicewatch!Howlong______you______it?--Forjusttwoweeks.A.will;buyB.have;hadC.were;havingD.did;buy小试牛刀2.--Wherearetheflowers?--Yousee,someone______themtothewindow.A.movesB.hadmovedC.hasmovedD.wouldmove小试牛刀3.--Lookatthebluesky!Therain_______．--Let'sgooutforawalk．A.stopsB.willstopC.hasstoppedD.hadstopped小试牛刀4.He_______thecitysincehegraduatedfromcollege.A.hasleftB.leftC.hasbeenawayfrom小试牛刀5.UncleLiang_______inHaikousince1980,soheknowsalotaboutthecity.A.islivingB.haslivedC.lived小试牛刀知识总结一、现在完成时的构成二、现在完成时的完成意义①什么是完成意义？②现在完成时意义与一般过去时的区别③already,just,yet,ever,never三、现在完成时的持续意义①什么是持续意义？②for和since③延续动词与非延续动词