搜索
CONTENTS一、现在完成时的概念和构成二、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是过去的动作或状态持续到现在并且已经完成，对现在造成的影响，可能持续发生下去。常用时间状语for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always,现在完成时的构成Wehavefinishedourhomework.Wehaven’tfinished.Haveyoufinishedyourclass?Yes,wehave.No,wehaven’t.肯定：主语+have/has+过去分词否定：have/hasnotdone疑问：have/has+主语回答：Yes,sb.have/has.No,sb.haven’t/hasn’t.规则动词的过去分词的构成规则(1)一般动词，在词尾直接加“-ed”。（然而要注意的是，过去分词并不是过去式）work---worked---worked,visit---visited---visited(2)以不发音的“e”结尾的动词，只在词尾加“d”。live---lived---lived(3)以“辅音字母+y”结尾的动词，将y变为i，再加“-ed”。study—studied—studied,cry—cried—cried,try—tried—tried,fry—fried—fried.(4)重读闭音节结尾，末尾只有一个辅音字母（r、y、x除外），先双写该辅音字母，再加“-ed”。stop—stopped—stopped,drop—dropped—dropped不规则动词的过去分词的构成规则AAAcost—cost—cost,cut—cut—cut,hit—hit—hitABBbring—brought—brought,buy—bought—boughtthink—thought—thoughtAABbeat—beat—beatenABAcome—came—come,become—became—becomeABCbegin—began—begun,drink—drank—drunksing—sang—sung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(长达)since+过去的时间点；一般过去时的句子；（自…以来）Shehasworkedherefor5years.Shehasworkedheresince5yearsago.Shehasworkedheresinceshegraduatedfromcollege.疑难点Iworkedherefor5years.我现在已经不在这里工作Ihaveworkedherefor5years.我还在这里工作注意：并非所有for引导的时间状语都要用现在完成时。辨析havebeento和havegonetoIhavegonetoShanghaiforameeting.已经去上海IhavebeentoShanghaiforameeting.曾经去过上海havebeento是曾经去过，已经回来havegoneto是去了，还没有回来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+组织机构为了表达准确，让延续性动词来替代非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、现在完成时的概念和构成二、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since，havebeen和havegone③延续动词与非延续动词