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語法專題5現(xiàn)在完成時一.概念(1)動作發(fā)生在過去,且已經(jīng)結(jié)束,但對現(xiàn)在產(chǎn)生了影響;(2)動作發(fā)生在過去,并持續(xù)到現(xiàn)在(很有可能會繼續(xù)延續(xù)下去)。二.基本結(jié)構(gòu)(have/has+過去分詞)(1)肯定式:主語+have/has+過去分詞+其他.eg.There’sanaccident.Ihavejustcalledthe120.(2)否定式:主語+have/has+not(haven’t/hasn’t)+過去分詞+其他.eg.Ihavenotcalledthe120.(3)一般疑問式:Have/Has+主語+過去分詞+其他?肯定回答:Yes,主語+have/has.否定回答:No,主語+haven’t/hasn’t.eg.Haveyoucalledthe120?Yes,Ihave.或No,Ihaven’t.特殊疑問式:疑問詞+have/has+主語+過去分詞+其他?三.用法1.表示過去已經(jīng)發(fā)生或完成的動作對現(xiàn)在造成的影響或結(jié)果。這一用法的特點是動作不延續(xù),并常與以下標(biāo)志詞連用:①already,just或yet;②never或ever;③動作發(fā)生的次數(shù),如twice,fourtimes等;④sofar;⑤recently,uptonow,over/inthelast/past+一段時間等;注意:(1)already用于肯定句,置于句中或句末;yet用于否定句和疑問句,置于句末;(2)ever用于疑問句或肯定句,置于句中;never用于否定句,置于句中;2.表示過去某一時刻開始并一直持續(xù)到現(xiàn)在的動作或狀態(tài)。這一用法只適用于延續(xù)性動詞,可以和表示延續(xù)的時間狀語連用,常用以下兩大標(biāo)志:①since+(過去的)時間點;eg.Ihavebeenheresince2000.②for+時間段;eg.Ihavebeenherefortwoyears.拓展:since+段時間+agoeg.Hehasbeendeadsince4yearsago.since+一般過去時的句eg.Ithasbeen4yearssinceIcametoShenzhen.四.???、易考點havebeento,havegoneto,havebeenin區(qū)別havebeento去過某地(已經(jīng)回來了)havegoneto去了某地(有可能在去的路上,有可能到達了目的地)havebeenin在某地呆了多長時間2.延續(xù)性動詞與瞬間動詞之間的轉(zhuǎn)換動詞→動詞buy→have,borrow→keep動詞→be+adj/advbegin→beon,leave→beaway(from),return→beback,arrive→bethere,die→bedead,marry→bemarried,open→beopen,close→beclosed動詞→be+介詞短語e/go→bein/at,puton→wear/be+injoin→bein+組織機構(gòu)/beamemberofeg.Hisfatherhasdiedforfiveyears.(誤)Hisfatherhasbeendeadforfiveyears.(對)注意:非延續(xù)性動詞在否定結(jié)構(gòu)中可用現(xiàn)在完成時。eg.Wehaven’tmeteachotherforaboutthreeyears.3.一般過去時與現(xiàn)在完成時的區(qū)別:1)一般過去時通常與表示過去的時間狀語連用。如:yesterday;lastweek;twoyearsago;justnow;in2002等;而現(xiàn)在完成時常與since,for,yet,already等連用。2)現(xiàn)在完成時表示的動作或狀態(tài)延續(xù)到現(xiàn)在并可能延續(xù)下去,而一般過去時則單純地表示過去某段時間內(nèi)的經(jīng)歷。eg.Ithasrainedforfivehours.雨已經(jīng)下了5個小時了。Itrainedforfivehoursyesterday.昨天下了5個小時的雨。一般過去時強調(diào)的是過去的動作或狀態(tài);而現(xiàn)在完成時強調(diào)的是現(xiàn)在的情況或狀態(tài)。4.補充①howlong引導(dǎo)的問句用于完成時中,謂語動詞必須是延續(xù)性的動詞?;卮饡r用“for+時間段”或“since+時間點”②句型:Ithasbeen/Itis+時間段+since從句(動詞用過去時)附:過去分詞的變化規(guī)則1.規(guī)則變化:規(guī)則動詞的過去分詞與規(guī)則動詞的過去式的構(gòu)成規(guī)則相同。(1)一般動詞,在詞尾直接加“ed”workworkedworkedvisitvisitedvisited(2)以“e”結(jié)尾的動詞,只在詞尾加“d”livelivedlived(3)以“輔音字母+y”結(jié)尾的動詞,將"y"變?yōu)?i",再加“ed”studystudiedstudiedcrycriedcried(4)重讀閉音節(jié)結(jié)尾,末尾只有一個輔音字母,雙寫該輔音字母,再加“ed”stopstoppedstoppeddropdroppeddropped2.不規(guī)則變化:見八下課本不規(guī)則動詞表過去完成時一、過去完成時的構(gòu)成:肯定句:主語+助動詞had+動詞的過去分詞(done)+其他成分否定句:主語+助動詞had+not+動詞的過去分詞(done)+其他成分一般疑問句:助動詞had+主語++動詞的過去分詞(done)+其他成分特殊疑問句:特殊疑問詞+had+主語+動詞的過去分詞(done)+其他成分或特殊疑問詞+had+動詞的過去分詞+其他成分二、過去完成時的用法:1、表示在過去某一時間或動作以前已完成的行為或存在的狀態(tài)。即發(fā)生的時間是過去的過去。常與“by/before+過去時間”構(gòu)成的短語連用。例如:Thetrainhadalreadyleftbeforewearrived.在我到達之前,火車已經(jīng)開走了。HesaidthathehadlearnedsomeEnglishbefore.他說過他以前學(xué)過一些英語。2、表示在過去某一時間點之前已經(jīng)持續(xù)了一段時間的動作或狀態(tài),常與for/since引導(dǎo)的表示過去的時間壯語連用。例如:IhadlivedinAmericafortwoyearsbeforeIcamehere.3、在狀語從句中,在過去不同的時間發(fā)生的兩個動作,發(fā)生在先,用過去完成時,發(fā)生在后,用一般過去時。例如:Whenthepolicearrived,thethieveshadrunaway.三、一般過去時、現(xiàn)在完成時與過去完成時的區(qū)別一般過去時表示過去發(fā)生的動作或存在的狀態(tài)?,F(xiàn)在完成時強調(diào)完成的動作對現(xiàn)在的影響或結(jié)果。過去完成時則強調(diào)完成的動作對過去的影響,或體現(xiàn)過去發(fā)生的兩個動作的先后有別試比較:HeleftBeijingtwoyearsago.Beforethat,hehadlivedthereforfiveyears.HehasgonetoShanghairecently.課堂練習(xí)一.用所給動詞的適當(dāng)形式填空。1.We_____________(paint)thehousebeforewe______________(move)in.2.Thatricholdman_____________(make)awillbeforehe_____________(die).3.They_____________(study)themapofthecountrybeforethey___________(leave).4.Therobbers_____________(runaway)beforethepolicemen____________
(arrive).5.I__________(turnoff)allthelightsbeforeI____________(go)tobed.6.Paul__________(go)outwithJaneafterhe__________(make)
aphonecall.7.Tom__________(say)he___________(read)thebooktwice.8.Ourplan____________(fail)becausewe_____________(make)abadmistake.9.Whenthechairman______________(finish)speaking,he_____________(leave)thehall.10.TheReads____________
(have)lunchwhenI________________(get)totheirhouse.11.WhenI______________(arrive)atthestation,he________________(leave).12.We_______________(learn)about4000Englishwordsbytheendoflastterm.13.Iwaiteduntilhe_______________(finish)hishomework.14.Weweresurprisedatwhatshe___________already__________(do)15.She____________(notgo)toQingdaobecauseshe________________(go)therebefore.16.He______________(nottell)youthenewsyet.17.Hesaidhe_____________already_________(give)thebooktotheteacher.18.I______________(be)toShanghaibefore.19.Shetoldmeshe_________________(be)toSanyathreetimes.20.Mikehasbeenill______alongtime.Hehasbeeninhospital______October(for/since).二.單項選擇。()1.Heaskedme_____duringthesummerholidays.A.whereIhadbeen
B.whereIhadgoneC.wherehadIbeen
D.wherehadIgone()2.What____Jane____bythetimehewassever?A.did,do
B.has,
done
Cdid,did.
D.had,
done()3.I______900EnglishwordsbythetimeIwasten。A.learned
B.waslearning
C.hadlearned
D.learnt()4.________youhavesomemorefood?Thankyou.I_______enough.
A.Will,havehave
B.Could,havehad
C.Do,havehave
D.Do,havehad()5.Bythetimemyparentsreachedhomeyesterday,I_____thedinneralready.A.hadcooked
B.cooked
C.havecooked
D.wascooked()6.Shesaidshe__________theprinciplealreadyA.hasseen
B.saw
C.willsee
D.hadseen()7.Shesaidherfamily_______themselves______thearmyduringthewar.A.hashidden,from
B.hadhidden,fromC.hashidden,with
D.hadhidden,with()8.Bythetimehewastenyearsold,he_________.A.
haspleteduniversity
B.haspletedtheuniversityB.
hadpletedanuniversity
D.hadpleteduniversity()9.Shehadwrittenanumberofbooks______theendoflastyear.A.for
B.in
C.by
D.at()10.He_____toplay____beforehewas11yearsold.A.hadlearned,piano
B.hadlearned,thepianoC.haslearned,thepiano
D.learns,piano.()11.What_______Annie____bythetimehewasten?A.did,do
B.did,did
C.has,done
D.haddone()12.He___inthefactoryforthreeyearsbeforehejoinedtheArmy.A.hasworked
B.works
C.hadworked
D.willwork()13.Bytheendoflastweek,they____thebridge.A.haspleted
B.pleted
C.willplete
D.hadpleted()14.Benhatesplaying_____violin,
buthelikesplaying____football.A.a…the
B.the…the
C./…the
D.the…/()15.Bythetimehewas4,
he______alotofGermanwords.A.hadlearned
B.haslearned
C.learned
D.learns()16.Jimturnedoffthelightsandthen_____theclassroom.A.wasleft
B.hadleft
C.hasleft
D.left()17.They_________inGuangzhousince2000.A.lived
B.hadlived
C.havelived
D.wereliving()18.ThetrainfromBeijing_______tenminutesago.A.hasarrived
B.wasarriving
C.arrived
D.hadarrived()19.Thestudents_________theirclassroomwhenthevisitorsarrived.A.havecleaned
B.hadcleaned
C.wascleaned
D.havebeencleaned()20.Fergie_______theprojectinonehour.A.havefinished
B.willfinish
C.finishes
D.hasfinished()21.Theman________hiscoatandwentout.A.puton
B.hadputon
C.willputon
D.wasputtingon()22Mymother______inthatfactoryattheageof18.A.hadworked
B.hasworked
C.worked
D.works()23.Dad________whilehe_______TV.A.fellasleep…watch
B.wasfallingasleep…watched
C.fellasleep……waswatching
D.hadfallenasleep…watched()24.MissGreenisn'tintheoffice.she_______tothelibrary.
A.hasgoneB.wentC.willgoD.hasbeen()25.Myparents______Shandongfortenyears.
A.havebeeninB.havebeentoC.havegonetoD.havebeen()26.Bothhisparentslooksad.Maybethey______what'shappenedtohim.A.knewB.haveknownC.mustknowD.willknow()27.Hehas_______beentoShanghai,hashe?A.alreadyB.neverC.everD.still()28.HaveyoumetMrLi______?A.justB.agoC.beforeD.amomentago()29.Thefamouswriter_____onenewbookinthepasttwoyear.A.iswritingB.waswritingC.wroteD.haswritten()30.—Ourcountry______alotsofar.—Yes.Ihopeitwillbeeven______.A.haschanged;wellB.changed;goodC.haschanged;betterD.changed;better()31.ZhaoLan______already______inthisschoolfortwoyears.A.was;studyingB.will;studyC.has;studiedD.are;studying()32.We______XiaoLisinceshewasalittlegirl.A.knowB.hadknownC.haveknownD.knew()33.HarryPotterisaverynicefilm.I______ittwice.A.willseeB.haveseenC.sawD.see()34.—ThesefarmershavebeentotheUnitedStates.—Really?When_____there?A.willtheygoB.didtheygoC.dotheygoD.havetheygone()35.—______you___yourhomeworkyet?—Yes.I_____itamomentago.A.Did;do;finishedB.Have;done;finishedC.Have;done;havefinishedD.will;do;finish課后練習(xí)()36.Hisfather______thePartysince1978.A.joinedB.hasjoinedC.wasinD.hasbeenin()37.—Doyouknowhimwell?—Sure.We_________friendssincetenyearsago.A.wereB.havebeenC.havebeeD.havemade()38.—Howlonghaveyou____here?—Abouttwomonths.A.beenB.goneC.eD.arrived()39.Hurryup!Theplay__________fortenminutes.A.hasbegunB.hadbegunC.hasbeenonD.began()40.It_____tenyearssinceheleftthearmy.A.isB.hasC.willD.was()41.MissGreenisn'tintheoffice.she_______tothelibrary.A.hasgoneB.wentC.willgoD.hasbeen()42.Myparents______Shandongfortenyears.A.havebeeninB.havebeentoC.havegonetoD.havebeen()43.Thestudentshavecleanedtheclassroom,?A.sotheyB.don’ttheyC.havetheyD.haven’tthey()44.______hasMrWhitebeenamemberofGreenerChinasincehe______toChina?A.Howsoon,esB.Howoften,gotC.Howlong,cameD.Howfar,arrived()45.Hisuncle______formorethan9years.A.hasehereB.hasstartedtoworkC.haslivedthereD.haslefttheuniversity()46.Whenhearrivedatthebusstop,thebus_____for20minutes.A.hasleftB.hadleftC.hasbeenawayD.hadbeenaway()47.I______theLeaguefor5yearssofar.A.joinedB.havejoinedC.havebeeninD.joinedin()48.Thefactory____sincetheFebruaryof1988.A.hasbeenopenB.hasopenedC.wasopenD.opened()49.MaryandRose____friendssincetheymetin2000.A.havemadeB.havebeenC.madeD.havebee()50.Youmustn't_____untilheesback.A.beawayB.leaveC.beleftD.leaved()51.Themeeting_____foraweeknow.A.hasfinishedB.hasendedC.hasbeenoverD.end()52.MissGao______thisschoolfornearly5years.A.hasbeeninB.hasetoC.hastaughtD.cameto()53.Ben______ateacherfor4years.A.hasbeenB.hasbeeC.wasD.became()54.I
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