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現(xiàn)在完成時(shí)一、現(xiàn)在完成時(shí)的構(gòu)成(一)肯定式主語+助動(dòng)詞have/has+過去分詞+其它【說明:這里的have/h\o"歡迎登陸"as是助動(dòng)詞,沒有什么具體意義。當(dāng)主語是第三人稱單數(shù)時(shí),助動(dòng)詞用has,其余人稱一律用have。has,have的縮略式分別為's或've。規(guī)則動(dòng)詞過去分詞的構(gòu)成與過去式的構(gòu)成方式一樣,不規(guī)則動(dòng)詞可參看不規(guī)則動(dòng)詞表?!坷?)I'vejustcopiedallthenewwords.我剛抄寫了所有的生詞。(表示不要再抄了)2)Shehaslostherbooks.她丟失了她的書。(表示到目前為止還沒有找到)(如果用過去時(shí):Shelostherbooks則強(qiáng)調(diào)書是過去丟的這一動(dòng)作,而不知現(xiàn)在有沒有找到)3)We'vejustcleanedtheclassroom.我們剛好打掃了教室。(表明現(xiàn)在教室是干凈的)(二)否定式主語+助動(dòng)詞have/has+not+過去分詞+其它【說明:現(xiàn)在完成時(shí)構(gòu)成否定句時(shí)\o"歡迎登陸",只需在助動(dòng)詞have/has后面加not就行。havenot,hasnot的縮略式分別為haven't,hasn't。另外,肯定句中有some,already時(shí),改為否定時(shí)要分別改成any,yet?!坷?)Ihaven'tfinishedmyhomeworkyet.我還沒有完成我的作業(yè)。2)Shehasn'ttravelledonatrain.她沒有坐火車旅行過。3)Wehaveneverspokentoaforeigner.我們從來沒有和外國人說過話。注:有時(shí)not可以用never代替,表示“從來沒有”的意思。又如:4)Ihaveneverseenhimbefore.以前我從來沒有見過他。(三)一般疑問式助動(dòng)詞Have/Has+主語+過去分詞+其它?【說明:把陳述句中的have或\o"歡迎登陸"has放到句首,句末打問號,同時(shí)把句中的some,already改為any,yet就構(gòu)成了一般疑問句??隙ɑ卮鹩谩癥es,主語+have/has.否定回答用“No,主語+haven't/hasn't.”有時(shí)也可以用“No,notyet./No,never./No,notevenonce.”等?!繉?shí)例:—Haveyouevermadedumplings?你曾經(jīng)做過餃子嗎?—Yes,Ihave.是的,我做過。2)—Hassheeverbeenabroad?她曾經(jīng)出過國嗎?—No,never.不,從來沒有。3)—Havetheyfoundthelostbooksyet?他們已經(jīng)找到了丟失的書嗎?—Yes,theyhave.是的,他們找到了?!咀⒁猓寒?dāng)句中\(zhòng)o"歡迎登陸"有否定詞not,hardly(幾乎不),never的時(shí)候,在改為反意疑問句時(shí),附加部分用肯定形式?!坷纾篩ouhaveneveretoourschool,haveyou?你以前從來沒有來過我們學(xué)校,是嗎?二、現(xiàn)在完成時(shí)的用法(一)現(xiàn)在完成時(shí)的用法1:\o"歡迎登陸"表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對現(xiàn)在造成的影響或結(jié)果。此時(shí),常與時(shí)間副詞already(已經(jīng)),yet(還、已經(jīng)),just(剛剛、僅僅),ever(曾經(jīng)),never(從不),before(以前)等連用。這幾個(gè)副詞的用法如下:1.a(chǎn)lready意為“已經(jīng)”,通常用于肯定句中,可放在助動(dòng)詞之后,過去分詞之前,也可以放在句末。實(shí)例:1)I'vealreadyreadthisbook.我已經(jīng)讀過這本書了。(“讀”這一動(dòng)作發(fā)生在過去,對現(xiàn)在造成的影響是“知道書中的內(nèi)容”。)2)I'vewashedmyclothesalready.我已經(jīng)洗了衣服。(洗衣服的動(dòng)作已完成,其結(jié)果是“衣服洗干凈了”。)注意:在表示吃驚或明知故問等感情色彩時(shí),already也可用于(口語)疑問句中。例:3)Haveyoumethimalready?你(真的)已經(jīng)見過他了?2.yet用在疑問句中意為“已經(jīng)”,用在否定句中意為“還”,常放在句末。實(shí)例:1)—Hashefoundhiswatchyet?他已經(jīng)找到他的手表了嗎?—No,notyet.不,還沒有。2)Thewomanhasn'tfoundherdogyet.那位婦女還沒有找到她的狗。(沒找到狗,心里著急,這就是對現(xiàn)在的影響)3.just意為“剛剛”,表示行為剛剛過去,常放在助動(dòng)詞與過去分詞之間。實(shí)例:Hehasjustebackfromschool.他剛從學(xué)?;貋怼?.ever意為“曾經(jīng)”,用于疑問句或否定句中,放在助動(dòng)詞與過去分詞之間。實(shí)例:1)HaveyoueverbeentoHongKong?你曾去過香港嗎?2)Ihaven'teverspokentoher.我未曾和她說過話。5.never意為“從來沒有”常與before連用(before要放在句尾,而never多放在助動(dòng)詞與過去分詞之間。實(shí)例:Ihavenevertravelledbyplanebefore.我以前從來沒有乘飛機(jī)旅行過。6.before意為“以前”,指過去不確定的某個(gè)時(shí)間,總是放在句末,不受句型的限制。實(shí)例:1)HaveyoubeentoHainanbefore?你以前去過海南嗎?2)Ihaven'teatenGuangdongfoodbefore.我以前沒吃過廣東菜。(二)現(xiàn)在完成時(shí)用法二\o"歡迎登陸"2——持續(xù)性用法(肯定句,疑問句中謂語動(dòng)詞必須是延續(xù)性動(dòng)詞):表示過去已經(jīng)開始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。此時(shí)常與“for+一段時(shí)間”或“since+過去的點(diǎn)時(shí)間或從句(從句用一般過去時(shí))”以及“sofar(到目前為止)”等時(shí)間狀語連用。for+段時(shí)間since+點(diǎn)時(shí)間例:1)I'velivedheresince1990.自從1990年以來我就住在這里。=I'velivedheresince13yearsago.=I'velivedherefor13years.=Itis13yearssinceIbegantolivehere.2)Ihaven'tseenhimforthreeyears.我三年沒有看見他了。=Ihaven'tseenhimsincethreeyearsago.=Ihaven'tseenhimsince2000.=Itis3yearssinceIsawhimlasttime.3)Mr.Wanghasworkedinthefactorysincehecametothecity.自從到這個(gè)城市以來,王先生一直在這家工廠工作。4)She'sbeenatthisschoolsincefiveyearsago.自從五年前以來她就在這個(gè)學(xué)校?!咀⒁猓孩僭谶@類句子的\o"歡迎登陸"肯定句和疑問句中謂語動(dòng)詞必須用延續(xù)性動(dòng)詞。短暫性動(dòng)詞由于動(dòng)作不能持續(xù),故不能與for(達(dá)到;累計(jì))或since(自從……到現(xiàn)在)引出的時(shí)間狀語連用?!咳纾篐ehasdiedfor5years.他已經(jīng)死了5年了。die是短暫性動(dòng)詞,不能死了5年還沒死完。所以必須改成:Hehasbeendeadfor5years.②對for和since引導(dǎo)的時(shí)間狀語提問要用Howlong▲部分短暫性動(dòng)詞與之對應(yīng)的延續(xù)性動(dòng)詞:延續(xù)性動(dòng)詞表示能夠延續(xù)的動(dòng)作,這\o"歡迎登陸"種動(dòng)作可以延續(xù)下去或產(chǎn)生持久影響。如:learn,work,stand,lie,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay等。終止性動(dòng)詞,也\o"歡迎登陸"稱非延續(xù)性動(dòng)詞、瞬間動(dòng)詞或短暫性動(dòng)詞,表示不能延續(xù)的動(dòng)作,這種動(dòng)作發(fā)生后立即結(jié)束。如open,close,finish,begin,e,go,arrive,reach,getto,leave,move,borrow,buy等。begin/start→beonbee→bebuy→haveborrow→keepehere→behereeback→bebacke→beheregothere→betherego→betherecatchacold→haveacoldleave→beawayfeelill→beillfinish→beover,fallasleep→beasleepputon→weardie→bedeadjoin→bein/beamemberofgo(get)out→beoutgettoknow→knowgetup→beupgetto/arrive/reach→be(in)leave→beawayfrommoveto→liveinopensth.→keepsth.open例:(1)\o"歡迎登陸"Theoldmandied4yearsago.
=Theoldmanhasbeendeadfor4years.
=Itis4year\o"歡迎登陸"ssincetheoldmandied.
=Fouryearshaspassedsincetheoldmandied.
(2)Hejoined\o"歡迎登陸"theParty2yearsago.
=HehasbeeninthePartyfor2years.
(3)Iboughtthebook5daysago.
=Ihavehadthebookfor5days.補(bǔ)充練習(xí):1.
Whenhearrivedatthebusstop,thebus________for20minutes.A.hasleft
B.hadleft
C.hasbeenaway
D.hadbeenaway2.I______theLeaguefor5yearssofar.
A.joined
B.havejoined
C.havebeenin3.
Thefactory________sincetheFebruaryof1988.
A.hasbeenopen
B.hasopened
C.wasopen
D.opened4.
MaryandRose_______friendssincetheymetin2000.
A.havemade
B.havebeen
C.made
D.havebee5.Youmustn't________untilheesback.
A.beaway
B.leave
C.beleft6.Themeeting
_______foraweeknow.
A.hasfinished
B.hasended
C.hasbeenover7.MissGao______thisschoolfornearly5years.
A.hasbeenin
B.haseto
C.hastaught8.Ben______ateacherfor4years.
A.hasbeen
B.hasbee
C.was
D.became9.I______homeforaweek.
A.havereturned
B.havebeenback
C.returned10.Howlong_______he________?
A.died
B.has,died
C.has,beendead11.HowlongcanI______thebook?
Twoweeks.A.borrow
B.lend
C.get
D.keep12.He________thecarforaweek.
A.bought
B.hasbought
C.hashad
13.Howlong_____you_____ill?Twoweeks.
A.didfall
B.have,fell
C.have,been14.Since2000,he_____hishometown.
A.hasleft
B.hasmovedaway
C.hasbeenawayfrom15.I'lllendyouthebook,butyoucanonly_____itfor2days.
A.borrow
B.keep
C.take16.Thebus______ontheroadfor2hourssofar.
A.hasstopped
B.stopped
C.hasbeen17.Areyou_____thejacketthesedays?
A.wearing
B.puttingon
C.dressing
D.on18.He________for2hours.
A.gotup
B.
hasgotup
C.hasbeenup19.Tomisillinhospital.He_______acoldforseveraldays.A.is
B.catches
C.hascaught
D.hashad一般過去時(shí)和現(xiàn)在完成時(shí)所表示的動(dòng)作都發(fā)生在過去,那么這兩種時(shí)態(tài)有什么區(qū)別呢?①一般過去時(shí)與具體的表示過去時(shí)間狀語如:yesterday連用;強(qiáng)調(diào)動(dòng)作在過去發(fā)生,與現(xiàn)在無關(guān)。②現(xiàn)在完成時(shí)與自已的特\o"歡迎登陸"征詞連用,強(qiáng)調(diào)過去發(fā)生的動(dòng)作對現(xiàn)在的影響或過去開始發(fā)生一直持續(xù)到現(xiàn)在的動(dòng)作。例:Hesawthefilmlastnight.(過去時(shí),表示他昨晚看過那部電影了,現(xiàn)在不知還要不要再看一次)Hehas(ever)seenthefilmbefore.(現(xiàn)在\完成時(shí),表時(shí)他已看過那部電影,現(xiàn)在不想再看了)不規(guī)則動(dòng)詞過去式和過去分詞A.原型:過去式和過去分詞完全不同drinkdrank\o"歡迎登陸"drunkringrangrungswimswamswumsingsangsungsinksanksunkblowblewblowngrowgrewgrownknowknewknownflyflewflowntaketooktakenshakeshookshakendrivedrovedrivenwritewrotewrittenriseroserisenrideroderiddenspeakspokespokenstealstolestolenbreakbrokebrokenwakewokewokenfreezefrozefrozenforgetforgotforgottenchoosechosechosendrawdrewdrawneatateeatenfallfellfallengivegavegivenhidehidhiddendodiddoneseesawseenB.過去式與過去分詞完全相同brightbr\o"歡迎登陸"oughtbroughtthinkthoughtthoughtfightfoughtfoughtbuyboughtboughtcatchcaughtcaughtsellsoldsoldtellt\o"歡迎登陸"oldtoldsaysaidsaidpaypaidpaidsendsent\o"歡迎登陸"sentlendlentlentspendspentspentburnburnt\o"歡迎登陸"burntlearnlearntlearntmeanmeantmeantfeel\o"歡迎登陸"feltfeltsmellsmeltsmeltsleepsleptsleptsweepsleptsleptleaveleftleftbuildbuiltbuiltloselost\o"歡迎登陸"lostgetgotgotmeetmetmetsitsat\o"歡迎登陸"satshootshotshotleadledledspitspat\o"歡迎登陸"spathavehadhadholdheldheldmakemademadestandstoodstoodhearheardheardfindfoundfounddigdugdugshineshoneshoneunderstand\o"歡迎登陸"understoodunderstoodwinwonwonC.原型與過去分詞相同ecameerunranrunbeebecamebeeD.原形與過去式和過去分詞完全相同castcastcastcutcutcutputputputletlet\o"歡迎登陸"letsetsetsethithithit現(xiàn)在完成時(shí)專項(xiàng)練習(xí)一、單項(xiàng)選擇。1、Bothhisparentslooksad.Maybethey_____what'shappenedtohim.A.knewB.haveknownC.mustknowD.willknow2、Hehas_______beentoShanghai,hashe?A.alreadyB.neverC.everD.still3、Havey\o"歡迎登陸"oumetMr.Li______?A.justB.agoC.beforeD.amomentago4、Thefamouswriter_____onenewbookinthepasttwoyear.A.i\o"歡迎登陸"swritingB.waswritingC.wroteD.haswritten5、—Ourcountry______alotsofar.—Yes.Ihopeitwillbeeven______.A.haschanged;wellB.changed;goodC.haschanged;betterD.changed;better6、ZhaoLan______already______inthisschoolfortwoyears.A.was;stu\o"歡迎登陸"dyingB.will;studyC.has;studiedD.are;studying7、We______XiaoLisinceshewasalittlegirl.A.knowB.hadknownC.haveknownD.knew8、HarryPotteri\o"歡迎登陸"saverynicefilm.I______ittwice.A.willseeB.haveseenC.sawD.see9、—ThesefarmershavebeentotheUnitedStates.—Really?When_____there?A.willtheygoB.didtheygoC.dotheygoD.havetheygone10、—____\o"歡迎登陸"__you___yourhomeworkyet?—Yes.I_____itamomentago.A.Did;do;finishedB.Have;done;finishedC.Have;done;havefinishedD.will;do;finish11、Hisfather______thePartysince1978.A.joinedB.hasjoinedC.wasinD.hasbeenin12、—Doyouknowhimwell?—Sure.We_________friendssincetenyearsago.A.wereB.havebeenC.havebeeD.havemade13、—Howlonghaveyou____here?—Abouttwomonths.A.beenB.goneC.eD.arrived14、Hurryup!Theplay__________fortenminutes.A.hasbegunB.hadbegunC.hasbeenonD.began15、It_____tenyearssinceheleftthearmy.A.isB.hasC.willD.was16、MissG\o"歡迎登陸"reenisn'tintheoffice.she_______tothelibrary.A.hasgoneB.wentC.willgoD.hasbeen17、Myparents______Shandongfortenyears.A.havebeeninB.havebeentoC.havegonetoD.havebeen18、Thestudentshavecleanedtheclassroom,________?A.sotheyB.don’ttheyC.havetheyD.haven’tthey19、_________h\o"歡迎登陸"asMr.WhitebeenamemberofGreenerChinasincehe_____toChina?A.Howsoon\o"歡迎登陸",esB.Howoften,gotC.Howlong,cameD.Howfar,arrived20、Hisuncle_______formorethan9years.A.has\o"歡迎登陸"ehereB.hasstartedtoworkC.haslivedthereD.haslefttheuniversity21.I______\o"歡迎登陸"theLeaguefor5yearssofar.A.joinedB.havejoinedC.havebeenin22.Thefactory____sincetheFebruaryof1988.A.hasbeenopenB.hasopenedC.wasopenD.opened23.Youmus\o"歡迎登陸"tn't_____untilheesback.A.beawayB.leaveC.beleft24.Themeet\o"歡迎登陸"ing_____foraweeknow.A.hasfinishedB.hasendedC.hasbeenover25.MissGao______thisschoolfornearly5years.A.hasbeeninB.hasetoC.hastaught26.Ben_____\o"歡迎登陸"_ateacherfor4years.A.hasbeenB.hasbeeC.wasD.became27.I______homeforaweek.A.havereturnedB.havebeenbackC.returned28.Howlong_______he________?A.diedB.has,diedC.has,beendead29.He______ateightyesterdayafternoon.A.sleptB.wassleepingC.hassleepD.hadslept30.He________thecarforaweek.A.boughtB.hasboughtC.hashad31.H\o"歡迎登陸"owlong_____you_____ill?Twoweeks.A.didfallB.have,fellC.have,been32.Since2000,he_____hishometown.A.hasleftB.hasmovedawayC.hasbeenawayfrom33.I'llle\o"歡迎登陸"ndyouthebook,butyoucanonly_____itfor2days.A.borrowB.
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