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TOC\o"1-5"\h\z考研英語(yǔ)試題語(yǔ)法難點(diǎn)精析(17) 1語(yǔ)法難點(diǎn)精析之一:虛擬語(yǔ)氣 1語(yǔ)法難點(diǎn)精析之二:非謂語(yǔ)動(dòng)詞 24語(yǔ)法難點(diǎn)精析之三:被分隔的定語(yǔ)從句 46語(yǔ)法難點(diǎn)精析之四:besides,but,except,exeptfor,excepting,apartfrom的區(qū)別 48語(yǔ)法難點(diǎn)精析之五:含義因有無(wú)冠詞而迥異的短語(yǔ) 49語(yǔ)法難點(diǎn)精析之六:用todo還是ofdoing作后置定語(yǔ) 51語(yǔ)法難點(diǎn)精析之七:與Ty副詞同義的介詞短語(yǔ) 53語(yǔ)法難點(diǎn)精析之八:以f(e)結(jié)尾名詞的復(fù)數(shù)形式 54語(yǔ)法難點(diǎn)精析之九:需要用名詞復(fù)數(shù)的短語(yǔ) 56語(yǔ)法難點(diǎn)精析之十:集體名詞的類(lèi)與群 57語(yǔ)法難點(diǎn)精析之十一:名詞作定語(yǔ)的情況 61語(yǔ)法難點(diǎn)精析之十二:nomore(...)than與notmore(...)than的用法63語(yǔ)法難點(diǎn)精析之十三:ratherthan,more...than,otherthan的用法.64語(yǔ)法難點(diǎn)精析之十四:alive、live、living和lively的用法 65語(yǔ)法難點(diǎn)精析之十六:too...to結(jié)構(gòu)表示肯定含義的情況 67語(yǔ)法難點(diǎn)精析之十七:every表示”每隔“的用法 68考研英語(yǔ)試題語(yǔ)法難點(diǎn)精析(17)語(yǔ)法難點(diǎn)精析之一:虛擬語(yǔ)氣虛擬語(yǔ)氣的重點(diǎn)是:.一些常見(jiàn)的虛擬語(yǔ)氣的句型或結(jié)構(gòu)。.虛擬語(yǔ)氣的特殊形式,即用來(lái)表示要求、的建議、的命令、的提議、的意愿等的主語(yǔ)從句、的賓語(yǔ)從句、的表語(yǔ)從句和同位語(yǔ)從句中的虛擬形式。.主從句表示不同的時(shí)間概念、的事實(shí)或假設(shè)情況,從而交錯(cuò)成為復(fù)合虛擬語(yǔ)氣。.含蓄條件句中的虛擬語(yǔ)氣的表示愿望的虛擬形式。上述四個(gè)要點(diǎn)往往在完形填空或者閱讀理解里面存在,尤其是每年完形填空都至少有一道直接考這方面的知識(shí)的題目,而在閱讀理解里,我們掌握上述四個(gè)重點(diǎn)對(duì)于我們理解文章的大意和作者態(tài)度很有幫助,了解哪些觀(guān)點(diǎn)是作者假設(shè)的、的虛擬的,哪些是真實(shí)的,這樣對(duì)于我們回答關(guān)于作者態(tài)度觀(guān)點(diǎn)題很有幫助。下面我們將主要從上述四個(gè)方面來(lái)重點(diǎn)論述在考試中應(yīng)該注意的問(wèn)題。一、虛擬語(yǔ)氣的常見(jiàn)類(lèi)型和句型(1)由wish引起的表示愿望的虛擬語(yǔ)氣A.用wish表示對(duì)現(xiàn)在的愿望時(shí),它所引起的賓語(yǔ)從句中謂語(yǔ)動(dòng)詞形式為:過(guò)去式(be動(dòng)詞用were).B.用wish表示對(duì)將來(lái)的愿望時(shí),它所引起的賓語(yǔ)從句中謂語(yǔ)動(dòng)詞形式為:would,could,might+動(dòng)詞原形。C.wish用于對(duì)過(guò)去的事實(shí)表示一種不可能實(shí)現(xiàn)的愿望時(shí),賓語(yǔ)從句中的謂語(yǔ)動(dòng)詞形式為:had+動(dòng)詞過(guò)去分詞或could,would+have+動(dòng)詞過(guò)去分詞。Thepictureexhibitionboredmetodeath;IwishIhadnotgonetoit.—“IletJoeborrowourradiofortheafternoon.w "That'sallright,butIwishhewouldbuyoneofhisown.”Iwishthatheweren,tsolazy.hadhoped引起的賓語(yǔ)從句中備用語(yǔ)動(dòng)詞形式為would+動(dòng)詞原形,表示一種過(guò)去未實(shí)現(xiàn)的愿望或令人失望的事。Hisfatherhadhopedthathissonwouldgotobusinesswithhim,buthissonbecameanartistlater.would(had)rather,wouldassoon,wouldsooner和wouldprefer所引起的從句中要求用過(guò)去式表示當(dāng)時(shí)或?qū)?lái)的情況,用過(guò)去完成時(shí)表示過(guò)去的情況,表示希望或婉轉(zhuǎn)的責(zé)備。例如:rdratheryoupostedtheletterrightaway.我倒希望你把這封信立刻寄出去。Iwouldpreferhedidrftstaytheretoolong.我倒希望他不要在那兒可得太久。Iwouldjustassoonyouhadreturnedthebookyesterday.我真希望你昨天把這本書(shū)還了。Ifs(high,about)timethat句型中that從句中要求用虛擬語(yǔ)氣形式,即動(dòng)詞要用過(guò)去式.It,stimethatsomethingwasdoneaboutthetrafficproblemdowntown.Itishightimethatweputanendtothisdiscussion.現(xiàn)在是我們?cè)摻Y(jié)束講座的時(shí)候了。as,或者whether...or...謂語(yǔ)多用be的原形,引導(dǎo)讓步虛擬從句,這種用法通常采用倒裝結(jié)構(gòu):Churchasweusethewordreferstoallreligiousinstitutions,betheyChristian,Islamivc,Buddhist,Jewish,andsoon.Thebusinessofeachday,beitsellinggoodsorshippingthem,wentquitesmoothly.(6)由連接詞incase,sothat,unless,lest,forfearthat引起的狀語(yǔ)從句中,謂語(yǔ)動(dòng)詞要用虛擬形式,即should(might,would)+動(dòng)詞原形,例如:Sheputablanketoverthebabyforfearthatheshouldcatchcold.她在那個(gè)嬰兒身上蓋上了毯子以免他著涼。Thebadmanwasputinthesoft-paddedcelllestheinjurehimself.(7)ifitwerenotfor...與現(xiàn)在事實(shí)相反,ifithadnotbeenfor與過(guò)去事實(shí)相反,兩個(gè)都相當(dāng)于butfor:Ifithadnotbeenforhishelp(=butforhishelp),wewouldnothavesucceeded.(8)虛擬語(yǔ)氣用于asif(though)引起的方式狀語(yǔ)從句和表語(yǔ)從句中,其動(dòng)詞形式與wish賓語(yǔ)從句的形式相同。例如:Sheoftenlaughsspontaneously,andhergoodhumorbreaksoutasbrightlyasifitwereapartofthesunshineabove.她常常發(fā)出發(fā)自?xún)?nèi)心的微笑,而且她那美好的情緒像天上一道明亮的陽(yáng)光一樣,常常流露出來(lái)。Theytalkedasiftheyhadbeenfriendsforyears.他們交談著,就好像他們是我年的老朋友一樣。Shelooksasifshewouldcry.她看起來(lái)好像要哭了。(9)其它各種句型,asthough,suppose,hadrather,supposing,ifonly等等IfIwereinamovie,thenitwouldbeabouttimethatIburiedmyheadinmyhandsforacry.二、特殊形式的虛擬語(yǔ)氣虛擬語(yǔ)氣的特殊形式,即用來(lái)表示要求、的建議、的命令、的提議、的意愿等的主語(yǔ)從句、的賓語(yǔ)從句、的表語(yǔ)從句和同位語(yǔ)從句中的虛擬形式,其虛擬語(yǔ)氣的構(gòu)成往往是由should(可省略)+動(dòng)詞原形that從句。A、的用于表示意愿、的建議、的命令、的提議、的請(qǐng)求等動(dòng)詞后的that賓語(yǔ)從句中,這類(lèi)動(dòng)詞有:ask要求advise建議arrange安排beg請(qǐng)求command命令decide決定demand要求desire渴望determine決定insist堅(jiān)持intend打算maintain堅(jiān)持主張move建議,動(dòng)員propose提議object反對(duì)order命令prefer建議require需要request要求resolve下決心recommend推薦suggest建議stipulate約定,規(guī)定urge強(qiáng)調(diào),促進(jìn)vote公認(rèn),提議decree頒布(法令)pray請(qǐng)求注意:這類(lèi)動(dòng)詞后面除了可接that虛擬句以外,也可以接doing或者todo...來(lái)表達(dá),一般情況下,意思沒(méi)有什么差別。Sheadvisedthatweshouldkeepthegatelocked.(書(shū)面體)Sheadvisedustokeepthegatelocked.(口語(yǔ))Sheadvisedkeepingthegatelocked.(較隨便)B、的用于Itis+形容詞或過(guò)去分詞+主語(yǔ)從句中,這類(lèi)形容詞或分詞有:advisable合理的decided決定的crucial關(guān)鍵的appropriate恰當(dāng)?shù)膁etermined決定的commanded命令的arranged安排的essential緊要的complied遵照anxious焦急的imperative迫切的important重要的desirable合意的better較好的insistent堅(jiān)持的desired想要asked請(qǐng)求keen渴望的incredible難以置信的adamant堅(jiān)定不移的natural自然的insisted堅(jiān)持necessary必要的suggested建議urgent緊迫的ordered命令shocked震驚的vital極其重要的possible可能的strange奇怪的preferable(好一點(diǎn))proposed提議requested要求的required要求的recommended推薦resolved決定的probable(可能的)pity可惜,憾事shame遺憾注意:這類(lèi)形容詞后面除了可接that虛擬句以外,也可以for...todo...來(lái)表達(dá),一般情況下,意思沒(méi)有什么差別。Itisessentialthatheshouldbepreparedforthis.Itisessentialforhimtobepreparedforthis.C.用于由表示建議、的要求、的命令、的請(qǐng)示等含義的名詞引導(dǎo)的表語(yǔ)從句和同位語(yǔ)從句中,這類(lèi)名詞常見(jiàn)的有:advice忠告decision決定demand要求desire要求、的愿望insistence堅(jiān)持motion提議necessity必要性order命令preference偏愛(ài)proposal提議pray懇求recommendation推薦request要求requirement要求resolution決心suggestion勸告、的忠告例如:Thisistheirresolutionthatextra-curriculumactivitiesbemadepartoftheirschoollife.這是他們的決議:要使得課外活動(dòng)成為他們學(xué)校生活的一部分。Themotionthattheremarkofthelastspeakerbeexpungedfromtherecord.該提議要求把最后一個(gè)發(fā)言的人的講話(huà)從記錄上除掉。三、的混合虛擬語(yǔ)氣有時(shí)主句和從句的謂語(yǔ)動(dòng)詞指不同的時(shí)間,這時(shí)需要用混合虛擬語(yǔ)氣。一般來(lái)說(shuō),在這種情況下,主從句謂語(yǔ)動(dòng)詞指代的時(shí)間不同,所以我們又可以錯(cuò)綜時(shí)間條件句,在這種虛擬情況,動(dòng)詞形式應(yīng)根據(jù)實(shí)際情況靈活使用,在做這些題目時(shí)候尤其要注意每道題目的提示語(yǔ):時(shí)間狀語(yǔ)。絕大多數(shù)情況下,從句或者主句都有相關(guān)的時(shí)間狀語(yǔ),這是我解題的關(guān)鍵。Ifyouthatlatemovielastnight,youwouldn,tbesosleepy.A.haven'twatchedB.didn,twatchC.hadn'twatchedD.wouldn'thavewatched答案選C。Manydeadwouldnowbealiveiftheyhavenotattemptedtoreturnforsomething.HadPaulreceivedsixmorevotesinthelastelection,hewouldbeourchairmannow.混合虛擬語(yǔ)氣還有一種情況就是事實(shí)和虛擬假設(shè)的混合句,這樣的句子不僅僅是時(shí)間的不同,而重要是事實(shí)和假設(shè)的混合。Iwouldhavegonetovisithiminthehospitalhaditbeenatallpossible,butIwasfullyoccupiedthewholeoflastweek.該句前半部分是假設(shè)虛擬,而后半部分是事實(shí)的陳述。Yourmathinstructorwouldhavebeenhappytogiveyouamake-upexaminationhadyougoneandexplainedthatyourparentswereillatthetime.該句前半句用的是假設(shè)虛擬,后半句主句也用的是假設(shè)虛擬(如果你去并且解釋的話(huà)),但是后半句的從句用的是事實(shí)語(yǔ)氣,因?yàn)椤案改覆×恕笔强陀^(guān)事實(shí),故不需要用虛擬形式hadbeen.四、的含蓄虛擬條件句含蓄條件句是指句中沒(méi)有明顯的虛擬條件句,而是利用其他手段來(lái)暗示存在虛擬條件。但是這類(lèi)隱含式虛擬條件句往往都可以轉(zhuǎn)化為if引導(dǎo)的條件句。常來(lái)表示含蓄虛擬條件的手段有:(1)介詞或介詞短語(yǔ),如butfor,butthat,without,incaseof,undermorefavorablecondition等。theleadershipoftheparty,wecouldnotbelivingahappytoday.=Iftherehadn,tbeentheleadershipoftheparty,wecouldnotbe1ivingahappytoday.A.InspiteofB.ButforC.BecauseofD.Asfor答案選B。Butthatshewasafraid,shewouldhavesaidno.(2)連詞,如:sothat,unless,incase,supposing,lest,provided(倘若 ),forfearthat(唯恐),inorderthat,onconditionthat,ifonly(要是……就好了)等。Shelistenedcarefullyinorderthatshemightdiscoverexactlywhathewanted.=ifshelistenedcarefully,shemightdiscoverexactlywhathewanted.IfonlyIhadmoremoney,Icouldbuyacar.(注:lest,forfearthat和incase引起的從句中謂語(yǔ)動(dòng)詞多用should+動(dòng)詞原形,但可以不用虛擬語(yǔ)氣,而用動(dòng)詞的陳述語(yǔ)氣形式。)例如:Theforeignteacherspokeslowlyincasewemisunderstoodhim.這位外籍教師說(shuō)得很慢以免我們聽(tīng)不懂。Caremustbetakeninusingthismethodlestoverflowshouldoccur.在使用此法時(shí)要小心謹(jǐn)慎,以免會(huì)發(fā)生溢流現(xiàn)象。(3)通過(guò)上下文及內(nèi)在含義,句中往往有but,otherwise,unfortunately等類(lèi)似轉(zhuǎn)折詞。Ithoughtthechildrenwhenwereturnedhome,buttheywerestillawake.A.weresleepingB.wouldbesleepingC.hadbeensleepingD.wouldsleep選擇B.(4)形容詞及其比較級(jí)Amorecarefulpersonwouldnothavemadesomanymistakes.Alessconscientiousmanwouldn,thavetriedsohardtogetthisjobdone.(5)分詞短語(yǔ)Havingknownintime,wemighthavepreventedtheaccident.Borntendaysearlier,theboycouldhaveseenhislatefather.(6)動(dòng)詞不定式短語(yǔ)。一般intended/meant/hoped/wished/planned或was/were+不定式完成式或hadintended/meant/planned/hoped/wished/+不定式一般式表示虛擬。IintendedIshouldcallonyou,butIwasbusyatthattime.TohearhimspeakFrench,youwouldtakehimforanEnglishman.Shewouldbestupidnottoaccepthisinvitation.Itwouldbeeasiertodoitthisway.⑺名詞短語(yǔ)和名詞+and結(jié)構(gòu)Ajudiciousmanwouldnothavecommittedsuicide.Adiligentstudentwouldhaveworkedharder.⑻獨(dú)立主格結(jié)構(gòu)Allthingsconsidered,thepricewouldbereasonable.⑼定語(yǔ)從句Anyonewhohadbeeninyourpositionwouldhavedonethesame.Anation,whichstoppedworking,wouldbedeadinafortnight.(10)情態(tài)動(dòng)詞完成式暗示虛擬語(yǔ)氣:Ishouldhavecalledtomakeanairlinereservation,butIdidn,t.Theporteroughttohavecalledthefire-brigadeassoonashesawthefireinthestock,whichwentupinsmoke.(11)動(dòng)詞原形表示虛擬動(dòng)詞原形直接用在句子中也被看作是一種虛擬,最常見(jiàn)于正式文體中,動(dòng)詞原形一般用在條件從句中,有時(shí)倒裝置于句首,同時(shí)這種用法也常見(jiàn)于獨(dú)立句中表達(dá)愿望。Godblessyou!Allmagnetsbehavethesame,betheylargeorsmall.She'11besixteenyearsodd,comMay.(comeMay=whenMaycome).Ifthatbeso,weshalltakeactionatonce.強(qiáng)化訓(xùn)練:虛擬語(yǔ)氣Wereitnotforthesnowyweather,weallright.A.wouldbeB.wouldhavebeenC.wereD.maybemorecareful,hisshipwouldnothavesunk.A.IfthecaptainwereB.HadthecaptainbeenC.ShouldthecaptainbeD.IfthecaptainwouldhavebeenIfhemetomorrow,Iwouldlethimknow.A.shouldcallB.shouldnothavebeenableC.werenotableD.arenotableIfyouaskedyourfatheryoupermission.A.maygetB.mightgetC.shouldhavecalledD.maybegettoday,hewouldgettherebyFriday.A.WouldheleaveB.WasheleavingC.WerehetoleaveD.Ifheleaves Iyou,Iwouldgowithhimtotheparty.A.WasB.HadbeenC.WillbeD.WereThemillionsofcalculationsinvolved,hadtheybeendonebyhand, allpracticalvaluebythetimetheywerefinished.A.couldloseB.wouldhavelostC.mightloseD.oughttohavelostHadPaulreceivedsixmorevotesinthelastelection,heourchairmannow.A.musthavebeenB.wouldhavebeenC.wereD.wouldbeIfyouJerryBrownuntilrecently,you,dthinkthephotographontherightwasstrange.A.shouldn,tcontactB.didn'tcontactC.weren'ttocontactD.hadn'tcontactedheEnglishexaminationIwouldhavegonetotheconcertlastSundayA.InspiteofB.ButforC.BecauseofD.AsforLookattheterriblesituationIamin!IfonlyIyouradviceA.followB.wouldfollowC.hadfollowedD.havefollowedHadPaulreceivedsixmorevotesinthelastelection,heourchairmannow.A.musthavebeenB.wouldhavebeenC.wereD.hadn'tcontactedIfthehorsewontoday,itthirtyracesinfiveyears.A.wouldhavewonB.wonC.musthavewonD.didhavewonThereisarealpossibilitythattheseanimalscouldbefrightened, asuddenloudnoise.A.beingthereB.shouldtherebeC.therewasD.therehavingbeenTheboarddeemediturgentthatthesefilesrightaway.A.hadtobeprintedB.shouldhavebeenprintedC.mustbeprintedD.shouldbeprinted②在先行詞與定語(yǔ)從句之間插入一個(gè)定語(yǔ)。如:DoyourememberoneafternoontenyearsagowhenIcametoyourhouseandborrowedadiamondnecklace?你還記得嗎,十年前的一天下午,我來(lái)到你家,找你借了一條鉆石項(xiàng)鏈?whenIcametoyourhouseandborrowedadiamondnecklace實(shí)際上是修飾afternoon而不是修飾years。tenyearsago實(shí)際上是定語(yǔ)后置修飾afternoon。③先行詞與定語(yǔ)從句被謂語(yǔ)分隔開(kāi)來(lái)。此時(shí),先行詞通常是句子的主語(yǔ),因定語(yǔ)從句較長(zhǎng),主句謂語(yǔ)較短,為使句子平衡,常將定語(yǔ)從句移至謂語(yǔ)之后如:Anewmasterwi11cometomorrowwhowillteachyouGerman.明天,新(男)老師將來(lái)較你德語(yǔ)。強(qiáng)化訓(xùn)練JeanWagner'smostenduringcontributiontothestudyofAfro-Americanpoetryishisinsistencethatitinareligious,aswellasworldly,frameofreference.A.istobeanalyzedB.hasbeenanalyzedC.beanalyzedD.shouldhavebeenanalyzedIwouldhavegonetovisithiminthehospitalhaditbeenatallpossible,butI fullyoccupiedthewholeoflastweek.A.wereB.hadbeenC.havebeenD.wasIapologizeifIyou,butIassureyouitwasunintentional.A.offendB.hadoffendedC.shouldhaveoffendedD.mighthaveoffended19.Ifyouhadn'ttakensuchalongtimetogetdressed,we,dtherebynow.A.beB.circlesC.iscirclingD.becirclingThesunrisesintheeastandsetsinthewest,soitseemsasifthesun roundtheearth.A.werecirclingB.circlesC.iscirclingD.becircling21.IwishthatI withyoulastnight.A.wentB.havegoneC.couldgoD.couldhavegoneIwishIwithher.A.wouldbeB.amC.wasD.wereIwishthatItheconcertlastnight.A.couldB.haveattendedC.couldhaveattendedD.attendedThepictureexhibitionboredmetodeath.IwishItoit.A.hadnotgoneB.havenotgoneC.didnotgoD.cannothavegoneMIwishyoumetoputthesethingsaway,"hesaid.A.wi11helpB.helpC.arehelpingD.wouldhelpIftheWatergateIncidentNixonwouldnothaveresignedfromthepresidency.A.didnotoccurB.hadnotoccurredC.wasnotoccurringD.becirclingIhadn'texpectedJamestoapologizebutIhadhoped.A.himcallingmeB.thathewouldcallmeC.himtocallmeD.thathecallmeGeorgewouldcertainlyhaveattendedtheproceedings.A.ifhedidn'tgetaflattireB.iftheflattirehadn'thappenedC.hadhenothadaflattireD.hadthetirenotflatteneditselfTheteachersuggestedthatherstudentsexperienceswithESP.A.writeacompositionontheirB.towritecompositionabouttheC.wrotesomecompositionsofhisorherD.hadwrittenanycompositionsforhisHespeaksChineseasfluentlyasifhe aChinese.A.wereB.hadbeenC.isD.hasbeenAsusual,heputonashowasthoughhistripagreatsuccess.A.hadbeenB.hasbeenC.wereD.wasLookingroundthetown,hefeltasthoughheawayforages.A.hasbeenB.wasC.isD.hadbeenJohnissostronglybuiltthathelooksasifheaselephant.A.liftsB.isliftingC.liftedD.couldliftHedescribedthetownasifheithimself.A.hadseenB.hasseenC.sawD.seesAtthatthoughtheshookhimself,asthoughhefromanevildream.A.wokeB.wakesC.wouldwakeD.hadwokeMostinsuranceagentswouldratheryouanythingaboutcollectingclaimsuntiltheyinvestigatethesituation.A.doB.don'tC.didn'tD.didn'tdoAlthoughmostadoptedpersonswanttherighttoknowwhotheirnaturalparentsare,somewhohavefoundthemwishthattheytheexperienceofmeeting.A.hadn'tB.didn'thavehadC.hadn'thadD.hadn*thaveItisimportantthattheTOEFLofficeyourregistration.A.wi11confirmB.confirmC.confirmsD.mustconfirmWithoutelectroniccomputers,muchoftoday5sadvancedtechnology.A.willnothavebeenachievedB.havenotbeenachievedC.wouldnothavebeenachievedD.hadnotbeenachievedHetoldhertoreturnthebookintimesothatothersachancetoreadit.A.mayhaveB.willhaveC.wouldhaveD.mighthaveItistimethatthegovernmentmeasurestoprotecttherarebirdsandanimals.A.takesB.tookC.hastakenD.takingSomepeoplearetooparticularaboutschoolrecords,insistingthateveryapplicant alldiplomasfromelementaryschooltouniversity.A.hasB.willhaveC.shouldhaveD.musthaveHewasverybusyyesterday,otherwisehetothemeeting.A.wouldcomeB.cameC.wouldhavecomeD.hadcomeImustsayhereadsverywell,andIshouldn,tbesurprisedifheactingforalivingoneday.A.hadtakenupB.takesupC.havetakenupD.wouldhavetakenupIfIhadseenthemovie,Iyouallaboutitnow.A.wouldtellB.willtel1C.havetoldD.wouldhavetoldIhadn'texpectedHenrytoapologizebutIhadhoped.A.himtcallmeupB.himcallingmeupC.thathewouldcallmeupD.thathewi11callmeIhadhopedthatJohn ayearinAfrica,buthestayedthereonlyforthreemonths.A.spendsB.spentC.wouldspendD.willspendIhadhopedthatJenniferadoctor,butshewasn'tgoodenoughatscience.A.wi11becomeB.becameC.wouldbecomeD.becomesrdratheryouanythingaboutitforthetimebeing.A.doB.didn'tdoC.don,tD.didn,trdjustassoon rudelytoher.A.thatyouwon'tspeakB.younotspeakingC.younotspeakD.youdidn*tspeakIt'shightimetheythisroad.A.mendB.mendedC.musthavemendedD.willmendIt,sabouttimepeople noticeofwhatwomendidduringthewar.A.takeB.tookC.havetakenD.willtakeEverybodyhasarrived.It'stimewetheclass.A.shallstartB.wouldstartC.hadstartedD.starttheEnglishexaminationIwouldhavegonetotheconcertlastSunday.A.InspiteofB.ButforC.BecauseofD.AsforMarymyletter;otherwiseshewouldhaverepliedbeforenow.A.hasreceivedB.oughttohavereceivedC.couldn,thavereceivedD.shouldn,thavereceivedJohndidnotfeelwellyesterday;otherwisehe toseehisclassmatesoff.A.cameB.wouldcomeC.wouldhavecomeD.shouldbecoiningHe'sworkinghardforfearthathe.A.shouldfallbehindB.fellbehindC.mayfallbehindD.wouldfallbehindWithoutthedreamsoftheyouth,thisinventionmightforacentury.A.havebeenpostponedB.hasbeenpostponedC.postponeD.bepostponedInthepastmengenerallypreferredthattheirwives inthehome.A.workedB.wouldworkC.workD.wereworkingForachildtogiveuphislessmatureideaforamorematureone,itrequiresthatthechildpsychologicallyreadyforthenewidea.A.isB.wereC.beD.wouldbeTom'sfather,aswellashismother,inNewYorkforafewdaysmore.A.askhimtostayB.askhetostayC.askshestaysD.askshestay62.Youradvicethat tillnextweekisreasonable.A.shewaitsB.shewaitC.waitsheD.shewaitedTheboarddeemediturgentthatthesefilesrightaway.A.hadtobeprintedB.shouldhavebeenprintedC.mustbeprintedD.shouldbeprintedItwasessentialthatweleasebeforetheendofthemonth.A.singB.singedC.hadsignedD.weresigningItisappropriatethatsometime thoroughstudyoftheresultsoftheApollomission.A.devotestoB.devotedtoC.isdevotedtoD.bedevotedto答案與詳解A.條件句表示與現(xiàn)在事實(shí)相反的虛擬。B.條件句表示與過(guò)去事實(shí)的虛擬。A.條件句表示與未來(lái)事實(shí)的虛擬。B.條件句表示與未來(lái)事實(shí)的相反。C.條件句表示與現(xiàn)在事實(shí)的虛擬。D.條件句表示與現(xiàn)在事實(shí)的虛擬。B.這個(gè)句子中含有一個(gè)省略if,把助動(dòng)詞提前到主語(yǔ)they之前的虛擬條件句,該條件句表示對(duì)過(guò)去情況的假設(shè),而主句中bythetimetheywerefinished表明主句也應(yīng)該是對(duì)過(guò)去發(fā)生的情況的假設(shè),因而應(yīng)該選(B)wouldhavelost為正確答案。(D)這道題目是一個(gè)混合虛擬語(yǔ)氣的句子。條件句省略了if,把助詞had提前到主語(yǔ)前面,表示對(duì)過(guò)去情況的假設(shè),而主句中now表明了對(duì)現(xiàn)在情況的假設(shè),所以應(yīng)選would(should,could,might)+動(dòng)詞原形這種表達(dá)形式。四個(gè)選項(xiàng)中只有(D)是正確表達(dá)形式,故為正確答案.(D)untilrecently,因此(D)是正確答案,而主句是隱含的對(duì)現(xiàn)在情況的假設(shè),該句是一個(gè)混合虛擬條件句。(B)假設(shè)的情況有時(shí)不是用一個(gè)條件句表示,而是隱含在一個(gè)由介詞如butfor、的butthat、的without,由連詞but、的副詞otherwise、的比較級(jí)、的形容詞、的獨(dú)立主格等表示的上下文中。本句主句表示對(duì)過(guò)去情況的假設(shè),但事實(shí)上由于英語(yǔ)考試而沒(méi)有去成,即若不是因?yàn)橛⒄Z(yǔ)考試,我本可以去聽(tīng)音樂(lè)會(huì),所以應(yīng)選Butfor為正確答案.(C)題目中的第一句話(huà)表示的是現(xiàn)在真實(shí)的情況,而第二句話(huà)中所要表達(dá)的是應(yīng)該做但事實(shí)上沒(méi)有做的事,這種情況導(dǎo)致第一句話(huà)中真實(shí)情況的發(fā)生,故If0nly條件句假設(shè)的是過(guò)去一種情況,因此應(yīng)該用had+過(guò)去分詞,所以正確答案是(O.D.注意主句now表示現(xiàn)在的時(shí)間狀語(yǔ),所以主句是對(duì)現(xiàn)在虛擬,從句是對(duì)過(guò)去虛擬。A.從句對(duì)過(guò)去的虛擬。B.從句表示虛擬,而主句是事實(shí)。(D)it是形式賓語(yǔ),urgent是賓語(yǔ)補(bǔ)足語(yǔ),that引導(dǎo)的從句是真正的賓語(yǔ)從句,該從句的內(nèi)容被認(rèn)為是urgent(急迫的),這樣從句的謂語(yǔ)動(dòng)詞要求用虛擬語(yǔ)氣形式,即should(可以省略)+動(dòng)詞原形。因此,本題正確答案是(D)。(C)在表示要求、的愿望、的建議、的請(qǐng)求、的命令等含義的名詞同位語(yǔ)從句中,從句謂語(yǔ)動(dòng)詞要用虛擬語(yǔ)氣形式,即should(可以省略)+動(dòng)詞原形。(D)本道題目的前半句話(huà)是對(duì)過(guò)去情況的一種假設(shè),但事實(shí)上并沒(méi)有發(fā)生,而事實(shí)上沒(méi)有發(fā)生的真實(shí)原因是句子的后半部分由but引導(dǎo)的轉(zhuǎn)折句所表述的真實(shí)。因而but所引導(dǎo)的句子中應(yīng)該用表示志過(guò)去事實(shí)相符合的表陳述的時(shí)態(tài),即一般過(guò)去時(shí)。(B)此題要求在if從句中選擇適當(dāng)?shù)膭?dòng)詞形式,以主句中的動(dòng)詞apologize(抱歉)來(lái)看,if從句中表達(dá)的內(nèi)容應(yīng)該是過(guò)去做的事,因此可以排除(A),因?yàn)椋ˋ)是現(xiàn)在時(shí)。(C)中should+have+過(guò)去分詞結(jié)構(gòu)表示本來(lái)應(yīng)該做卻沒(méi)有做的事,在此不合題意。(D)選項(xiàng)中的might+have+過(guò)去分詞表示對(duì)過(guò)去發(fā)生的事情很不肯定的猜測(cè),它表達(dá)的內(nèi)容還不能成為事實(shí),所以藉此道歉真是不知從何說(shuō)起,因此此處也不合題意。(B)hadoffended表示當(dāng)時(shí)已經(jīng)發(fā)生了的動(dòng)作。這是復(fù)雜條件句:apologize是現(xiàn)在,而條件句是表示對(duì)過(guò)去假設(shè)的條件句。(A)該句也是一個(gè)復(fù)雜條件句(或稱(chēng)作混合虛擬條件句)。條件句表示對(duì)過(guò)去情況的假設(shè),而主句表示對(duì)現(xiàn)在情況的假設(shè),但事實(shí)上卻與此相反,所以正確答案應(yīng)該是(A)。(A)asif引導(dǎo)的從句要求用虛擬語(yǔ)氣,表示同時(shí)或?qū)?lái)的情況,動(dòng)詞要用過(guò)去式(be動(dòng)詞用were)或would(could等)+動(dòng)詞原形,本句話(huà)中指的是當(dāng)時(shí)的情況,所以要用過(guò)去式,故(A)是正確答案。D.D.C.A.D.(B)hadnotoccurred表示對(duì)過(guò)去的虛擬,條件句中要用過(guò)去完成式,主句中要用should(would,could,might)+動(dòng)詞原形的過(guò)去分詞。(B)hadhoped是常見(jiàn)的要求其后的賓語(yǔ)從句用虛擬語(yǔ)氣的句型,虛擬語(yǔ)氣would+動(dòng)詞原形。(C)表示對(duì)過(guò)去情況的假設(shè),主句動(dòng)詞形式為would(should,could,might)+have+過(guò)去分詞,條件句為過(guò)去完成式,if可以省略,但要把had提前主語(yǔ)前面。(B),(D)的表達(dá)不符合英語(yǔ)表達(dá)習(xí)慣,所以(C)是正確答案。(A)suggest后面的從句要用虛擬語(yǔ)氣形式,其形式為should(可以省略)+動(dòng)詞原形。A.表示與現(xiàn)在相反的虛擬。A.asthough引導(dǎo)的與過(guò)去相反的虛擬。D.felt是過(guò)去式,所以該句是由asthough引導(dǎo)的與過(guò)去相反的虛擬。D.asif引導(dǎo)的與現(xiàn)在事實(shí)相反的虛擬。A.asif引導(dǎo)的與過(guò)去相反的虛擬。C.(D)wouldrather后接從句要求用虛擬語(yǔ)氣,形式為過(guò)去式,表示對(duì)現(xiàn)在或?qū)?lái)的假設(shè),或?yàn)檫^(guò)去完成式表示對(duì)過(guò)去的情況的假設(shè)。(C)who引導(dǎo)的定語(yǔ)從句中的現(xiàn)在完成時(shí)表示動(dòng)作業(yè)已發(fā)生,所以主句中表示的虛擬是針對(duì)已經(jīng)發(fā)生了的行為,所以應(yīng)該用過(guò)去完成式表示對(duì)過(guò)去的虛擬。(B)(C)這是一人含蓄虛擬條件句,通過(guò)介詞短語(yǔ)without,表示潛在的一種假設(shè),而主句中的情況也早已經(jīng)發(fā)生,所以是對(duì)過(guò)去情況的一種假設(shè),因此用wouldnothavebeenachieved這一形式。(D)連sothat引導(dǎo)的從句中要求用虛擬語(yǔ)氣,表示一種假設(shè),形式為might+動(dòng)詞原形。(B)Itistimethat是一種要求從句用虛擬語(yǔ)氣的常見(jiàn)句型。虛擬語(yǔ)氣形式為動(dòng)詞的過(guò)去式。(C)(C)otherwise用來(lái)表示一種含蓄的虛擬假設(shè),因?yàn)槭菍?duì)過(guò)去(yesterday)的情況的假設(shè),所以應(yīng)該用wouldhavecome形式.(B)所給的四個(gè)選項(xiàng)中沒(méi)有一個(gè)表示對(duì)未來(lái)的情況的虛擬的形式should+動(dòng)詞原形,或是weretodo,因此可以斷定if引導(dǎo)的條件句在這里最真實(shí)的條件句,用一般現(xiàn)在時(shí)表示一般將來(lái)時(shí),故(B)是正確答案。語(yǔ)法難點(diǎn)精析之二:非謂語(yǔ)動(dòng)詞非謂語(yǔ)動(dòng)詞主要包括不定式、的動(dòng)名詞和現(xiàn)在分詞。為了區(qū)分這三種不同的非謂語(yǔ)動(dòng)詞的用法和含義,我們將分別從三種非謂語(yǔ)動(dòng)詞在句子中做主語(yǔ)、的賓語(yǔ)、的賓語(yǔ)補(bǔ)足語(yǔ)、的定語(yǔ)、的狀語(yǔ)、的表語(yǔ)以及一些特殊結(jié)構(gòu)句型等角度來(lái)區(qū)分其用法和細(xì)微含義。.不定式和動(dòng)名詞作主語(yǔ)的區(qū)別⑴動(dòng)名詞作主語(yǔ)通常表示抽象動(dòng)作;而不定式作主語(yǔ)表示具體動(dòng)作。Smokingisprohibited(禁止)here.這里禁止抽煙。(抽象)Itisnotverygoodforyoutosmokesomuch.你抽這么多煙對(duì)你身體很不好。(具體)⑵動(dòng)名詞作主語(yǔ)時(shí),通常用以表示一件已知的事或經(jīng)驗(yàn)。不定式短語(yǔ)通常用來(lái)表示一件未完成的事或目的。Climbingmountainsisinteresting.爬山很有趣。(經(jīng)驗(yàn))Drivingacarduringtherushhouristiring.在高峰時(shí)刻開(kāi)車(chē)令人厭煩。(經(jīng)驗(yàn))(3)不定式做主語(yǔ),一般用it當(dāng)形式主語(yǔ),把作主語(yǔ)的不定式短語(yǔ)后置。Ittookmeonlyfiveminutestofinishthejob..不定式、的動(dòng)名詞和分詞作表語(yǔ)的區(qū)別⑴不定式作表語(yǔ)D不定式作表語(yǔ)一般表示具體動(dòng)作,特別是表示將來(lái)的動(dòng)作。Todotwothingsatatimeistodoneither.一次做兩件事等于未做。WhatIwouldsuggestistostartworkatonce.我的建議是立刻開(kāi)始干。2)如果主語(yǔ)是不定式(表示條件),表語(yǔ)也是不定式(表示結(jié)果)。Toseeistobelieve.百聞不如一見(jiàn)。Toworkmeanstoearna1iving.工作就是為了生活。3)如果主語(yǔ)是以aim,duty,hope,idea,happiness,job,plan,problem,purpose,thing,wish等為中心的名詞,或以what引導(dǎo)的名詞性從句,不定式作表語(yǔ)是對(duì)主語(yǔ)起補(bǔ)充說(shuō)明作用。Hiswishistobuyaluxuriouscarinthenearfuture.他的希望是在不遠(yuǎn)的將來(lái)買(mǎi)一輛豪華轎車(chē)。ThefunctionofLouisSul1ivan,sarchitecturewastoprovidelargeuninterruptedfloorareasandtoallowamplelightintotheinterior.Themostimportantthingistonegotiatewiththemaboutthefutureoftheplant.⑵動(dòng)名詞作表語(yǔ):動(dòng)名詞作表語(yǔ),表示抽象的一般性的行為。Ourworkisservingthepeople.我們的工作是為人民服務(wù)。Hishobbyiscollectingstamps.他的愛(ài)好是集郵。(注)動(dòng)名詞作表語(yǔ)時(shí)與進(jìn)行時(shí)態(tài)中的現(xiàn)在分詞形式相同,但其所屬結(jié)構(gòu)迥異,進(jìn)行時(shí)態(tài)說(shuō)明動(dòng)作是由主語(yǔ)完成的。動(dòng)名詞做表語(yǔ),說(shuō)明主語(yǔ)的性質(zhì)或情況。Peoplecannotbutfeelpuzzled,fortheysimplycannotunderstandhowhecouldhavemadesuchastupidmistake.HisvictoryinthefinalwasnomoreconvincingthanIhadexpected.⑶分詞作表語(yǔ)分詞做表語(yǔ)有兩種情況,一種是現(xiàn)在分詞做表語(yǔ),一種是過(guò)去分詞做表語(yǔ),這兩.不定式和動(dòng)名詞作賓語(yǔ)的區(qū)別英語(yǔ)中大多數(shù)動(dòng)詞既可跟不定式,也可跟動(dòng)名詞作直接賓語(yǔ),但有些動(dòng)詞要求:⑴不定式做賓語(yǔ)和賓語(yǔ)補(bǔ)足語(yǔ)1)下面的動(dòng)詞要求不定式做賓語(yǔ)attempt企圖enable能夠neglect忽視afford負(fù)擔(dān)得起demand要求long渴望arrange安排destine注定mean意欲,打算begin開(kāi)始expect期望omit忽略,漏appear似乎,顯得determine決定manage設(shè)法cease停止hate憎恨,厭惡pretend假裝ask問(wèn)dread害怕need需要agree同意desire愿望love愛(ài)swear宣誓volunteer志愿wish希望bear承受endeavor努力offer提供beg請(qǐng)求fail不能plan計(jì)劃bother擾亂;煩惱forget忘記prefer喜歡,寧愿care關(guān)心,喜歡happen碰巧prepare準(zhǔn)備decide決定learn學(xué)習(xí)regret抱歉,遺憾choose選擇hesitate猶豫profess表明claim要求hope希望promise承諾,允許start開(kāi)始undertake承接want想要consent同意,贊同intend想要refuse拒絕decide決定learn學(xué)習(xí)vow起contrive設(shè)法,圖謀incline有…傾向propose提議seek找,尋覓try試圖2)下面的動(dòng)詞要求不定式做賓補(bǔ):動(dòng)詞+賓語(yǔ)+動(dòng)詞不定式ask要求,邀請(qǐng)get請(qǐng),得到prompt促使allow允許forbid禁止prefer喜歡,寧愿announce宣布force強(qiáng)迫press迫使bride收買(mǎi)inspire鼓舞request請(qǐng)求assist協(xié)助hate憎惡pronounce斷定,表示advise勸告exhort告誡,勉勵(lì)pray請(qǐng)求authorize授權(quán),委托help幫助recommend勸告,推薦bear容忍implore懇求remind提醒beg請(qǐng)求induce引誘report報(bào)告compel強(qiáng)迫invite吸引,邀請(qǐng),summon傳喚command命令intend想要,企圖show顯示drive驅(qū)趕mean意欲,打算train訓(xùn)練cause引起instruct指示require要求deserve應(yīng)受leave使,讓tell告訴direct指導(dǎo)like喜歡tempt勸誘entitle有資格order命令warn告誡enable使能夠need需要urge激勵(lì),力說(shuō)encourage鼓勵(lì)oblige不得不want想要condemn指責(zé),譴責(zé)lead引起,使得teach教entreat懇求permit允許wish希望⑵有少數(shù)動(dòng)詞只能用動(dòng)名詞作賓語(yǔ)acknowledge承認(rèn),自認(rèn)cease停止mention說(shuō)到,講到admit承認(rèn)tolerate忍受dislike不喜歡,討厭advocate:提倡,主張complete完成dread可怕appreciate感激,欣賞confess坦白endure忍受avoid避免contemplate細(xì)想enjoy享有,喜愛(ài)bear忍受defer拖延envy嫉妒can*thelp不禁delay延遲escape逃跑,逃避can,tstand受不了deny否認(rèn)excuse借口consider考慮detest嫌惡fancy幻想,愛(ài)好favor造成,偏愛(ài)mind介意repent悔悟figure描繪,計(jì)算miss錯(cuò)過(guò)resent怨恨finish完成,結(jié)束不得pardon原諒,饒恕resist抵抗,阻止forgive原諒permit允許resume恢復(fù)imagine設(shè)想postpone延遲,延期risk冒險(xiǎn)involve卷入,包含practice實(shí)行,實(shí)踐suggest建議hate討厭prevent阻止save營(yíng)救,儲(chǔ)蓄keep保持quit放棄停止stand堅(jiān)持,忍受loathe非常討厭,厭惡recall回想例如:Iappreciatehavingbeengiventheopportunitytostudyabroadtwoyearsago.我很感激兩年前給我出國(guó)學(xué)習(xí)的機(jī)會(huì)。⑶有些動(dòng)詞后使用動(dòng)名詞和動(dòng)詞不定式作賓語(yǔ)的差別forgettodo忘記要去做某事(此事未做)forgetdoing忘記做過(guò)某事(此事已做過(guò)或已發(fā)生)stoptodo停止、的中斷(某件事),目的是去做另一件事stopdoing停止正在或經(jīng)常做的事remembertodo記住去做某事(未做)rememberdoing記得做過(guò)某事(已做)regrettodo對(duì)要做的事遺憾regretdoing對(duì)做過(guò)的事遺憾、的后悔)trytodo努力、的企圖做某事trydoing試驗(yàn)、的試一試某種辦法meantodo打算,有意要…meandoing意味著goontodo繼而(去做另外一件事情)goondoing繼續(xù)(原先沒(méi)有做完的事情)proposetodo打算(要做某事)proposingdoing建議(做某事)like/love/hate/prefer+todo表示具體行為;+doingsth表示抽象、的傾向概念(注)如果這些動(dòng)詞前有should一詞,其后賓語(yǔ)只跟不定式,不能跟動(dòng)名詞。例如:Ishouldliketoseehimtomorrow.need,want,deserve+動(dòng)名詞表被動(dòng)意義;+不定式被動(dòng)態(tài)表示“要(修、的清理等)”意思。Ineedapentowritewith.我需要一支筆寫(xiě)字。Thereisnothingtoworryabout.沒(méi)有什么值得發(fā)愁的。4)不定式修飾一些表示方向、的原因、的時(shí)間、的機(jī)會(huì)、的權(quán)利等抽象名詞如:ability能力,本領(lǐng)drive趕,駕駛movement運(yùn)動(dòng),活動(dòng)ambition抱負(fù),野心effort努力,嘗試need需要,需求campaign戰(zhàn)役,運(yùn)動(dòng)failure失敗,不及格opportunity機(jī)會(huì)chance機(jī)會(huì)force力,壓力,要點(diǎn)promise許諾,希望courage勇氣intention意向,意圖reason理由,原因decision決定method方法,方式light光,光線(xiàn),亮光determination決心,決定motive動(dòng)機(jī),目的struggle奮斗,努力,tendency傾向,趨勢(shì)wish希望,愿望,祝愿5)被修飾的名詞前有序數(shù)詞、的形容詞最高級(jí)或next,second,last,only和nota,the等限定詞時(shí)候,只能用不定式。6)不定代詞something,nothing,little,much,alot等習(xí)慣上用不定式做定語(yǔ)。Johnwilldoanythingbutworkonafarm.除了農(nóng)活,約翰什么都愿意干。7)如果其動(dòng)詞要求用不定式做賓語(yǔ),或者其形容詞要器接不定式做補(bǔ)語(yǔ),則相應(yīng)的名詞一般用不定式做定語(yǔ)。如:tendtodo—tendencytodo;decidetodo=decisiontodo;becurioustodo=curiositytodoHiswishtobuyacarcametrue.他要買(mǎi)輛車(chē)的愿望實(shí)現(xiàn)了。Theirdecisiontogiveuptheexperimentsurprisedus.他們放棄這個(gè)實(shí)驗(yàn)的決定使我們大吃一驚。Heisalwaysthefirsttocomeandthelasttoleave.他總是第一個(gè)到來(lái),最后一個(gè)離去。⑵分詞作定語(yǔ)分詞作定語(yǔ)時(shí)有下面幾個(gè)特點(diǎn):1)現(xiàn)在分詞表示主動(dòng)意義,過(guò)去分詞一般表示被動(dòng)含意。2)現(xiàn)在分詞表示正在進(jìn)行,過(guò)去分詞表示狀態(tài)或做完(完成)的事。Herushedintotheburninghouse.他沖進(jìn)了正在燃燒著的房子。Thechildstandingoverthereismybrother.站在那兒的男孩子是我弟弟。Theroomfacingsouthisourclassroom.朝南的房間是我們的教室。Haveyougotyourwatchrepaired?你拿到那個(gè)修好的表了嗎?Heisanadvancedteacher.他是個(gè)先進(jìn)教師。3)下列不及物動(dòng)詞也以過(guò)去分詞形式做定語(yǔ)或表語(yǔ),但不具有被動(dòng)意義,這點(diǎn)要注意:departed,elapsed,faded,fallen,gone,frown-up,retired,returned,risen,set,vanished,much-traveled,newly-arrived,recently-come⑶不定式和分詞作定語(yǔ)時(shí)的時(shí)間關(guān)系一般來(lái)說(shuō),不定式所表示的動(dòng)作發(fā)生在謂語(yǔ)動(dòng)詞所表示的動(dòng)作之后;現(xiàn)在分詞所表示的動(dòng)作與謂語(yǔ)動(dòng)詞所表示的動(dòng)作同時(shí)發(fā)生;過(guò)去分詞表示的動(dòng)作發(fā)生在謂語(yǔ)動(dòng)詞所表示的動(dòng)作之前。例如:DoyouwanttoseethedoctortobesentforfromBeijing?你要見(jiàn)那位將從北京請(qǐng)來(lái)的醫(yī)生嗎?Doyouwanttoseethedoctorworkingonthecasereportintheoffice?你要見(jiàn)那位正在辦公室里寫(xiě)病歷的醫(yī)生嗎?.不定式和分詞作狀語(yǔ)的區(qū)別(1)現(xiàn)在分詞與過(guò)去分詞作狀語(yǔ)的區(qū)別?,F(xiàn)在分詞做狀語(yǔ)與過(guò)去分詞做狀語(yǔ)的最主要區(qū)別在于兩者與所修飾的主語(yǔ)的主動(dòng)與被動(dòng)關(guān)系的區(qū)別。1)現(xiàn)在分詞作狀語(yǔ)時(shí),現(xiàn)在分詞的動(dòng)作就是句子主語(yǔ)的動(dòng)作,它們之間的關(guān)系是主動(dòng)關(guān)系。Hewentoutshuttingthedoorbehindhim.他出去后將門(mén)隨手關(guān)上。Notknowingwhattodo,hewenttohisparentsforhelp.由于不知如何辦是好,他去找父母幫忙。2)過(guò)去分詞作狀語(yǔ)時(shí),過(guò)去分詞表示的動(dòng)作是句子主語(yǔ)承受的動(dòng)作,它們之間的關(guān)系是被動(dòng)關(guān)系.Givenmoreattention,thetreescouldhavegrownbetter.如果對(duì)這些樹(shù)多關(guān)心一些,它們本來(lái)會(huì)長(zhǎng)得更好。Facedwithdifficulties,wemusttrytoovercomethem.在遇到困難的時(shí)候,我們必須設(shè)法克服。⑵動(dòng)詞不定式和分詞作狀語(yǔ)的區(qū)別D分詞作狀語(yǔ)一般表示伴隨,而不定式常常表示目的。Theystoodbytheroadsidetalkingabouttheplan.他們站在路邊談?wù)撝@個(gè)計(jì)劃。(伴隨)Theystoodbytheroadsidetotalkabouttheplan.他們站在路邊為的是談?wù)撨@個(gè)計(jì)劃。(目的)2)分詞作狀語(yǔ)放在句子開(kāi)頭,除表示原因之外有時(shí)表示時(shí)間或條件。動(dòng)詞不定式作狀語(yǔ)時(shí),除了表示目的以外,還表示結(jié)果或原因。Readingattentively,heforgotthetimeforlunch.由于在專(zhuān)心讀書(shū),他忘了吃午飯的時(shí)間。(原因)Readingcarefully,hefoundsomethinghehadnotknownbefore.他仔細(xì)讀書(shū)時(shí),發(fā)現(xiàn)了一些從前不知道的東西。(時(shí)間)Readingcarefully,you'lllearnsomethingnew.只要你仔細(xì)閱讀,你會(huì)學(xué)到一些新的東西。(條件)Hisfamilywastoopoortosupporthim.他的家庭太窮,不能維持他的生活。(結(jié)果)Theboyisnottallenoughtoreachthebookshelf.這男孩個(gè)子不夠高,手伸不到書(shū)架。(結(jié)果)Wearegladtohearthenews.我們很高興聽(tīng)到這消息。(原因)(3)下面一些句型是不定式做狀語(yǔ)時(shí)候應(yīng)該注意的:a:not/nevertoo...to,too...notto,but/onlytoo...to,tooready/eager/apt/inclinedto表示肯定意義b:做結(jié)果狀語(yǔ)的不定式只能出現(xiàn)在句子的末尾,常見(jiàn)的不定式動(dòng)詞有:find,hear,see,betold,form,give,make,produce等。c:不定式做狀語(yǔ)時(shí),其邏輯主語(yǔ)一般為句子的主語(yǔ),否則用for引導(dǎo)主語(yǔ)。.非謂語(yǔ)動(dòng)詞??嫉钠渌Y(jié)構(gòu)(1)疑問(wèn)詞+不定式結(jié)構(gòu)疑問(wèn)詞who,what,which,when,where和how后加不定式可構(gòu)成一種特殊的不定式短語(yǔ)。它在句中可以用作主語(yǔ)、的賓語(yǔ)、的表語(yǔ)和雙重賓語(yǔ)。如:Whentostarthasnotbeendecided.何時(shí)動(dòng)身尚未決定。(主語(yǔ))Idon,tknowwhattodo.我不知道該怎么辦。(賓語(yǔ))Thedifficultywashowtocrosstheriver.困難在于如何過(guò)河。(表語(yǔ))Icantellyouwheretogetthisbook.我可以告訴你哪里可以買(mǎi)到此書(shū)。(雙重賓語(yǔ))(注)A.有時(shí)疑問(wèn)詞前可用介詞,如:Ihavenoideaofhowtodoit.我不知道如何做此事。B.動(dòng)詞know后面不能直接跟不定式作賓語(yǔ),只能跟疑問(wèn)詞(如:how,what)+不定式:Whilestillayoungboy,Tomknew

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