完整版专四英语语法考点

1语法考点之一：虚拟语气考点1.If从句中的虚拟语气1、与过去事实相反：从句sbhaddone，主句sbwould(should,could,might)+havedone；1.I___thepartymuchmoreiftherehadn’tbeenquitesuchacrowdofpeoplethere.1996A.wouldenjoyB.willhaveenjoyedC.wouldhaveenjoyedD.willbeenjoying2.Allofuswouldhaveenjoyedthepartymuchmoreifthere___quitesuchacrowdofpeoplethere.2000A.weren’tB.hasn’tbeenC.hadn’tbeenD.wouldn’t省略if，从句的语序用到装，即将were,had或should移至主语的前面，但否定词not不前移。3.HadJudybeenmorecarefulonthemathsexam,she____muchbetterresultsnow.2008A.wouldbegettingB.couldhavegotC.mustgetD.wouldget4.______youwerebusy,Iwouldn’thavebotheredyouwithmyquestions.1994A.IfIrealizedB.HadIrealizedC.IrealizedthatD.AsIrealized5.___,hewouldnothaverecoveredsoquickly.1995A.Hadn'thebeentakengoodcareofB.HadhenotbeentakengoodcareofC.HadnothebeentakengoodcareofD.Hadhebeennottakengoodcareof6.___forthefactthatshebrokeherleg,shemighthavepassedtheexam.2002A.HaditnotbeenB.Hadn’titbeenC.WasitnotD.Wereitnot2、与现在事实相反：从句sbdid(were)，主句sbwould(should,could,might)+do；1.Iftherewerenosubjunctivemood,English_____mucheasiertolearn.2009A.couldhavebeenB.wouldbeC.willbeD.wouldhavebeen2.Ifyouexplainedthesituationtoyoursolicitor,he________abletoadviseyoumuchbetterthanIcan.2005A.wouldbeB.willhavebeenC.wasD.Were3、与将来事实相反：从句sbdid(should+do或were+todo)，主句sbwould(should,could,might)+do。1._____you_____furtherproblemswithyourprinter,contactyourdealerforadvice.2005A.If,hadB.Have,hadC.Should,haveD.Incase,had4、错综条件句：主句与从句的动作发生在不同的时间段。2比如：从句对过去虚拟，而主句对现在虚拟，即从句sbhaddone，主句sbwould(should,could,might)+do；1.Ifonlythepatient______adifferenttreatmentinsteadofusingtheantibiotics,hemightstillbealivenow.2007A.hadreceivedB.receivedC.shouldreceiveD.werereceiving考点2：表示建议、要求、命令等动词如insist,order,command,suggest,advise,propose,ask,require,request,demand引导的从句及it引导的相应的分词、名词和形容词从句，谓语用（should)+动词原形。1.Heleftordersthatnothing______toucheduntilthepolicearrivedhere.1997A.shouldbeB.oughttobeC.mustbeD.wouldbe2.Sheaskedthatshe______allowedtoseehersoninpolicecustody.1993A.wouldbeB.couldbeC.beD.was考点3：Itis+advisable,essential,important,imperative,incredible等从句，谓语用（should）+动词原形。1.Itisnecessarythathe____theassignmentwithoutdelay.2010A.handinB.handsinC.musthandinD.hastohandin2.ItisabsolutelyessentialthatWilliam____hisstudyinspiteofsomelearningdifficulties.2007A.willcontinueB.continuedC.continueD.continues3.Itisimperativethatthegovernment__moreinvestmentintotheshipbuildingindustry.2006A.attractsB.shallattractC.attractD.hastoA.handin考点4：itis(high/about)timethat的结构中，从句使用一般过去式。例如:1.It’shightimewe__cuttingdowntherainforests.2006AstoppedBhadtostopCshallstopDstop考点5：muchas尽管，虽然引导让步状语从句，从句中用wouldhavedone表示假设。1.Muchas____,Icouldn’tlendhimthemoneybecauseIsimplydidn’thavethatmuchsparecash.1999A.IwouldhavelikedtoB.IwouldliketohaveC.IshouldhavetolikeD.Ishouldhavelikedto考点6：ifonly,wish,asif/asthough引导从句，与过去事实相反：had+done；与现在事实相反：动词过去式；与将来事实相反：could/would+do。1.IfonlyI__playtheguitaraswellasyou!2006AwouldBcouldCshouldDmight2.Hetalksonandonasifhewouldneverend.考点7：wouldrather/sooner从句中使用一般过去式或过去完成式3分别表示对现在或过去的虚拟。1.Themanagerwouldratherhisdaughter____inthesameofficenow.A.hadnotworkedB.nottoworkC.doesnotworkD.didnotwork考点8：Onconditionthat.../lest/forfearthat+(should)+原形动词。1.Heaskedmetolendhimsomemoney,whichIagreedtodo,________thathepaidmebackthefollowingweek.2005A.onoccasionB.onpurposeC.onconditionD.onlyif注：Onconditionthat...是“只有”“条件是”的意思，可以使用虚拟语气，也可以不用。I’llcomeonconditionthatJohnisinvited.Theyagreetolendhimthecaronconditionhe(should)returnitinaweek.2.lest以免e.g.:tiptoedlesttheguardshouldhearher;anxiouslesthebecomeill.考点9：butfor1._____yourtimelyadvice,Iwouldneverhaveknownhowtogoaboutthework.1994A.UnlessB.ButforC.ExceptforD.Notfor考点10：让步状语从句Whetherheberichorpoor,I’llmarryhim.1D.Beherichorpoor2.Whethermybrotherrightorwrong,hewillhavemyunwaveringsupport.2001A.IsB.WereC.BeD.Wouldbe语法考点之二：情态动词*情态动词:will（愿意）,shall（将）,must（必须）,can,may,would,should(应该),might,could,oughtto,usedto（过去常常）,need（需要）,dare（竟敢），haveto（不得不）考试中，情态动词部分重点测试以下内容：（1）情态动词+行为动词完成式（表示推测）（2）某些情态动词的特殊用法考点1.情态动词＋have＋过去分词结构表示推测(1)musthavev-ed表示推测过去某事“一定”发生了。否定形式为：can’t/couldn’thavev-ed,表示过去不可能发生某事。1.Whichofthefollowingsentencesexpressesprobability?2008A.Youmustleaveimmediately.B.Youmustbefeelingrathertired.C.Youmustbeherebyeighto'clock.D.Youmustcompletethereadingassignmentontime.42.He_____the8:20busbecausehedidn’tleavehometill8:25.(1994)A.couldn’thavecaughtB.oughttohavecaughtC.shouldn’thavecaughtD.mustnothavecaught(2)couldhavev-ed表示推测过去某动作“很可能”发生了。(3)may/mighthavev-ed表示推测过去某事“也许”发生了.1.He____unwisely,buthewasatleasttryingtodosomethinghelpful.(1999)A.mayhaveactedB.musthaveactedC.shouldactD.wouldact(4)oughtto/shouldhavev-ed和oughtnotto/shouldn’thavev-ed用于对已发生的情况表示“责备”、“不满”，分别表示“本应该…”和“本不应该…”1.Aren'tyoutired?I____youhaddoneenoughfortoday.2009A.shouldhavethoughtB.musthavethoughtC.mighthavethoughtD.couldhavethought(5)needn’thavev-ed表示过去做了某事，但没有做的必要，意为“本没必要…”。1.You____Jimanythingaboutit.Itwasnoneofhisbusiness.(1998)A.needn’thavetoldB.needn’ttellC.mustn’thavetoldD.mustn’ttell2.Asitturnedouttobeasmallhouseparty,we_____soformally.(1996)A.neednothavedre