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1、语法回顾篇:专四语法考点虚拟语气、情态动词、非谓语动词、复合句、倒装、小语法(省略,时态,反义疑问句,代词,强调句,主谓一致,冠词,形容词及副词)、as的特殊用法。专四英语语法考点串讲之一虚拟语气一般说来,有下列几种考点需要考生注意(十考点及两备考点)考点1.与现在事实相反从句谓语动词用did(be用were),主句谓语动词would(should,could,might)+do;考点2.与过去事实相反从句谓语动词用haddone,主句谓语动词用would(should,could,might)+
2、havedone;例如:43.I_________thepartymuchmoreiftherehadn’tbeenquitesuchacrowdof108peoplethere.A.wouldenjoyB.willhaveenjoyedC.wouldhaveenjoyedD.willbeenjoying49.Allofuswouldhaveenjoyedthepartymuchmoreifthere_________quitesuchacrowdofpeoplethere.A.weren’tB.
3、hasn’tbeenC.hadn’tbeenD.wouldn’t考点3.与将来事实相反,从句谓语动词用:did(should+do或were+todo),主句谓语动词用:would(should,could,might)+do。例如:43.Ifyourcar___anyattentionduringthefirst12months,takeittoanauthorizeddealer.(08年)•A.shallneedC.wouldneed•B.shouldneedD.willneed108考点4
4、.时态的交叉现象,也就是主句与从句的动作发生在不同的时间段例如:Ifyouhadgonetoseethedoctor,youwouldbeallrightnow.你要是早去看病,你现在就没事了。考点5.虚拟条件句if可以省略,但从句的语序要用到装,即将were,had或should移至主语的前面形成倒装,但否定词not不前移。例如:65.___,hewouldnothaverecoveredsoquickly.(05年)•A. Hadn'thebeentakengoodcareof•B.
5、 Hadhenotbeentakengoodcareof•C. Hadnothebeentakengoodcareof•D. Hadhebeennottakengoodcareof考点6.insist(一个坚持);order108command(两道命令);suggest,advise,propose(三条建议);ask,require,request,demand(四点要求)及相应的名词的从句,谓语要使用:should+动词原形或动词原形例如:58.Itwasrecommended
6、thatpassengers___smokeduringtheflight.(04年)•A. notB.neednotC.couldnotD.wouldnot考点7.Itis+advisable,essentialimportant,,imperative,incredible,等等相关的从句,谓语要使用:should+动词原形或动词原形例如:46.Itisimperativethatstudents____theirtermpapersontime.(04年)•A.handinB.wou
7、ldhandin108•C.havetohandinD.handedin考点8.itishigh(about)timethat的结构中,从句使用一般过去式例如:54It’shightimewe__cuttingdowntherainforests.(06年)AstoppedBhadtostopCshallstopDstop考点9.muchas尽管,虽然,引导让步状语从句,从句中用wouldhavedone表示假设,可以是说话人的语气变得十分委婉,真诚。例如:52.Muchas____,Icou
8、ldn’tlendhimthemoneybecauseIsimplydidn’thavethatmuchsparecash.(99年)A.IwouldhavelikedtoB.IwouldliketohaveC.IshouldhavetolikeD.Ishouldhavelikedto考点10.ifonly表示要是…108就好了相当与wish,asif/asthough的用法。与现在事实相反:动词过去式与过去事实相反:had+done与将来事实相反:could/would+do例如