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1、大学英语四级考试语法难点总评周雪2004.11.25一．虚拟语气 1.时态意义条件从句主句与现在事实相反动词一般过去式didShould(would,could,might)+do与过去事实相反过去完成时haddoneShould(would)+have+done与将来事实相反1．Were+不定式（were+todo）2．Should+动词原形Should/would+do2.固定的动词要求要求要求要求askrequiredemandinsistdesiremaintainproposesugg
2、esturgeadviserecommendmovecommandorderdemandarrangedecide例如：Ithasbeendecidedthatthegeneralmeetingbepostponedtillnextweek.3.在形式主语的结构中1)在有特殊形容词的句套里Itisnecessarythat…Itisimperativethat…Itisessentialthat…Itisimportantthat…Itisstrangethat…Itisnaturalthat…
3、Itisdesirablethat…Itisincrediblethat…Itisadvisablethat…2）在有特殊名词的句套里Itisapitythat…Itisashamethat…Itisnowonderthat…4．在特殊名词的同位语从句中suggestion,proposal,order,request,plan,idea,recommendation,motion5.expect,believe,think,suspect动词在否定或疑问形式重。例如：Ineverthought
4、thatsheshouldbesuchaworldlygirl.6.Ifonly,would(that),’drather(wouldrather,hadrather)asif例如：IfonlyIhadnotcheatedattheexam.Would(that)Iwereyoungagain.7.Itistime从句Itishightime…Itisabouttimeyougotup.二．主谓语一致halfofthetherestoftheenoughofthe单数名词单数动词复数名词复数动词
5、lotsofheapsofloadsof不可数名词单数动词复数可数名词复数动词aportionofaseriesofagroupof复数可数名词单数动词(a)partof单数名词单数动词复数名词复数动词akind(sort)of单数名词单数动词分数、百分数+of单数名词单数动词复数名词复数动词Oneofthe+复数名词+who(that/which)+复数动词例如：1.Halfofthelaboratorywasdamagedintheexplosion.2.Halfofthebuildings
6、intheneighborhoodweredestroyedintheearthquake.3.Loadsofmilkwasgiventothemfree.4.AseriesofdebatesbetweenthemajorcandidateswasscheduledfortheLaborDayweekend.5.Apartofthelandisdevotedtoagriculture.6.Three-fourthsoftheearthssurfaceissea.7.Over40percentof
7、theteachersareagainsttheplan.8.Sheisoneofthefewgirlswhoareacquaintedwiththeoldpoet.2.the+形容词（分词形容词）+复数动词Thesickhavebeencuredandthelosthavebeenfound.3.并列主语在意义上指同一事物、人等1）Thesecretaryandaccountofthecompanywasabsentatthemeeting.2）Whiskyandsodaisalwaysmyf
8、avoritedrink.3）Thereisaknifeandforkonthetable.4.every…and…every…andeveryeach..and…each..andeach…后都跟单数名词Everyflowerandtreeistobecutdownintheland.5.the+形容词andthe+形容词+单数名词===复数名词Theredandthewhiterosearewitheringinthecold.6.or,either…or,neither…nor,noton
