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GrammarGrammarUsefulstructures所谓主谓一致所谓主谓一致是指主语和谓语动词之间,即主语的人称和单复数形式决定着谓语动词对应的形式。(1)HeandI____bothstudentsofthisschool.•(2)Thesingeranddancer___goingtogiveusaperformance.•(3)Theknifeandfork____onthetable.•and连接两个或两个以上单数名词或者代词作主语的时候,•1.语法一致原则areisis•(3)every...andevery...;each...andeach...;no...andno...在以上短语中and连接的单数名词,整个短语在句中作主语时,谓语动词常使用单数。•Eachmanandeachwoman__askedto•attend.•Everyboyandeverygirlintheclass_diligent.•Nosoundandnovoice_____heard.isisisTheteacher,togetherwithhisstudents,____(be)plantingtreesinthestreet.Mary,likemanygirls,______(love)dancing.Nooneexcept(but)TomandMary_______(know)aboutit.Allthestudents,includingTom,____leaving.lovesknowsareis2.with,alongwith,togetherwith,aswellas,besides,like,without,except,but,including如果句子中有这些连接词和主语连用,谓语动词的数随主语的变化而变化。3.如果主语是不定式,动词ing形式或主语从句的时候,谓语动词用单数。Whatheisdoing_______(seem)veryimportant.Collectingstamps_____(be)hishobby.seemsis4.定语从句的关系代词who,which,that在从句中作主语时，要与先行词的人称和数保持一致。Thosewho________(enjoy)singingmayjoinus.Tom,who___yourfriend,shouldhelpyou.enjoyis就近原则1.NeitheryounorI_____wrong.There____acupofteaandsomeapplesonthetable.Notonlythestudentsbutalsotheteacher________(wish)foraholiday.amiswishes•2.such用作指示代词,应该根据其所指懂得内容来确定单复数.•Such____AlbertEinstein,asimplemanwithawarmheart.•Such_____hiswordsspokenatthemeeting.isare概念一致原则所谓概念一致原则是指谓语动词和主语一致不是取决于主语的语法形式,而是其实际意义。有的主语名词在形式上是单数,但在意义上却是复数；有的主语名词在形式上是复数,但在意义上却是单数。1.不定代词all,more,some,any,none作主语,谓语动词视情况而定。Alloftheapples_____rotten.Alloftheapple______rotten.Noneofthemoney_____left.Noneofthestudents______there.areisiswereAboutthree-fourthsoftheearth’ssurface____coveredwithwater.Three-fifthsoftheworkershere_____women.Lotsofdamage______causedbyfire.isarewasHalfofthestudents_____finishedtheircomposition.Halfoftheapple_____bad.About60percentofthestudentsinourschool______boys.haveisare2.therestof;halfof;partof;majorityof;percentof;onethirdof在句子中加名词作主语的时候,谓语动词与of后面的名词保持一致。3.集合名词作主语,动词可用单数,也可以用复数。主要由句子的意思决定。强调整体谓语动词用单数；指全体人员时,动词则用复数。这一类常见的集合名词有public,family,class,crowd,population,team,group,etc.4.某些名词如people,police,cattle等,形式上是单数,但意义上是复数,谓语动词应用复数。people指“民族”时是例外。Thepolice______searchingforathief.Thecattle___eatinggrassonthehill.areare5.复合不定代词作主语,谓语动词要用单数，如someone,something,anyone,anything,everybody,nobody,noone,nothing。Someoneisaskingforyou.有人找你。Nothingisfoundintheroom.在屋子里什么也没找到。6.某些名词如clothes,trousers,shoes,glasses等,通常只用其复数形式,但当它们被apairof修饰时,谓语动词用单数。如:Thepairofshoes___wornout.Theshoes_____wornout.isare7.某些名词以s结尾如maths,politics,physics,news,plastics等，谓语动词应用单数。Physics____averyinterestingsubject.物理是一门很有趣的学科。is9.以anumberof作主语时,谓语动词用复数;以thenumberof作主语事,谓语动词用单数。Anumberofnewbooks___onthedesk.Thenumberofstudentsinyouclass___50.areis10.有些名词的单数和复数形式一样,作主语的...