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不定冠词”a”an”定冠词”the”在有的名词前不需用冠词，这种用法称为零冠词。,1）表示数量有“一”的意思。Ihaveamouth,anoseandtwoeyes.2）第一次提到某人或某物，起介绍作用。YesterdayIsawanoldman.HesTomsfather.,不定冠词：A和An用法,3）泛指某人或事物，但不具体说明何人或何物。Aboywaswaitingforyou.4）用于时间、速度、价格等意义的名词前，表示“每一”的意思，相当于every。Mr.Greengoestothecinemaonceaweek,5）在月份、星期及evening,morning,night,afternoon等前有修饰语时，一律用a。asunnyFriday,arainymorning6）用在“sucha”或“so+形容词+a+可数名词单数”的结构中。Heissuchacleverboy.,1.用于某些物质名词或抽象名词前，表示“一份”、“一场”。aheavyrainagreathelp/pleasurehaveatryhaveadrink,注意：,2.既可用也可不用不定冠词的词组。Alargenumberof=largenumbersofAlotof=lotsofMakeaface=makefaces做鬼脸,3.某些习惯用语中必须用不定冠词afew；alittle；abit；inahurry；inaword；,4.原音发音的字母、单词前用an,辅音发音的字母、单词前用a。a,e,f,h,i,l,m,n,o,r,s,x前用anThereisan“f”intheword“five”.几个需要注意的单词：_umbrella_usefulbook_hour_unusualstory_usualday_university_Europeancountry_honestboy_one-yuancoin,an,a,an,an,a,a,a,an,a,定冠词只有一个，the，一般用在有特定含义和专门规定的名词之前，表示特指。不论单数名词，还是复数名词，不论可数名词，还是不可数名词，前面都可以用“the”。,定冠词the,l）特指双方都知道的人或事物。Wherearethenewbooks，Jim？2）指上文提到过的人或物。Thereisanoldwomanstandingthere.Theoldwomanlookedworried.,定冠词the用法,3）用在世上独一无二的事物名词前。thesun,thesky,theearth,theworld,theWhiteHouse,theGreatWalltheUnitedStates,4）用在山脉、江河、海洋、岛等名词前。theHimalayaMountains,theYellowRiver,theTaiwanIsland,etc.,5）用在乐器名词前。playthepiano,theviolin,etc.6）用在only,same,序数词和形容词最高级前。Thethirdoneiscarryingthefewestofall.Sheistheonlygirlwhopassedthetest.7）the+形容词表示一类人或事物。theold,thepoor,theblind,etc.,8）用在表示方向位置的名词前。intheeast,ontheright,inthecentre,etc.9）用在姓氏复数形式之前,表示“某某一家”或“某某夫妇”。theGreens,theBlacks,etc.10）用在某些习惯用语中。,同时前天在开始说实话参军在黑暗中顺便问一下在去的路上,atthesametimethedaybeforeyesterdayatthebeginningoftellthetruthjointhearmyinthedarknessbythewayonthewayto,1)复数名词表示泛指,前面不用冠词。Theyareworkers2)名词前已有作定语的指示代词、物主代词或不定代词等限定词。Theletterisinherbag.Ihavesomequestions.,零冠词（不用冠词）,3)专有名词、物质名词和抽象名词等不可数名词前。Musiccanbringpeoplepleasure.,4)球类活动、学科名词、一日三餐前。WehaveEnglishandmatheverydayHecanplaychesswell.,5)节日、星期、月份、季节名称前。June1isChildrensDay6)表示颜色、语言、称呼语和官职、头衔的名词前。HeadmasterLicametoClassOnejustnow.7)某些固定词组或习惯用语中。如：atnight,gotoschool,bybus,etc.,注意,单数名词相对应使用时，不用冠词。handinhandstepbystepfacetofaceheartandsoulonebyonesidebyside,2.定冠不定冠意思差千万有些名词前用冠词或不用冠词，其意义有所不同。如：1)attableatthetable2)Inclassintheclass3)gotoschoolgototheschool4)gotobedgotothebed5)takeplacetaketheplaceof6)anumberofthenumberof,冠词的位置,1.用于名词前aEuropeancountry2.so/as+adj.+a/an+n.JennyisnotsosmartagirlasIthought.,3.such+a/an+adj.+n.Hehasneverwrittensuchaninterestingbookasthat.4.用于感叹句Whataspecialdayitis!,上海市历年真题,1.Myfatherusuallyreadsmorningpapersbeforegoingto_work.-2007theB.aC.anD./2.Lindaalwaystakes_activepartinsportsafterschool.-2008A./B.aC.anD.the,C,D,3.CanIhave_lookatthephotoofyourpenfriend?-2009A.theB.aC.anD./4.Thisnovelcanmakeyoulaughandcryat_sametime.-2011A./B.aC.anD.the,D,B,
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