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1、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。I have a mouth,a nose and two eyes.2）第一次提到某人或某物，起介绍作用。Yesterday I saw an old man.Hes Toms father.,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。A boy was waiting for you.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.Green goes to the cinema once a week,5）在月份、
2、星期及evening,morning,night,afternoon等前有修饰语时，一律用a。a sunny Friday,a rainy morning 6）用在“such a”或“so+形容词+a+可数名词单数”的结构中。He is such a clever boy.,1.用于某些物质名词或抽象名词前，表示“一份”、“一场”。a heavy rain a great help/pleasure have a try have a drink,注意：,2.既可用也可不用不定冠词的词组。A large number of=large numbers of A lot of=lots of M
3、ake a face=make faces 做鬼脸,3.某些习惯用语中必须用不定冠词 a few；a little；a bit；in a hurry；in a word；,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 an There is an“f”in the word“five”.几个需要注意的单词：_ umbrella _ useful book _ hour _ unusual story _ usual day _ university _ European country _ honest boy _ one-
4、yuan coin,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。Where are the new books，Jim？2）指上文提到过的人或物。There is an old woman standing there.The old woman looked worried.,定冠词 the 用法,3）用在世上独一无二的事物名词前。the sun,the sky,the earth,the
5、world,the White House,the Great Wall the United States,4）用在山脉、江河、海洋、岛等名词前。the Himalaya Mountains,the Yellow River,the Taiwan Island,etc.,5）用在乐器名词前。play the piano,the violin,etc.6）用在only,same,序数词和形容词最高级前。The third one is carrying the fewest of all.She is the only girl who passed the test.7）the+形容词 表示
6、一类人或事物。the old,the poor,the blind,etc.,8）用在表示方向位置的名词前。in the east,on the right,in the centre,etc.9）用在姓氏复数形式之前,表示“某某一家”或“某某夫妇”。the Greens,the Blacks,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,at the same timethe day before yesterdayat the beginning oftell the truthjoin the armyin the darknessby the
7、 wayon the way to,1)复数名词表示泛指,前面不用冠词。They are workers2)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。The letter is in her bag.I have some questions.,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。Music can bring people pleasure.,4)球类活动、学科名词、一日三餐前。We have English and math every day He can play chess well.,5)节日、星期、月份、季节名称前。June 1 is
8、 Childrens Day6)表示颜色、语言、称呼语和官职、头衔的名词前。Headmaster Li came to Class One just now.7)某些固定词组或习惯用语中。如：at night,go to school,by bus,etc.,注意,单数名词相对应使用时，不用冠词。hand in hand step by stepface to face heart and soulone by one side by side,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)at table at the table2)In class in t
9、he class3)go to school go to the school4)go to bed go to the bed 5)take place take the place of6)a number of the number of,冠词的位置,1.用于名词前 a European country2.so/as+adj.+a/an+n.Jenny is not so smart a girl as I thought.,3.such+a/an+adj.+n.He has never written such an interesting book as that.4.用于感叹句 W
10、hat a special day it is!,上海市历年真题,1.My father usually reads morning papers before going to _ work.-2007the B.a C.an D./2.Linda always takes _ active part in sports after school.-2008A./B.a C.an D.the,C,D,3.Can I have _ look at the photo of your pen friend?-2009A.the B.a C.an D./4.This novel can make you laugh and cry at _ same time.-2011A./B.a C.an D.the,D,B,
