定冠词与不定冠词的用法,冠词,知识要点： 冠词是一种虚词，放在名词的前面，帮助说明名词的含义。冠词分不定冠词（The Indefinite Article）和定冠词（The definite Article）两种。a (an) 是不定冠词，a用在辅音之前：如a book, a man; an用在元音之前，如：an old man, an hour, an interesting book等。the是定冠词。,一、不定冠词的用法 1、指人或事物的某一种类（泛指）。这是不定冠词a (an)的基本用法。如： She is a girl. I am a teacher. Please pass me an apple.,2、指某人或某物，但不具体说明何人或何物。如： He borrowed a story-book from the library. A Wang is looking for you. 一位姓王的同志正在找你。,3、表示数量，有“一”的意思，但数的概念没有one强烈。如： I have a mouth, a nose and two eyes.,4、用在世界上独一无二的事物前。如： the earth, the moon, the sun.,5、用在序数词和形容词最高级前。（副词最高级前的定冠词可省略）如： He is always the first to come to school. Bob is the tallest in his class.,6、用在某些专有名词前（由普通名词构成的专用名词）。如： the Great Wall, the Summer Palace, the Science Museum, the Childrens Palace, the Party,7、用在一些习惯用语中。如： on the day, in the morning (afternoon, evening), the day after tomorrow, the day before yesterday, the next year, by the way,8、用在江河湖海、山脉前。如： the Yellow River, the Pacific Ocean, the Alps, the Himalayas,9、用在报刊、杂志前。如： the Peoples Daily, the Evening Paper, the Times 泰晤士报,10、表示某一家人要加定冠词。如： The Browns are at home to receive visitors today. 布朗一家今天要接待客人。,11、用在形容词前，表某一类人。如： the poor, the wounded, the living, the dead, the rich, the sick,12、定冠词可以表示一事物内部的某处。如： The driver always sits in the front of the bus(car).,三、零冠词（即不用冠词）： 1、专用名词和不可数名词前。如： China, America, Grade One, Class Two, milk, oil, water, paper, science等。,2、名词前已有作定语用的this, that, my, your, some, any等代词。如： Go down this street.,3、复数名词表示一类人或事物时。如： We are students. I like reading stories.,4、节日、日期、月份、季节前。如：Teachers Day, Childrens Day, National Day, in summer, in July等。 Today is New Years Day. It is Sunday. March 8 is Womens Day.,5、在称呼语或表示头衔的名词前，尤其作表语、宾补时。如： Whats the matter, Granny? We elected him monitor.,6、在某些习惯用语中的名词前。如： at noon, at night, at first, at last, at most, at least, by bus(train, air, sea), in bed, in time, in front of, go to school, go to bed, go to college, on foot, at table, in ink, in pencil等。,7、在三餐饭和球类运动前。如： She goes to school after breakfast every morning. We are going to play football. We usually have lunch at school.,8、科目前不加。如： We learn Chinese, maths, English and some other subjects.,总结,1.Thereisarabbitunderthetree. Therabbitiseatingacarrot. 第一次提到某物，用不定冠词，再次提到相同的事物，用定冠词,2.Whoisyourbestfriendinthecompany? 虽然第一次提到，但是说话双方都知道的那个company.,3.BillGatesistherichestmanintheworld. 形容词或副词最高级前一定要用the。 如果a,an和最高级连用，意思就变了：BillGatesisarichestmanintheworld.比尔盖茨是世界上最有钱的人之一。,4.表示某一类事物时，可以用定冠词，不定冠词和复数三种形式表达比如：Theelephantisafriendlyanimal. Anelephantisafriendlyanimal. Elephantsareafriendlyanimal. 注意：单数可数名词前一定要用冠词，无论名词前有多少修饰语比如： Mymotherisakind,generous,optimistic,open-minded,andhonestperson,练习,1、 We cant live without_air. Aan B CtheDsome 答： B air是不可数名词。 2、Have you seen_pen? I left it here this morning. Is it _black one? I think I saw it somewhere. Aa; theBthe; theCthe; aDa; a 答：D 根据句意，第一空是泛指，第一次出现；第二空仍是泛指，且表数量“”。 3、Ive been waiting for him for_hour and_half. A; Bthe; aCa; theDan; a 答：D 元音前用an。 4、What_fine weather we have today! AaBCsomeDan 答：B weather是不可数名词。 5、Have you ever seen_as tall as this one? Aa tree Bsuch treeCan tree Dtree 答：A 泛指,6、Children usually go to_school at_age of six. A; the Ba; an Cthe; Dthe; the 答：A go to school是固定短语。 7、_Himalayas is_highest mountain in_world. A; the; BThe; the; theCA; a; aD; 答:B 山脉、形容词最高级及世界上的唯一的名词前加定冠词。 8、They each have_book. Li Huas is about_writer. Wang Lins is on _science. Aa; a; Bthe; ; theC; the; Da; the; a 答：A 第一、二空泛指，第三空，science是不可数名词。 9、_Physics is_science of matter and energy. AThe; B; C; the DA; a 答：C 第一空，科目前不加冠词；第二空特指，有定语。 10、_sun rises in_east and sets in_west. AA; an; a BThe;CThe; the; theDA; the; a 答：C,11、Many people agree that_knowledge of English is a must in_international trade today. Aa;Bthe; an Cthe; theD; the 答：A 第一空，a + 不可数名词表具体的介绍；第二空，trade不可数。 12、_Mr Jones called while you were out (neither of us knows this man). He was in _bad temper.A;aBA;CThe; theDA; a 答：D 第一空是指有一位琼斯先生在您不在的时候来访。（括号里说明，我们俩都不认识这个人，因此不是特指。）第二空是固定短语，情绪不好。 13、They were at_dinner then. It was_delicous one. Aa; theB;C;aDa; a 答：C 第一空at dinner正在吃饭，固定短语。 14、what kind of _car do you want to buy? ABtheCaDan 答：A 泛指 15、Alice is fond of playing_piano while Henry is interested in listening to_music. A; the B; Cthe; Dthe; the 答：C ：乐器前加定冠词；music是不可数名词。,16、Beyond_stars, the astronaut saw nothing but_space. Athe; B; theC;Dthe; the 答：A stars前应加定冠词；space不可数。 17、Alexander Graham Bell invented_telephone in 1876. ABaCtheDone 答：C 发明应是特指。 18、Wheres Jack? I think hes still in_bed, but he might just be in_bathroom. A;Bthe; theCthe; D; the 答：D in bed是固定短语，不加冠词。 19、Many people are still inhabit of writing silly things in_public places. Athe; theB;Cthe; D; the 答：C 第一空后有定语，固是特指。第二空， public places,公共场所，泛指。 20、Id like_information about the management of your hotel, please Well, you could have_word with the manager. He might be helpful. Asome; a Ban; some