冠词用法讲解冠词作为一种虚词，在英语中只能和名词一起使用。
英语中的冠词分为不定冠词和定冠词。
1.不定冠词的用法不定冠词有两个，a 和 an。
a用在辅音开头的单词前面；an用于以元音开头的单词前。
如：a book, an apple。
1）不定冠词用在单数可数名词前表示“某一个”。
如：There is a policeman at the door.门口有个警察。
2) 不定冠词用在单数可数名词之前，表示“任何，每个”。
如：A car must be insured.汽车一定要上保险。
3) 不定冠词用于头一次出现的单数名词之前。
如：There is a box in the room. The box is heavy.房间里有个箱子。
这个箱子很重。
4) 不定冠词和名词连用作表语或同位语，主要说明某个人或东西所属类别。
如：She is a teacher. 她是个老师。
5）定冠词用在价格、速度、比率等短语中。
如：six kilometers an hour 每小时60公里3 times a day 每天三次6) 不定冠词用在专有名词前。
如：He wants to buy a Kodak.他想买架柯达相机。
7）不定冠词用于某些固定短语中。
如：have a try试一下 take a break 休息一下 have a good time 玩得痛快make a living 谋生 as a matter of fact 事实上 in a word 总而言之2. 定冠词（the）的用法1）定冠词和名词连用，表示某个或某些特定的人或东西。
如：Mother carved the meat into slices妈妈把肉切成了片。
2）定冠词用于可数名词前，表示一类人或东西。
如：The horse is a useful animal. 马是一种有用的动物。
3）定冠词用于第二次出现的名词之前。
如：I got a letter yesterday. The letter was sent by e-mail.我昨天接到了一封信。
那信是电子邮件。
4）定冠词用于有词组或者定语从句修饰的名词前。
如：He is investigating the cause of the fire.他正在调查这场大火的原因。
5）定冠词用于某些名词或者形容词前，表示一类人，一个民族，阶级或阶层。
如：the chinese 中国人 the rich 富人the dead 死者 the deaf 聋人6）定冠词用于指说话双方都知道的人或事。
如：Please close the door.请把门关上。
7）定冠词用于世界上独一无二的事物前。
如：the sun 太阳 the earth 地球 the world世界8）定冠词用于序数词前表示顺序。
如： the third group 第三组9）定冠词用于形容词和副词的最高级前面。
如：This is the most intersting book I have ever read. 这是我所读过的书中最有趣的一本。
10）定冠词在play后和乐器连用如： play the piano弹钢琴 play the flute 吹长笛11）定冠词与姓氏的复数形式连用，表示一家人。
如：The Blacks came to China in 1994. 布莱克一家是1994年来中国的。
12）定冠词的其他用法the Changjiang River长江 the Red Sea 红海（用于表示江河海洋的名词前）the Taiwan Straits台湾海峡 the Gulf of Mexico墨西哥湾（用于表示海峡海湾的名词前）the Alps阿尔卑斯山 the Sahara Desert撒哈拉沙漠（用于山脉沙漠的名词前）the People’s Republic of China 中华人民共和国（用于国家名称）the National Gallery国家美术馆 the Military Museum 军事博物馆(用于公共建筑名前)the State Council国务院 the Senate参议院 the House of Representatives 众议院（用于机关、团体名词前）the Geneva Agreement日内瓦协议 the Washington Post 华盛顿邮报 (用于报刊、条约之前)3.不用冠词的情况1）表示独一无二的职务、身份前一般不用冠词。
如：Elizabeth II, Queen of England 英国女王伊丽莎白二世He was elected chairmen of the committee.他当选为协会主席。
2）表示球类、棋类的运动项目不加冠词。
如: play football 踢足球 play chess下象棋3）在一日三餐名词前不用冠词。
如： have breakfast/lunch/supper 吃早饭/午饭/晚饭4）交通工具名词前不用冠词如：by car坐汽车 by ship 坐船by plane坐飞机on foot 步行5）在一些地点的名词，如：bed, church, school, hospital,home, work等。
当人们去这些地方做在这些地方应该做的事时，不加冠词。
go home回家 go to school去上学 go to church去教堂祈祷in hospital住院 go to work上班注：如果在上述词组前面加上定冠词the,可以表示去这些场所做其他的事情。
如：He came to the school to speak to the headmaster.他来学校和校长谈话。
He went to the church to see the carvings.他去教堂看雕刻。
His mother is in hospital and he has been in the hospital to take care of her.他妈妈生病住院了，他就一直在医院里面照顾她。
4.泛指概念的四种表达方式1）不带the 的不可数名词可以表示泛指I like music.我喜欢音乐。
2）不带the 的复数可数名词表示泛指。
Bananas are yellow.香蕉是黄色的。
3）“the+单数可数名词”可以表示泛指The elephant is the largest land mammal.大象是陆地上最大的哺乳动物。
4）“不定冠词a/an+单数可数名词”可以表示泛指。
A dog makes good pet.狗是很好的宠物。
冠词练习题：1. Tomorrow is ______ Teachers' Day and we'll make ______ card for our English teacher.2. The bus is running about seventy miles_____ hour.3. Mary is interested in ______ science.4. Some people don't like to talk at ______ table.5. Last night I went to______ bed very late.6. Don't worry. We still have ______ little time left.7. What ______ beautiful day! And what ______ fine weather!8. In ______ winter it is cold in ______ Beijing and warm in ________Shanghai.9. John is______ cleverest boy in his class.10. We can't live without ______ water or ______ air.11. Tomorrow Mr. Smith will leave Paris, ______capital of______ France, for Washington by______ air.12. We were having______ lunch when they came in.13. This is ______ book you gave me last week.14. What did you do ______ last Saturday15. March 8 is ______ Women's Day.16. If ______ weather is fine tomorrow, we will go to the park.17. I prefer playing ______ piano to playing ______ basketball.18. At ______ age of five, he read a lot of books.19. Tom and Lucy are of ______ same age.20. ______ harder we study, ______ more we learn.冠词答案：1. ×; a 3. × 4. × 5. × 6. a ; × 8. ×; ×; × 10.×; × 11. the; ×; × 12. × 14.× 15. × ; × 20. The; the1． When Linda was a child， her mother always let her have ______ bed．A． the breakfast in B． the breakfast in the C． breakfast inD． breakfast in the2． Beyond ______ stars the astronaut saw nothing but ______ space．A． the，不填 B．不填，the C．不填，不填 D． the， the3． Alexander Graham Bell invented ________ telephone in 1876．A．不填 B． a C． the D． one4． After watching ____ TV， she played _____ violin for an hour．A．不填，不填B． the， the C． the，不填D．不填，the5． Many people are still in ____ habit of writing silly things in ____ public places．A． the， the B．不填，不填C． the，不填 D．不填，the6． Paper money was in ____ use in China when Marco Polo visited the country in ____ thirteenth century．A． the，不填B． the， the C．不填，the D．不填，不填7． Have you seen ______ pen I left it here this morning．Is it ____ black one I think I saw it somewhere．A． a， the B． the， the C． the， a D． a， a8． She is _____ newcomer to ____ chemistry but she has already made some important discoveries．A． the， the B． the，不填 C． a，不填 D． a， the9． Many people agree that ___ knowledge of English is a must in ____ international trade today．A． a，不填B． the， an C． the， the D．不填，the10． ______ usually go to church every Sunday．A． The Brown B． A Brown C． Browns D． The Browns11． The train is running fifty miles ______．A． an hour B． one hour C． the hour D． a hour12． ___ earth we live on is bigger than___ moon．A． The， a B． The， the C． An， a D． An， the13．— What’s the matter with you—I caught ___ bad cold and had to stay in ___bed．A． a， / B． a， the C． a， a D． the， the14．—Do you know ___ lady in blue—Yes． She is a teacher of a university．A． the B． a C． an D． /15．—Where’s ___ nearest supermarket—It’s over there， just around the corner．A． a B． an C． the D． /16． The young man will work in ___ school as a maths teacher．A． the B． a C． an D． /17． Most of the representatives think that ______ the meeting was very successful．A． on whole of B． on a whole C． on the whole D． on the whole that18． The investigators found that more should be done for ______ in India．A． those poor B． a poor C． poor D． the poor19． He grabbed me ______ and pulled me onto the bus．A． a arm B． an arm C． the arm D． by the arm20．“How did you pay the workers”“As a rule， they are paid ______．”A． by an your B． by the hour C． by a hour D． by hours21． What _____ exciting football match！ Our team beat Tom’s team at last．A． a B． an C． the D． /22． In the United States， Father’s Day falls on _____ third Sunday in _____ June．A． the，不填 B． the， a C．不填， the D． a，不填23． I have two dogs． ______ black one is two years old and ______ yellow one is three years old．A． A， a B． The， a C． The， the D． A． the24． ______ new bridge has been built over ______ Huangpu River．A． The， a B． A， / C． A， the D． An， an25．－What colour is ______ orange－It’s _____ orange．A． an， an B． an， the C． an， / D． /， an答案与解析（部分）1． C 2． A。