1、a用来表示可数名词的单数形式,用于辅音音素前,an用于元音音素前。如:a person, a day, an hour, an old man.定冠词用法:1用于双方都知道的名词前:Please clean the classroom.2用于单数名词前,表示一类人或物:The horse is a useful animal.(马是有用的动物)This is a very hard job for the teacher.(对于老师这是一项很难的工作。)3用于世界上独一无二的东西前:the sun, the spring.4用于方位名词前:People in the west like cof
2、fee very much.5用于乐器名词前:play the violin6用于计量单位前:Gasoline is sold by the gallon.7形容词最高级和序数词前:This is the easiest way to work out the problem.He came to see me for the first time.8用于江河湖海山脉名称前:the Pacific,the Thames,the Rocky Mountains9杂志、报刊名称前:the Times,the Overseas Digest10用于建筑物、和组织前:the White House,
3、theMinistry of Education11用于姓氏复数前,表“某某夫妇,某某一家人:the Smiths,the Greens12用于形容词前,表一类人 / 物:the rich, the blind13用于 English,Chinese,French 等名词前,表“全体国民” :the English,the Chinese以下情况不用冠词:1三餐前 breakfast,lunch,supper, . Have you had lunch?2体育运动项目前 play chess,. I have no interest in tennis.3在由 by引出的交通工具前 by air(乘飞机),by car4在称呼或职位前 He has been elected president of the committee.5习惯用语前 at school,day by day,at table(在吃饭),go to church(做礼拜).