北京新东方酷学酷玩夏令营英语学习：

冠词冠词分为不定冠词（a, an），定冠词（the），和零冠词。

    i. 不定冠词的用法：

   1指一类人或事，相当于a kind ofa plane is a machine that can fly.

   2第一次提及某人某物，非特指a boy is waiting for you.

   3表示“每一”相当于every，onewe study eight hours a day.

   4表示“相同”相当于the samewe are nearly of an age.

   5用于人名前，表示不认识此人或与某名人有类似性质的人或事a mr. smith came to visit you when you were out that boy is rather a lei feng.

    6用于固定词组中a couple of, a bit, once upon a time, in a hurry, have a walk, many a time 7用于quite, rather, many, half, what, such之后this room is rather a big one. 8用于so(as, too, how)+形容词之后she is as clever a girl as you can wish to meet.

     ii. 定冠词的用法：

   1表示某一类人或物the horse is a useful animal.

   2用于世上独一无二的事物名词前the universe, the moon, the pacific ocean

   3表示说话双方都了解的或上文提到过的人或事would you mind opening the door?

   4用于乐器前面play the violin, play the guitar

   5用于形容词和分词前表示一类人the reach, the living, the wounded

    6表示“一家人”或“夫妇”the greens, the wangs

   7用于序数词和形容词副词比较级最高级前he is the taller of the two children.

    8用于国家党派等以及江河湖海，山川群岛的名词前the united states, the communist party of china, the french

   9用于表示发明物的单数名词前the compass was invented in china.

   10在逢十的复数数词之前，指世纪的某个年代in the 1990’s

   11用于表示单位的名词前i hired the car by the hour.

   12用于方位名词，身体部位名词，及表示时间的词组前he patted me on the shoulder.

   iii. 零冠词的用法：

    1专有名词，物质名词，抽象名词，人名地名等名词前beijing university, jack, china, love, air

    2名词前有this, my, whose, some, no, each, every等限制i want this book, not that one. / whose purse is this?

    3季节，月份，星期，节假日，一日三餐前march, sunday, national day, spring

   4表示职位，身份，头衔的名词前lincoln was made president of america.

   5学科，语言，球类，棋类名词前he likes playing football/chess.

   6与by连用表示交通工具的名词前by train, by air, by land

   7以and连接的两个相对的名词并用时husband and wife, knife and fork, day and night

   8 表示泛指的复数名词前horses are useful animals.