这是我为我学生做中考复习时候做的讲义，楼主可以参考下一、定冠词的基本用法： ① 表示上文提到过的人或事物。如：I have bought a book. The book is very useful.② 用于说话人与听话人心中都有数的人或事物。如：Close the window, please.③ 用于表示世界上独一无二的事物前。如：the sun, the moon, the earth, the world等。④ 用于表示方位的名词之前。如：the east, the right.⑤ 用于序数词或形容词的最高级之前。如：the first, the tallest.⑥ 用于形容词之前，使其名词化。如：the sick, the wounded.⑦ 用于由普通名词构成的专有名词之前。如：the United States, the United Nation.⑧ 用于江河、海洋、海峡、山脉、群岛、建筑物等的名词之前。如：the Changjiang River, the East Lake.⑨ 用于复数姓氏之前，表示“夫妇”或“全家”。如：The Smiths⑩ 用于乐器的名词前。如：play the piano; play the violin.⑾ 发明物。如：The compass was invented in China. ⑿ 年代名词前。如：He lived in the countryside in the 1970s.
⒀ 固定词组中。如：in the morning(afternoon, evening), on the other hand , at the same time二、不定冠词的基本用法：① 泛指一个。如：There is a book on the table.② 指人或事物的某一种类。如：His father is a driver. Longjing is a wonderful tea.③ 指某一个人或事物，但不具体说明。如：My sister was saved by a PLA man in the fire.④ 用于某一些表示重量、长度、时间等单位前，表示“每一”。如：We have meals three times a day.⑤ 表示同样的。如：They are of an age. ⑥ 表数量，相当于one,但语意较弱。如：There is a pen and two books on the desk.
⑦ 使抽象名词具体化。如：The little girl is a help to her mother.
⑧ 固定搭配。如：as a matter of fact , in a hurry, in a word 三、不用冠词的情况：① 表示总称的复数名词之前。如：Children love cartoons. ② 不含普通名词的专有名词前。如：We are studying English.③ 名词前有指示代词、物主代词、不定代词或名词所有格修饰时。如：I like this picture; I do not have any money; As time went on, Einstein’s theory proved to be correct.④ 季节、月份、星期等名词前，一般不用冠词。如：She likes spring most.⑤ 呼语前不用冠词。如：What shall I do next, Mother?⑥ 三餐饭前不用冠词。如：What did you have for lunch?⑦ 节假日前不用冠词。如：People give gifts to each other on Christmas Day.⑧ 球类和棋类运动的名称前不用冠词。如：She is fond of playing basketball.⑨ 在一些成对出现的短语中不用冠词。如：arm in arm（手挽手）; hand in hand（手牵手）; side by side（肩对肩）; day and day（日日夜夜）; young and old（老老少少）; from door to door（挨门挨户）; from beginning to end（从头到尾）; from morning till night（从早到晚）等。
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