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2017年高考三轮复习 [冠词] 当代语法把冠词分为定冠词、不定冠词和零冠词(即不用冠词)三种。冠词是一种虚词，起限定作用，是最主要最典型的限定词，放在名词(或名词化的形容词分词)前面，说明其所指的人或物。 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 Smiths. 10．用于乐器、发明物、年代名词前。如：play the piano; play the violin. The compass was invented in China. He lived in the countryside in the 1970s. 11．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 | 
