冠词a an the.doc

冠词a an the冠词分为不定冠词（a, an）定冠词(the)和零冠词。一 不定冠词的用法；1. 指一类人或者一类事物，相当于a kind of.A plane is a kind of machine that can fly. 2. 第一次提及某人或者某事，非特指。A boy is waiting for you.3. 表示每一，相当于every one.we study eight hours a day.4. 表示同样，相当于the same.we are nearly of an age.5. 用于人名前，彼此不认识此人，或与某人名有类似性质的人或者事。A Mrs,smith came to visit you when you were out.That boy is rather a leifeng.6. 用于固定词组中。In a hurry7. 用于quite, rather, many, half, what, such,之后。She ate only half an apple all day.8. 用于so, as, too, how,+形容词之后。She is so clever a girl as you can wish to meet.二 定冠词的用法；1. 表示某一类人或者事。The horse is a useful animal.2.用于世界上独一无二的事物之前。The sun. the universe.3.表示说话双方都了解的或者上文提及过得人或者事。Would you mind opening the door?4.用于乐器之前。Play the guitar5.用于形容词前面，表示一类人。The poor, the living6.用于形式的复数名词之前，表示一家人或者夫妇。The Greens7.用于序数词和形容词比较级之前，最高级之前。He is the taller of the two boys.8.用于某些有普通名词构成的国家名称，机关团体等转悠名词。The peoples republic of china中华人民共和国9.用于表示发明物的单数名词之前。The compass was invented in china.10.用于逢十的数词之前，指某个世纪的某个年代。In the 1990s11.用于表示量度单位的名词前。12.用于方位名词，身体部位名词及表示时间的词组前。三 零冠词的用法；1. 专有名词，物质名词，抽象名词，人或者地名等名词前。Beijing university2. 名词前有this, my, his, her, your, our, their, whose, some, no, each, every等限制。Whose book is this?3. 季节，月份，星期，节假日。Today is October.4. 一日三餐前。We have lunch at home on Saturday.5. 表示只有一人担任的职务，头衔的名词前。Lincon was made president of Amercian.6. 球类，棋类名词之前。Play chess.7. 与BY连用表示交通工具。By bus8. 以an