冠词一般用在名词的前面,对名词起限定作用,不能离开名词单独存在。
1、不定冠词a,an用在单数可数名词前面,泛指一类人或物中的任何一个。
①a用于辅音音素开头的名词之前。e.g. a bed,a computer,a “U”
②an用于元音音素开头的名词之前。e.g. an egg,an umbrella,an hour
2、定冠词the用在单数或复数可数名词前,也可用在不可数名词前。
①表示特指的人或物前。
e.g. The man with a flower in his hand is Jack.
②指说话人双方都知道的人或物前。
e.g. Lily, close the door, please.
③在上文提到过,第二次又提到的人或物前。
e.g. There is a man under the tree. The man is called James.
① 表示世界上独一无二的事物前。
e.g. The sun is bigger than the moon.
②用在序数词前面。
e.g. It is the first day of the new term.
③ 用在乐器名称前。
e.g. He often plays the violin at weekends.
④ 用在形容词最高级前。
e.g. Spring is the best season in a year.
⑤用在由普通名词构成的专有名词前。
e.g. I went to the Great Wall last week.
⑨用在国家名称的缩写前。
e.g. He is from the UK.
3、零冠词:名词前不用冠词的情况。
在季节、月份、星期、节假日、三餐、球类或棋类运动前,通常不用冠词。
e.g. have breakfast,play basketball,play chess
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