【高考一轮牛津必修1】Unit1 School life-冠词2

语法-冠词

冠词是就好像是戴在名词头顶上的一顶帽子,一般不能离开名词单独使用,是帮助说明名词含义的一种虚词,包括不定冠词（a; an）,定冠词(the)和冠词的省略。

不定冠词的用法
1 指一类人或事，相当于a kind of A 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，one We study eight hours a day.
4 表示“相同”相当于the same We 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.

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 用在姓氏复数前表示“一家人”或“夫妇” the Greens, the Wangs
7 用于序数词和形容词副词最高级前 He is the tallest of the three 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 1990s
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.

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，在句子中作同位语，表语，补足语时，其前不用冠词 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.