初中英语语法总结及练习——不定冠词

不定冠词a/an 用于单数可数名词前

a woman 一个女人; an apple 一个苹果;a girl 一个女孩;

a和an的区分

a用于辅音音艾绱书虻素前

a book [bʊk] 一本书

a coat [kəʊt] 一件外套

a useful ['ju:sful] pen一只有用的笔 (虽然useful以元音字母u开头,但发音是以辅音音素/j/开头,所以用a)

a horse [hɔːs] 一匹马

an用于元音音素前

an apple ['æp(ə)l] 一个苹果

an egg [eg] 一只鸡蛋

an hour ['aʊə] 一小时

an AB[eɪ] trust AB信托 (an适用于采用缩略字母的情况)

an 8-day [eɪt] lesson 8天的课程 (an适用于采用数字的情况)

an ugly ['ʌglɪ] doll一个丑陋的娃娃

a和an的用法

表示“一个、一位”等,泛指

I want to buy a Samsung phone. 我想买部三星手机。

An elephant is sleeping in the zoo. 有头大象在动物园睡觉。

A singer showed up last night. 昨晚来了位歌手。

A man is looking at you. 有个男的在看你。

A woman asked for my help when I was walking along the river. 当我沿着河边走的时候,有位女士寻求我的帮助。

An old man shouted at us when we were driving past him. 有个男的在我们开车经过他的时候向我们大喊。

a/an与数词one的比较:a/an虽然表示“一个”,但倾向泛指,不太强调数目;而one则强调数目是“一”,而非其他数目

A singer showed up last night. 昨晚来了位歌手。(泛指,不指明是哪个歌手)

One singer showed up last night. 昨晚来了一位歌手。(强调歌手只来了一位,不是两位或三位等。)

表示某个人或物

可用于提及只知其名不知其人的情况:

A Miss Porter was on the phone looking for you. 有个波特小姐打电话找你。

A Mr. Rogers asked you to meet him in the café downstairs. 有位罗杰斯先生叫你到楼下咖啡厅见他。

Do you know a John Edwards in our school? He was said to be quite a legend. 你认识我们学校的一个叫约翰爱德华兹的人吗?据说,他是个传奇人物。

表示任何一个,概括某类人或物

A girl must know her manners. 女孩子要懂礼貌。(指任何一个女孩子)

A man should be willing to take responsibilities. 男人应当勇于承担责任。(指任何一个男人)

A teacher must be strict with his students. 老师必须严格要求学生。

A singer sings songs. 歌手是唱歌的。

A dog is man’s best friend. 狗是人类最好的朋友。

An egg is oval. 鸡蛋是椭圆形的。

An honest man doesn’t lie. 诚实的人不说谎。

表示同样的

Birds of a (=the same)feather flock together. 物以类聚。

They are of a kind. 他们是同类人。

My cousin and I are of an age. 我的堂姐和我同年。

These pencils are of a length. 这些铅笔同样长。

We must make sure our services are of a high standard. 我们必须保证我们的服务项目都达到同个高标准。

表示每一个 (each, per)

I work five days a week. 我每周工作五天。

We went home twice a year. 我们每年回家两次。

You must take the medicine three times a day. 你必须每天吃三次药。

It flies at 20 kilometers an hour. 它以每小时20公里的速度飞行。

用于专有名词前,可表示“…那样的”

I want to become a Michael Jackson. 我想成为迈克尔杰克逊那样的人。

He has the wisdom of a Confucius. 他有孔子那样的智慧。

Carlos wants to become a Steve Jobs. 卡洛斯想要成为像斯蒂夫乔布斯那样

用于固定搭配中,表示数量或程度

a few people 一些人 a little water 一点水;move a bit closer 靠近点 many a time 许多次