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不定冠词知识点总结

作者: admin来源: 网络文章 时间: 2018-09-01

We need an apple and a knife.

我们需要一个苹果和一把刀子。

1.a和an的区别

不定冠词有a[+]和an[+Q]两种形式,a用于辅音(不是辅音字母)开头的词前。an用于元音(不是元音字母)开头的词前。

a boy, a university, a European country

u是元音字母,但发音是[U(],是辅音。

an hour ,an honor ,an island

h是辅音字母,但它不发音,它的音标是是元音。

an elephant, an umbrella, an egg

2(1)不定冠词的用法

①泛指—类人或物。

eg. This is a pencil case.

②指不具体的某个人或物。

eg. I met an old man On my way home.

③用在序数词前,相当于another.

eg. There’s a third boy near the shop.

④表示“每—(个)”,相当于every.

eg. They have music lessons twice a week.

必背!

give a lesson take a bath have a rest

教(一堂)课 洗(个)澡 休息

have a talk have a fever have a good time

听报告 发烧 过得愉快

have(take)a walk have a headache have a nice trip

散步 头疼 旅途愉快

a lot of, a lot, a little, a few, a glass of, such a/an, have a word with, have a look, have a try, have a swim, a quarter, half an hour, three times a day, have a talk, give a talk, ten Yuan a kilo

(2)不定冠词的位置

①不定冠词—般放在所修饰的单数可数名词前。

eg, a bike, an egg

②当名词被such, what, many修饰时,不定冠词放在这些词之后。

eg.It took me half an hour to finish my homework.

He left in such a hurry that he forgot to close the door.

What a dangerous job it is!

Many a man has gone to the big cities for work.

③当名词前的形容词前有so, how, too等词时,不定冠词应放在形容词之后。

Eg. She was so nice a girl that she took the blind man to the station.

How nice a film this is!

④当名词前面有形容词和quite, rather, very时,不定冠词放在quite, rather之后,very之前。

eg.It is quite a good book.

That is rather a useful too1.

This is a very interesting story.

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