不定冠詞的用法歸納

不定冠詞，英語虛詞冠詞的一種，冠詞是虛詞，本身不能單獨使用，也沒有詞義，它用在名詞的前面，幫助指明名詞的含義。下面是小編歸納的一些不定冠詞的用法，以供大家學習參考。

不定冠詞的用法 ：

　　1. 不定冠詞表示“一個”、“某一個”、“ 每一”、“再一，又一”、或“同一，相同”等

Eg. Rome is not built in a day.

A Mr. Smith is waiting for you at the school gate.

He usually works eight hours a day.

You can try it a second time if you fail.

They are of an age./ Birds of a feather flocks together.

　　2. 不定冠詞泛指某一類人或物，意爲“任何一個，任一”

Eg: A square has four sides.

　　3. 當物質名詞具體化表示“一(類、陣、份)”等;抽象名詞具體化爲“…… 的人或者事”時

Eg: Green tea is a wonderful tea.

We don’t have much rain here, but last night we had a heavy rain.

Reading is a pleasure for me.

The meeting is a great success.

　　4. 不定冠詞表示季節、月份、日期、三餐的名詞，或表示世上獨一無二的物體名詞前有形容詞修飾時

Eg: We have a every cold winter last year.

This happened on a rain Sunday towards the end of May.

We hope we can see a full moon tonight.

　　5. 源於動詞的名詞與take/have 連用時

Take a look; take a walk; have a break; have a visit to…

　　6. 不定冠詞用於某些固定詞組中

All of a sudden; as a matter of fact; as a result; as a rule; as a whole; at a distance; in a way; in a hurry; in a sense; in a word; do sb. a favour; have a good time; have a word with ; go for a walk; make a difference; make a fool of oneself; make a living; pay a visit to ; take an interest in; tell a lie; a good/wise knowledge of; a danger/threat to sb.; come as a surprise/shock; wish sb. a Merry Christmas…