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冠词aan的用法及区别
时间:2025-04-16 06:23:17
答案

1. 基本区别

原则上说,a用于辅音前;an用于元音前。辅音前用a的例子如a bag, a tree, a park, a desk, a pen, a bottle, a room, a tower, a factory, a girl, a boy,

a woman, a table 等;元音前用an的例子如:

I want to look up an old friend. 我想去看一位朋友。

He made an obvious mistake. 他犯了一个明显的错误。

She’s had an operation on her foot. 她的脚动了手术。

They made an alliance against him. 他们联合起来对付他。

I have an American passport. 我有一份美国护照。

She is an official in the Department of Education. 她是教育部的一名官员。

2. 易错说明

hour, honest, honor等单词的拼写虽然以辅音字母h开头,但其读音却以元音开头,因此,前面要用an。反过来,有些单词虽然以元音字母

开头,但其读音却以辅音开头,那么它们的前面应用a而不是an,这些词常见的有useful, university, usual, European, united, one-eyed, one-way

等。

另外,对于数字、字母以及由单词首字母构成的缩略词,其前到底是用a还是an,也需根据读音来确定,如:

We have an 8-hour workday. 我们实行8小时工作制。

The closure of the regional offices was phased over an 18-month period. 地区事务所在18个月内逐步关闭。

They’ve just bought an 18th-century pile in Surrey. 他们刚刚在萨里郡买了一所18世纪的大房子。

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