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when while as的区别和用法
分类:语法详解 作者:本站原创

when while as的区别和用法详细解析如下:

1.when: 当…的时候

表示动作同时发生

We will stop when you do. 

你们停的时候我们就停。(同时停)

I will leave when you do. 

你离开的时候我就离开。(同时唱)

When she came in, he stood up.

她进来的时候他就站起来。(进来的动作与站的动作同时发生)


表示事情发生在同个时间段

Andy was ten when his grandmother died. 

安迪十岁时,他的奶奶去世。

They went skiing when they were on vacation.

 他们在度假的时候去滑雪了。

When I was a student, we didn’t have cell phones. 

当我还是学生的时候,我们没有手机。

When we came here, we had no money. 

我们到这的时候,我们没有钱。


表示某个动作完成后紧接发生另一个动作

When the bell rang, John went out of the classroom. 

铃声响后,约翰走出教室。

I will call you when I arrive. 

我到之后就打电话给你。

When the dinner was finished, Benny washed the dishes. 

吃完晚饭后,本尼洗碗。


2.while:在…期间

由于while强调在…期间,因此while引导的从句的动作须是延续性的(而when则可是瞬时动作或延续性的动作)

You called me while (when) I was out. 

我外出期间,你打电话给我了。

I met your mother while I was in college. 

我上大学的时候遇见了你母亲。

You can get me something while (when) you are at the store. 

你在商店的时候可以给我带点东西。 

The doorbell rang while she was doing the laundry. 

在她洗衣服的时候,门铃响了。

更详细的解析,可查看专门的链接:when和while的区别 


3.as:当…的时候

强调同步进行:一边…一边

She sang as she danced. 她一边唱歌一边跳舞。

We talked as we walked. 我们边走边谈。


强调同步发展:

As it grew darker, the fog got thicker. 天越黑,雾越浓。

As the sun came out, it became warmer. 太阳出来,越来越暖。

As she became more active ,she was given more responsibility. 她变的越积极,承担的责任也越多。


以上就是when while和as的基本区别,希望对你有所帮助。


• 查看相关语法: 状语从句
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