状语从句中when while as 的区别?
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/25 16:12:18
状语从句中when while as 的区别?
while,as,when 都可解释为“当…时候”,用来引导时间状语从句,但有区别:
1、while 意为 during the time that“在……期间”,表达一个“时间段”,不能表达“时间点”,从句的动词只限于持续性动词.例如:
One day while he was shopping in the supermarket,he saw his ex-wife with a man.
一天,他在超市购物时,他看到了他的前妻和一个男子在一起.
Strike while the iron is hot.
趁热打铁.
2、when 意为 at the time that“在…时”,多指“时间点”,例如:
When he returned from work,his wife was cooking.
他下班回家时,他的妻子正在做饭.
3、as 意为 at the same time that“正当……”或“与……同时”,它兼指“时间点”和“时间段”,从句的动词既可是短暂性动词,也可是持续性动词.例如:
The door bell rang as we were having breakfast.
正当我们吃饭的时候,门铃响了.
As the time went on,the weather got worse and worse.
随着时间的推移,天气越来越糟.
归纳:
总的说来,3者的功能区别大体可作如下描述:
while 为主句动作的发生划定一个时间的范围;
as 为主句动作的发生提供一个伴随的动作;
when 为主句动作的发生规定一个特定的时间.
1、while 意为 during the time that“在……期间”,表达一个“时间段”,不能表达“时间点”,从句的动词只限于持续性动词.例如:
One day while he was shopping in the supermarket,he saw his ex-wife with a man.
一天,他在超市购物时,他看到了他的前妻和一个男子在一起.
Strike while the iron is hot.
趁热打铁.
2、when 意为 at the time that“在…时”,多指“时间点”,例如:
When he returned from work,his wife was cooking.
他下班回家时,他的妻子正在做饭.
3、as 意为 at the same time that“正当……”或“与……同时”,它兼指“时间点”和“时间段”,从句的动词既可是短暂性动词,也可是持续性动词.例如:
The door bell rang as we were having breakfast.
正当我们吃饭的时候,门铃响了.
As the time went on,the weather got worse and worse.
随着时间的推移,天气越来越糟.
归纳:
总的说来,3者的功能区别大体可作如下描述:
while 为主句动作的发生划定一个时间的范围;
as 为主句动作的发生提供一个伴随的动作;
when 为主句动作的发生规定一个特定的时间.
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