while用法
一、while用作名词时,意为“一段时间,一会儿”。例如:
I stayed there for a short while.
我在那儿呆了一小会儿。
The postman came a short while ago.
邮递员刚刚来过。
二、while用作连词时,有以下几种含义:
1.意为“当……时候,和……同时”,引导时间状语从句。例如:While I was watching TV, the bell rang.
我看电视时,铃响了。
Meimei watched TV while she ate her supper.
梅梅边吃晚饭边看电视。
2.意为“虽然,尽管”,引导让步状语从句。例如:
While it was late, he went on working.
虽然很晚了,但他还在继续工作。
While he is in poor health, he works hard.
虽然他身体不好,但他还是努力工作。
3.连接两个并列句子,表示“对比”关系。例如:
He went out for a walk, while I stayed at home.
他出去散步了,而我却呆在家里。
I like singing while she likes dancing.
我喜欢唱歌,而她喜欢跳舞。
You like sports, while I prefer music.
你喜欢体育,而我更喜欢音乐。
三、while引导状语从句时,应注意以下几点:
1.while引导的时间状语从句既可放在句首,也可放在句末;而while引导的让步状语从句一般放在句首,不放在句末。另外,也可以从意义上加以区分。例如:
While he was tired, he went on working.
虽然他累了,但他还是继续工作。
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