while怎么用啊,都有什么用法?要详尽,谢谢了~~
来源:百度知道 编辑:UC知道 时间:2024/09/21 16:35:45
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