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带你步入魔法世界:《哈利•波特与魔法石》赏析(61)

时间:2012-01-20 11:11:44 来源:可可英语 编辑:lily  每天三分钟英语轻松学

Dudley was now so scared of Harry he wouldn't stay in the same room, while Aunt Petunia and Uncle Vernon didn't shut Harry in his cupboard 

while 的主要用法

1. 用作从属连词,意思是“当……时;和……同时”,引导时间状语从句。注意该状语从句的谓语动词必须是延续性动词,不能是终止性动词,如果是终止性动词,酌情用when或as。

They phoned while you were out. 你不在家时他们打来了电话。(be out为延续性动词)

When I came in, he was reading a book. 我进来时,他正在看一本书。(come 为终止性动词)(参见“误①”)

2. 如果从句的主语与主句的主语为同一人且从句的谓语含有系动词be时,可省略从句的主语及系动词be;如果从句的主语与主句的主语不是同一人,则不可省略。

The child watched TV while (he was) eating. 这个男孩边吃边看电视。

She took a bath while I was preparing a meal. 我准备饭菜的时候,她在洗澡。(参见“误②”)

3. 用作并列连词,意思是“但;却;然而”,表示对比或与前面的情况相反,注意when和as不能表示这一含义。

She drinks black coffee while I prefer it with cream. 她喜欢喝清咖啡而我喜欢加奶油的。(参见“误③”)

I earn only 100 dollars a month, while you earn 400 dollars. 我一个月只赚一百美元,你却赚四百美元。

4. 用作从属连词,表示让步,意思是“虽然”,其意义相当于although,主要用于书面语中。注意主句的前面不可有but等连接词。

While he understands your idea, he doesn't agree with you. 虽然他了解你的想法,但他还是不赞同你。(参见“误④”)

5. while作名词时,意思是“一点时间;一会儿”,表示泛指时常与a连用;表示特指时可与the, this, that连用。常用的短语有:after a while过了一会儿;all the while一直;in a while不久;once in a while偶尔等。

It took her quite a while to find a hotel. 她花了很长时间才找到一家旅馆。

Where have you been all this while? 这阵子你一直在哪儿? 

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