第十节 状语从句
考点一 时间状语从句
1．when引导时间状语从句，意为“正在这时”，表示某件事正发生或刚刚发生时，突然发生另一动作。when构成的相关句型如下：
Tom was about to close the window when his attention was caught by a bird.
汤姆正要关窗户，这时他的注意力被一只鸟吸引住了。
[名师点津] “一……就……”的表达如下表：
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词类
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常用词
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例句
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从属连词
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as soon as
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He started as soon as he received the news.
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副词
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immediately，directly，instantly
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They phoned immediately they reached home.
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名词/名词短语
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the minute/moment/ second/instant，every/each time
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They ran away the moment they saw the guard.Each time I was in trouble，he would stand by.
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