状语从句知识点总结：时间状语从句学习指导
<p>【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了英语语法大全，希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。</p><p>时间状语从句就是在复合句中表示主句动作发生时间的状语从句。时间状语从句是所有状语从句中用得最经常的一种，并且用于引导时间状语从句的引导词也比较多，在学习时间状语从句时最重要的是记住这些引导词有哪些，它们的意思怎样等。到底时间状语从句可以用哪些词来引导呢?请看下文：</p><p>1. 用<span word="when">when</span>引导：<span word="when">when</span>表示当时候。如：</p><p><span word="Things">Things</span> <span word="were">were</span> <span word="different">different</span> <span word="when">when</span> <span word="I">I</span> <span word="was">was</span> <span word="a">a</span> <span word="child">child</span>. 我小时候情况与现在不同。</p><p><span word="People">People</span> <span word="breathe">breathe</span> <span word="more">more</span> <span word="slowly">slowly</span> <span word="when">when</span> <span word="they">they</span> <span word="are">are</span> <span word="asleep">asleep</span>. 人睡觉时呼吸比较缓慢。</p><p>2. 用<span word="while">while</span>引导：<span word="while">while</span>表示当时候。如：</p><p><span word="We">We</span> <span word="must">must</span> <span word="strike">strike</span> <span word="while">while</span> <span word="the">the</span> <span word="iron">iron</span> <span word="is">is</span> <span word="hot">hot</span>. 我们要趁热打铁。</p><p><span word="I">I</span> <span word="went">went</span> <span word="swimming">swimming</span> <span word="while">while</span> <span word="the">the</span> <span word="others">others</span> <span word="played">played</span> <span word="tennis">tennis</span>. 我去游泳，其余的人都打网球去了。</p><p>注意：<span word="while">while</span> 所引导的时间状语从句中谓语动词必须是持续性的，不能是短暂性的。</p><p>3. 用<span word="as">as</span>引导：<span word="as">as</span>表示当时候随着。如：</p><p><span word="He">He</span> <span word="dropped">dropped</span> <span word="the">the</span> <span word="glass">glass</span> <span word="as">as</span> <span word="he">he</span> <span word="stood">stood</span> <span word="up">up</span>. 他站起来时，把杯子摔了。</p>
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