2017江苏《夺冠之路》高三英语【牛津译林版】一轮复习精品学案：语法部分 第9讲 状语从句
<p> 第9讲 状语从句（要点透析）状语从句</p><p> 状语从句是一个句子充当另一个句子的状语，表示主句动作发生的时间、条件、原因、方式、结果、目的等等。状语从句是历年高考题的重点、难点。命题一般是考查学生连词的掌握情况，根据两个句子的意思，判断两个句子之间的逻辑关系，选择合适的连词。常见的状语从句有九大类。</p><p> 一、时间状语从句</p><p> 1．<span word="when">when</span>, <span word="as">as</span>与<span word="while">while</span>表示时间</p><p> <span word="when">when</span>既可表示“一段时间”(与持续性动词连用)，又可表示“时间点”(与瞬间动词连用)；<span word="when">when</span>可作并列连词，意为“这(那)时”。<span word="while">while</span>只表示“一段时间”，只与持续性动词连用，<span word="while">while</span>可表示对比转折，有“然而”之意。</p><p> <span word="as">as</span>用法同<span word="when">when</span>相似，但侧重主句和从句动作发生的同时性，可译作“随着”，“一边……一边……”。</p><p> <span word="I">I</span> <span word="fell">fell</span> <span word="asleep">asleep</span> <span word="when">when</span>/<span word="as">as</span>/<span word="while">while</span> <span word="he">he</span> <span word="was">was</span> <span word="doing">doing</span> <span word="his">his</span> <span word="exercises">exercises</span>.</p><p> <span word="When">When</span>/<span word="As">As</span> <span word="he">he</span> <span word="arrived">arrived</span> <span word="in">in</span> <span word="Shanghai">Shanghai</span>, <span word="she">she</span> <span word="met">met</span> <span word="him">him</span> <span word="at">at</span> <span word="the">the</span> <span word="station">station</span>.</p><p> <span word="I">I</span> <span word="was">was</span> <span word="about">about</span> <span word="to">to</span> <span word="go">go</span> <span word="out">out</span> <span word="when">when</span> <span word="it">it</span> <span word="began">began</span> <span word="to">to</span> <span word="rain">rain</span>.</p><p> <span word="I">I</span> <span word="like">like</span> <span word="tea">tea</span> <span word="while">while</span> <span word="she">she</span> <span word="likes">likes</span> <span word="coffee">coffee</span>.</p><p> <span word="As">As</span> <span word="spring">spring</span> <span word="warms">warms</span> <span word="the">the</span> <span word="earth">earth</span>, <span word="all">all</span> <span word="flowers">flowers</span> <span word="begin">begin</span> <span word="to">to</span> <span word="bloom">bloom</span>.</p><p> 2. <span word="before">before</span> 引导的从句中谓语动词不可用否定式，意为“在……之前；还没来得及；……(之后)才……”</p>
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