2015届高考英语一轮基础语法专项训练：专题六 《状语从句》（人教版）
<p> 专题六 状语从句</p><p> ◆时间状语从句的考查要点</p><p> 1．<span word="before">before</span>引导的从句中不用否定式谓语。常用如下句型：</p><p> <span word="It">It</span> <span word="will">will</span> <span word="be">be</span> <span word="long">long</span> <span word="before">before</span>...(得过好久才……)</p><p> <span word="It">It</span> <span word="will">will</span> <span word="not">not</span> <span word="be">be</span> <span word="long">long</span> <span word="before">before</span>...(过不了多久就……)</p><p> <span word="It">It</span> <span word="was">was</span> <span word="long">long</span> <span word="before">before</span>... (过了好久才……)</p><p> <span word="It">It</span> <span word="was">was</span> <span word="not">not</span> <span word="long">long</span> <span word="before">before</span>... (过了不久就……)</p><p> 2．<span word="since">since</span>后面所用动词不同，该动词所表示动作持续时间的计算方法也不同。</p><p> <span word="It">It</span> <span word="is">is</span> <span word="two">two</span> <span word="years">years</span> <span word="since">since</span> <span word="he">he</span> <span word="joined">joined</span> <span word="the">the</span> <span word="army">army</span>.他参军两年了。</p><p> <span word="It">It</span> <span word="is">is</span> <span word="two">two</span> <span word="years">years</span> <span word="since">since</span> <span word="he">he</span> <span word="smoked">smoked</span>.他戒烟两年了。</p><p> 3．<span word="as">as</span>，<span word="when">when</span>，<span word="while">while</span>用法一览表。</p><p> 类别 作用 例句<span word="as">as</span> <span word="as">as</span>表示“当……的时候”，往往和<span word="when">when</span>/ <span word="while">while</span>通用，但它着重强调主句与从句的动作或事情同时或几乎同时发生。 <span word="She">She</span> <span word="came">came</span> <span word="up">up</span> <span word="as">as</span> <span word="I">I</span> <span word="was">was</span> <span word="cooking">cooking</span>.(同时)</p><p> <span word="The">The</span> <span word="runners">runners</span> <span word="started">started</span> <span word="as">as</span> <span word="the">the</span> <span word="gun">gun</span> <span word="went">went</span> <span word="off">off</span>.(几乎同时)</p><p> <span word="when">when</span> (<span word="at">at</span> <span word="or">or</span> <span word="during">during</span> <span word="the">the</span> <span word="time">time</span> <span word="that">that</span> )既可以表示在某一点的时候，又可表示在某一段时间内，主句与从句的动作或事情可以同时发生也可以先后发生。 <span word="It">It</span> <span word="was">was</span> <span word="raining">raining</span> <span word="when">when</span> <span word="we">we</span> <span word="arrived">arrived</span>.(指时间点)</p><p> <span word="When">When</span> <span word="we">we</span> <span word="were">were</span> <span word="at">at</span> <span word="school">school</span>，<span word="we">we</span> <span word="went">went</span> <span word="to">to</span> <span word="the">the</span> <span word="library">library</span> <span word="every">every</span> <span word="day">day</span>.(在一段时间内)</p><p> <span word="while">while</span> <span word="while">while</span>意思是“当……的时候”或“在某一段时间里”。主句中的动作或事情在从句中的动作或事情的进展过程中发生，从句中的动词一般要用延续性动词。在<span word="when">when</span>表示<span word="a">a</span> <span word="period">period</span> <span word="of">of</span> <span word="time">time</span>时，两者可以互换。 <span word="Please">Please</span> <span word="don">don</span>’<span word="t">t</span> <span word="talk">talk</span> <span word="so">so</span> <span word="loud">loud</span> <span word="while">while</span> <span word="others">others</span> <span word="are">are</span> <span word="working">working</span>.</p>
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