2014年中考英语常见考点：原因状语从句
<p>知识点总结</p><p> 是用来说明引起主句这个结果的原因的从句，在初中阶段引导原因状语从句的从属连词主要的有<span word="because">because</span>, <span word="as">as</span>, <span word="since">since</span>,<span word="for">for</span>等。例如：</p><p> 1.<span word="I">I</span> <span word="didnt">didnt</span> <span word="go">go</span> <span word="to">to</span> <span word="school">school</span> <span word="yesterday">yesterday</span> <span word="because">because</span> <span word="I">I</span> <span word="was">was</span> <span word="ill">ill</span>. 我昨天没去上学，因为我生病了。</p><p> 2. <span word="Since">Since</span> <span word="everybody">everybody</span> <span word="is">is</span> <span word="h">h</span> <span word="ere">ere</span>, <span word="lets">lets</span> <span word="begin">begin</span> <span word="our">our</span> <span word="meeting">meeting</span>. 既然大家都来了, 让我们开始开会吧.</p><p> 3. <span word="As">As</span> <span word="you">you</span> <span word="are">are</span> <span word="in">in</span> <span word="poor">poor</span> <span word="health">health</span>, <span word="you">you</span> <span word="should">should</span> <span word="not">not</span> <span word="stay">stay</span> <span word="up">up</span> <span word="late">late</span>. 既然你身体不好, 你就不该熬夜.</p><p> 4.<span word="I">I</span> <span word="asked">asked</span> <span word="her">her</span> <span word="to">to</span> <span word="stay">stay</span> <span word="to">to</span> <span word="tea">tea</span>, <span word="for">for</span> <span word="I">I</span> <span word="had">had</span> <span word="something">something</span> <span word="to">to</span> <span word="tell">tell</span> <span word="her">her</span>. 我请她留下来喝茶,因为我有事要告诉她.</p><p> 原因状语从句应注意的问题</p><p> 1、<span word="because">because</span> , <span word="since">since</span> , <span word="as">as</span> , <span word="for">for</span>,辨析</p><p> 1)<span word="because">because</span>语势最强，用来说明人所不知的原因，回答<span word="why">why</span>提出的问题。当原因是显而易见的或已为人们所知，就用<span word="as">as</span>或 <span word="since">since</span>。</p><p> <span word="I">I</span> <span word="did">did</span> <span word="nt">nt</span> <span word="go">go</span>, <span word="because">because</span> <span word="I">I</span> <span word="was">was</span> <span word="afraid">afraid</span>.</p><p> <span word="Since">Since</span> /<span word="As">As</span> <span word="the">the</span> <span word="weather">weather</span> <span word="is">is</span> <span word="so">so</span> <span word="bad">bad</span>, <span word="we">we</span> <span word="have">have</span> <span word="to">to</span> <span word="delay">delay</span> <span word="our">our</span> <span word="journey">journey</span>.</p><p> 2)由<span word="because">because</span>引导的从句如果放在句末，且前面有逗 号，则可以用<span word="for">for</span>来代替。但如果不是说明直接原因，而是多种情况加以推断，就只能用<span word="for">for</span>。例：</p><p> <span word="He">He</span> <span word="is">is</span> <span word="absent">absent</span> <span word="today">today</span>, <span word="becaus">becaus</span> <span word="e">e</span> / <span word="for">for</span> <span word="he">he</span> <span word="is">is</span> <span word="ill">ill</span>. <span word="He">He</span> <span word="must">must</span> <span word="be">be</span> <span word="ill">ill</span>, <span word="for">for</span> <span word="he">he</span> <span word="is">is</span> <span word="absent">absent</span> <span word="today">today</span>.</p>
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