名师指导：英语从句总复习
<p> 名师指导：英语从句总复习</p><p> 1）表语从句</p><p> 1.定义：用作表语的从句叫做表语从句。</p><p> 2.构成：关联词+简单句</p><p> 3.引导表语从句的关联词的种类：</p><p> （1）从属连词<span word="that">that</span>.如：</p><p> <span word="The">The</span> <span word="trouble">trouble</span> <span word="is">is</span> <span word="that">that</span> <span word="I">I</span> <span word="have">have</span> <span word="lost">lost</span> <span word="his">his</span> <span word="address">address</span>.麻烦是我把他的地址丢了。</p><p> （2）从属连词<span word="whether">whether</span>，<span word="as">as</span>，<span word="as">as</span> <span word="if">if</span>.如：</p><p> <span word="He">He</span> <span word="looked">looked</span> <span word="just">just</span> <span word="as">as</span> <span word="he">he</span> <span word="had">had</span> <span word="looked">looked</span> <span word="ten">ten</span> <span word="years">years</span> <span word="before">before</span>.他看起来还与十年前一样。</p><p> <span word="The">The</span> <span word="question">question</span> <span word="is">is</span> <span word="whether">whether</span> <span word="they">they</span> <span word="will">will</span> <span word="be">be</span> <span word="able">able</span> <span word="to">to</span> <span word="help">help</span> <span word="us">us</span>.问题是他们是否能帮我们。</p><p> 注：从属连词<span word="if">if</span>一般不用来引导表语从句，但<span word="as">as</span> <span word="if">if</span>却可引导表语从句，如：</p><p> <span word="All">All</span> <span word="this">this</span> <span word="was">was</span> <span word="over">over</span> <span word="twenty">twenty</span> <span word="years">years</span> <span word="ago">ago</span>，<span word="but">but</span> <span word="its">its</span> <span word="as">as</span> <span word="if">if</span> <span word="it">it</span> <span word="was">was</span> <span word="only">only</span> <span word="yesterday">yesterday</span>.</p><p> 这都是20多年前的事了，但宛如昨天一样。</p><p> 能跟表语从句的谓语动词一般为系动词<span word="be">be</span>，<span word="seem">seem</span>，<span word="look">look</span>等。如：</p><p> <span word="It">It</span> <span word="looked">looked</span> <span word="as">as</span> <span word="if">if</span> <span word="it">it</span> <span word="was">was</span> <span word="going">going</span> <span word="to">to</span> <span word="rain">rain</span>.看起来天要下雨了。</p><p> （3）连接代词<span word="who">who</span>，<span word="whom">whom</span>，<span word="whose">whose</span>，<span word="what">what</span>，<span word="which">which</span>，<span word="whoever">whoever</span>，<span word="whatever">whatever</span>，<span word="whichever">whichever</span></p><p> 连接副词 <span word="where">where</span>，<span word="when">when</span>，<span word="how">how</span>，<span word="why">why</span>.</p><p> 如：<span word="The">The</span> <span word="problem">problem</span> <span word="is">is</span> <span word="who">who</span> <span word="we">we</span> <span word="can">can</span> <span word="get">get</span> <span word="to">to</span> <span word="replace">replace</span> <span word="her">her</span>.问题是我们能找到谁去替换她呢。</p>
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