英语北师大版一轮复习讲练：Part II 语法部分 专题10 名词性从句
<p> 专题十 名词性从句</p><p> 一、概念</p><p> 定义：在句子中起名词作用的句子叫名词性从句 (<span word="Noun">Noun</span> <span word="Clauses">Clauses</span>)。</p><p> 名词性从句在复合句中能担任：主语、宾语(介词宾语)、表语、同位语，因此，根据它在句中不同的语法功能，可分为：主语从句、宾语从句、表语从句和同位语从句。</p><p> 引导名词性从句的连接词可分为三类：</p><p> 1．连接连词：<span word="that">that</span>, <span word="whether">whether</span>, <span word="if">if</span>, <span word="as">as</span> <span word="if">if</span>和<span word="because">because</span>。 <span word="that">that</span>引导名词性从句时，在主从句中不可以充当任何句子成分，也没有任何含义。</p><p> <span word="The">The</span> <span word="fact">fact</span> <span word="is">is</span> <span word="that">that</span> <span word="we">we</span> <span word="have">have</span> <span word="lost">lost</span> <span word="the">the</span> <span word="game">game</span>.</p><p> <span word="The">The</span> <span word="reason">reason</span> <span word="why">why</span> <span word="he">he</span> <span word="was">was</span> <span word="late">late</span> <span word="was">was</span> <span word="that">that</span> <span word="he">he</span> <span word="missed">missed</span> <span word="the">the</span> <span word="train">train</span> <span word="this">this</span> <span word="morning">morning</span>.</p><p> <span word="He">He</span> <span word="has">has</span> <span word="told">told</span> <span word="me">me</span> <span word="that">that</span> <span word="he">he</span> <span word="will">will</span> <span word="go">go</span> <span word="to">to</span> <span word="Shanghai">Shanghai</span> <span word="tomorrow">tomorrow</span>.</p><p> <span word="It">It</span> <span word="looks">looks</span> <span word="as">as</span> <span word="if">if</span> <span word="it">it</span> <span word="is">is</span> <span word="going">going</span> <span word="to">to</span> <span word="rain">rain</span>.</p><p> <span word="It">It</span> <span word="happened">happened</span> <span word="that">that</span> <span word="I">I</span> <span word="went">went</span> <span word="out">out</span> <span word="last">last</span> <span word="night">night</span>.</p><p> <span word="It">It</span> <span word="is">is</span> <span word="known">known</span> <span word="to">to</span> <span word="us">us</span> <span word="how">how</span> <span word="he">he</span> <span word="became">became</span> <span word="a">a</span> <span word="writer">writer</span>.</p><p> <span word="Whether">Whether</span> <span word="there">there</span> <span word="is">is</span> <span word="life">life</span> <span word="on">on</span> <span word="the">the</span> <span word="moon">moon</span> <span word="is">is</span> <span word="an">an</span> <span word="interesting">interesting</span> <span word="question">question</span>.</p><p> <span word="Everything">Everything</span> <span word="depends">depends</span> <span word="on">on</span> <span word="whether">whether</span> <span word="we">we</span> <span word="have">have</span> <span word="enough">enough</span> <span word="money">money</span>.</p><p> 2．连接代词：<span word="what">what</span>, <span word="whatever">whatever</span>, <span word="who">who</span>, <span word="whoever">whoever</span>, <span word="whom">whom</span>, <span word="whose">whose</span>和<span word="which">which</span>。</p><p> 注意：<span word="what">what</span>引导名词性从句时，在主从句中都要充当一定的句子成分，<span word="what">what</span>可以分解成定语从句中的先行词＋关系代词即常说的先行词＋ <span word="that">that</span>。</p>
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