2017同步攻关高考英语一轮复习学案：语法部分 第10讲 名词性从句
<p> 第10讲 名词性从句</p><p> 【定义】一个句子在另一个句子中充当主语、宾语、表语、同位语，相当于名词，故称为名词性从句。</p><p> 【四大从句】名词性从句分为主语从句、宾语从句、表语从句和同位语从句。</p><p> 一、主语从句</p><p> 一个句子在另一个句子中充当主语，即句子充当主语，该句子称为主语从句。</p><p> 【完成例句】</p><p> 根据句意选词填空(<span word="that">that</span>, <span word="if">if</span>, <span word="whether">whether</span>, <span word="why">why</span>, <span word="when">when</span>, <span word="what">what</span>)</p><p> (1) <span word="That">That</span> <span word="he">he</span> <span word="will">will</span> <span word="succeed">succeed</span> <span word="is">is</span> <span word="certain">certain</span>.</p><p> (2) <span word="Whether">Whether</span> <span word="he">he</span> <span word="will">will</span> <span word="go">go</span> <span word="there">there</span> <span word="is">is</span> <span word="not">not</span> <span word="known">known</span>.</p><p> (3) <span word="What">What</span> <span word="he">he</span> <span word="said">said</span> <span word="is">is</span> <span word="not">not</span> <span word="true">true</span>.</p><p> (4) <span word="When">When</span> <span word="the">the</span> <span word="meeting">meeting</span> <span word="will">will</span> <span word="be">be</span> <span word="held">held</span> <span word="has">has</span> <span word="not">not</span> <span word="been">been</span> <span word="decided">decided</span> <span word="yet">yet</span>.</p><p> 【结论】 ①<span word="that">that</span>－从句，从句为一个句意完整的陈述句，没有具体意义，不充当句子成分，只起标志性作用，但<span word="that">that</span> 不能省略。</p><p> ②<span word="whether">whether</span> －从句，从句来源于一般疑问句，<span word="whether">whether</span>不能省略，意为“是否”，不能用<span word="if">if</span>替换。</p><p> ③特殊疑问词－从句，从句来源于特殊疑问句，特殊疑问词不能省略，意思为特殊疑问词本来的意思，在从句中充当句子成分。</p><p> 【疑难1】<span word="Who">Who</span> <span word="he">he</span> <span word="is">is</span> <span word="is">is</span> <span word="none">none</span> <span word="of">of</span> <span word="my">my</span> <span word="business">business</span>.</p><p> 【疑难剖析1】任何从句要用陈述句语序，即主谓语序。</p>
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