2017届高考英语二轮语法专题课件：专题13 名词性从句
<p> 考点透析 知识清单 考点警示</p><p> 名词性从句是语法填空的必考点之一，也是写作中必备的写作句式，语法填空主要以填写关系词为主，做此类题时，首先判定设空处要填的词与所修饰词之间的关系，以及关连词在从句中的功能意义，然后准确判定填入连接代词，还是连接副词等。例如： (2017·广东)<span word="The">The</span> <span word="new">new</span> <span word="boy">boy</span> <span word="looked">looked</span> <span word="at">at</span> <span word="the">the</span> <span word="teacher">teacher</span> <span word="for">for</span> <span word="a">a</span> <span word="few">few</span> <span word="seconds">seconds</span> <span word="and">and</span> <span word="all">all</span> <span word="the">the</span> <span word="other">other</span> <span word="students">students</span> <span word="wondered">wondered</span> __24__ <span word="the">the</span> <span word="boy">boy</span> <span word="would">would</span> <span word="do">do</span>.</p><p> 在此题中，设空之后的句子显然作<span word="wonder">wonder</span>的宾语，也就是说——<span word="the">the</span> <span word="boy">boy</span> <span word="would">would</span> <span word="do">do</span>为宾语从句，在此宾语从句中设空处要填入关系词，作<span word="do">do</span>的宾语，故答案应为<span word="what">what</span>。 另外，名词性从句在写作中使用较广，应加强名词性从句的各种从句形式的表达练习，以便使你的作文增加亮点。 1．主语从句作主语，主句谓语动词通常用单数；为使句子平衡，常用<span word="it">it</span>作形式主语。如：<span word="It">It</span> <span word="is">is</span> <span word="a">a</span> <span word="pity">pity</span> <span word="that">that</span> <span word="you">you</span> <span word="missed">missed</span> <span word="the">the</span> <span word="film">film</span>. 2．表语从句还可以用<span word="as">as</span> <span word="if">if</span>，<span word="as">as</span> <span word="though">though</span>引导。如：<span word="It">It</span> <span word="almost">almost</span> <span word="seemed">seemed</span> <span word="as">as</span> <span word="if">if</span> <span word="the">the</span> <span word="good">good</span> <span word="man">man</span> <span word="were">were</span> <span word="trying">trying</span> <span word="to">to</span> <span word="teach">teach</span> <span word="us">us</span> <span word="all">all</span> <span word="he">he</span> <span word="knew">knew</span> <span word="at">at</span> <span word="this">this</span> <span word="last">last</span> <span word="lesson">lesson</span>. 3．表示“是否”，引导宾语从句时可用<span word="if">if</span>或<span word="whether">whether</span>，但在介词后或直接与<span word="or">or</span> <span word="not">not</span>连用时，只能用<span word="whether">whether</span>引导；引导表语从句、同位语从句或位于句首的主语从句时，只能用<span word="whether">whether</span>，不用<span word="if">if</span>。 4．同位语从句一般放在<span word="fact">fact</span>，<span word="news">news</span>，<span word="idea">idea</span>，<span word="promise">promise</span>，<span word="suggestion">suggestion</span>，<span word="advice">advice</span>等抽象名词之后，说明或解释这些抽象名词的具体内容。多用<span word="that">that</span>引导，不能由<span word="which">which</span>引导。 5．当宾语从句又带有补足语时，要用<span word="it">it</span>作形式宾语。如：<span word="I">I</span> <span word="made">made</span> <span word="it">it</span> <span word="clear">clear</span> <span word="that">that</span> <span word="I">I</span> <span word="would">would</span> <span word="have">have</span> <span word="no">no</span> <span word="time">time</span> <span word="to">to</span> <span word="do">do</span> <span word="that">that</span> <span word="tomorrow">tomorrow</span>.我已讲明了我明天没时间做那件事。 6．在表示“建议”“命令”“要求”，如<span word="advice">advice</span>，<span word="suggestion">suggestion</span>，<span word="proposal">proposal</span>，<span word="order">order</span>，<span word="demand">demand</span>，<span word="request">request</span>等词后的名词性从句，其谓语通常用“(<span word="should">should</span>＋)动词原形”。</p>
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