高中英语 语法精讲（Unit 19Modern agriculture）人教版
<p> 语法精讲<span word="The">The</span> <span word="Use">Use</span> <span word="of">of</span> “<span word="It">It</span>” (2) <span word="for">for</span> <span word="Emphasis">Emphasis</span> “<span word="It">It</span>”的用法(2)表示强调</p><p> 强调结构：<span word="It">It</span> <span word="is">is</span>/<span word="was">was</span>+被强调部分+<span word="that">that</span>/<span word="who">who</span>+句子剩余部分。强调结构可用来强调除谓语之外的所有成分：主语、宾语、状语等。应注意以下方面：</p><p> 1.强调主语用主格，强调宾语用宾格。</p><p> <span word="It">It</span> <span word="was">was</span> <span word="I">I</span> <span word="that">that</span> <span word="met">met</span> <span word="Tom">Tom</span> <span word="in">in</span> <span word="the">the</span> <span word="park">park</span>.</p><p> <span word="It">It</span> <span word="was">was</span> <span word="him">him</span> <span word="that">that</span> <span word="I">I</span> <span word="met">met</span> <span word="in">in</span> <span word="the">the</span> <span word="park">park</span>.</p><p> 2.只有强调人的时候可用<span word="who">who</span>,其余的一律用<span word="that">that</span>,不管强调的是时间、地点还是原因、方式。</p><p> <span word="It">It</span> <span word="was">was</span> <span word="in">in</span> <span word="Shanghai">Shanghai</span> <span word="that">that</span> <span word="I">I</span> <span word="saw">saw</span> <span word="the">the</span> <span word="film">film</span>.</p><p> 3.若把强调结构中的“<span word="It">It</span> <span word="is">is</span>/<span word="was">was</span>...<span word="that">that</span>/<span word="who">who</span>...”去掉，仍为一个完整句子，因此应注意状语的完整性，一定不要丢掉了必要的介词。</p><p> <span word="It">It</span> <span word="was">was</span> <span word="in">in</span> 1975 <span word="that">that</span> <span word="I">I</span> <span word="worked">worked</span> <span word="in">in</span> <span word="the">the</span> <span word="factory">factory</span>.</p><p> 4.若强调主语，从句的谓语动词应与被强调的主语一致。</p><p> <span word="It">It</span> <span word="is">is</span> <span word="Prof">Prof</span>.<span word="Lin">Lin</span> <span word="who">who</span> <span word="teaches">teaches</span> <span word="us">us</span> <span word="English">English</span>.</p><p> 5.注意强调结构与定语从句的区别。</p><p> <span word="It">It</span> <span word="is">is</span> <span word="the">the</span> <span word="factory">factory</span> <span word="where">where</span> <span word="I">I</span> <span word="worked">worked</span> 30 <span word="years">years</span> <span word="ago">ago</span>.(定语从句)</p><p> <span word="It">It</span> <span word="is">is</span> <span word="in">in</span> <span word="the">the</span> <span word="factory">factory</span> <span word="that">that</span> <span word="I">I</span> <span word="worked">worked</span> 30 <span word="years">years</span> <span word="ago">ago</span>.(强调结构)</p><p> 6.注意<span word="not">not</span>...<span word="until">until</span>的强调：把<span word="not">not</span>与<span word="until">until</span>一并提前。</p><p> <span word="It">It</span> <span word="was">was</span> <span word="not">not</span> <span word="until">until</span> <span word="his">his</span> <span word="mother">mother</span> <span word="came">came</span> <span word="back">back</span> <span word="that">that</span> <span word="he">he</span> <span word="went">went</span> <span word="to">to</span> <span word="bed">bed</span>.</p><p> 7.注意强调结构的疑问形式。</p>
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