2016届广东省天河区高考英语二轮语法复习精讲精练：it用法02
<p> <span word="it">it</span>用法精讲精炼02</p><p> 【考点诠释】</p><p> 考点 <span word="it">it</span>的用法</p><p> 在英语中，运用<span word="it">it</span>的场合较多。从它在句中的作用和意义来看，<span word="it">it</span>的用法可分为三类：</p><p> 1．指代作用</p><p> (1)用作人称代词，代替前文或后文所提到的同一事物(单数可数名词或不可数名词)。如：</p><p> <span word="Although">Although</span> <span word="we">we</span> <span word="cannot">cannot</span> <span word="see">see</span> <span word="it">it</span>，<span word="there">there</span> <span word="is">is</span> <span word="air">air</span> <span word="all">all</span> <span word="around">around</span> <span word="us">us</span>．虽然我们看不见空气，但它却在我们的周围。</p><p> (2)代替前面的整个句子。如：</p><p> <span word="It">It</span> <span word="is">is</span> <span word="said">said</span> <span word="that">that</span> <span word="he">he</span> <span word="has">has</span> <span word="died">died</span> <span word="of">of</span> <span word="a">a</span> <span word="disease">disease</span>，<span word="but">but</span> <span word="it">it</span> <span word="isn">isn</span>’<span word="t">t</span> <span word="true">true</span>．据说他已经病死了，但这不是真的。</p><p> (3)用在答语中代替指示代词<span word="this">this</span>，<span word="that">that</span>。如：</p><p> 一<span word="What">What</span> <span word="is">is</span> <span word="this">this</span>?这是什么?</p><p> 一<span word="It">It</span>’<span word="s">s</span> <span word="a">a</span> <span word="bike">bike</span>．是自行车。</p><p> (4)代替不能或没有必要区分性别的或某些习惯说法中的人。如：</p><p> ①<span word="The">The</span> <span word="baby">baby</span> <span word="cried">cried</span> <span word="because">because</span> <span word="it">it</span> <span word="Was">Was</span> <span word="hungry">hungry</span>．婴儿哭是因为饿了。(婴儿习惯上不区分性别)</p><p> ②一<span word="Who">Who</span> <span word="is">is</span> <span word="knocking">knocking</span> <span word="at">at</span> <span word="the">the</span> <span word="door">door</span>?谁在敲门?</p><p> 一<span word="It">It</span>’<span word="s">s</span> <span word="me">me</span>．是我<span word="o">o</span></p><p> (5)指环境、情形等。如：</p><p> ①<span word="I">I</span> <span word="can">can</span>’<span word="t">t</span> <span word="stand">stand</span> <span word="it">it</span> <span word="any">any</span> <span word="longer">longer</span>．我再也不能容忍这种情况了。</p><p> ②<span word="Take">Take</span> <span word="it">it</span> <span word="easy">easy</span>．别紧张。</p><p> ③<span word="It">It</span> <span word="doesn">doesn</span>’<span word="t">t</span> <span word="matter">matter</span>．没关系。</p>
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