突破GRE难句十种语法结构：it的用法
<p> <span word="Gre">Gre</span>逻辑阅读为什么理解会比较困难呢?<span word="gre">gre</span>逻辑阅读中的句子相对托福考试要难的多，怎样突破这些难句呢?小编为大家搜集整理有关<span word="gre">gre</span>逻辑阅读中突破<span word="gre">gre</span>难句的语法结构。</p><p> <span word="it">it</span>的用法</p><p> 在英语中，<span word="it">it</span>在句子中除了常常用来表示气候、天气、温度、时间、地点和距离等外，还可用于强调句型中。强调的部分可以是主语、宾语或副词短语等等。例如：<span word="It">It</span> <span word="was">was</span> <span word="the">the</span> <span word="Minister">Minister</span> <span word="of">of</span> <span word="Education">Education</span> <span word="that">that</span> <span word="my">my</span> <span word="mother">mother</span> <span word="threw">threw</span> <span word="an">an</span> <span word="egg">egg</span> <span word="at">at</span> <span word="yesterday">yesterday</span>.我母亲昨天向教育大臣扔了一个臭鸡蛋。但是其一般不强调谓语。</p><p> 此外，<span word="it">it</span>还可以在句子中充当形式主语或形式宾语。例如：<span word="It">It</span> <span word="was">was</span> <span word="very">very</span> <span word="generous">generous</span> <span word="of">of</span> <span word="you">you</span> <span word="to">to</span> <span word="lend">lend</span> <span word="them">them</span> <span word="your">your</span> <span word="new">new</span> <span word="car">car</span> <span word="for">for</span> <span word="their">their</span> <span word="holiday">holiday</span>.你把新车借给他们去度假，真是慷慨大方。这个例句中，用<span word="it">it</span>代替不定式短语<span word="to">to</span> <span word="lend">lend</span> <span word="them">them</span> <span word="your">your</span> <span word="new">new</span> <span word="car">car</span> <span word="for">for</span> <span word="their">their</span> <span word="holiday">holiday</span>作形式主语。并且从这个例句可以看出，当<span word="it">it</span>充当形式主语或宾语时，后面被代替的真正主语或宾语通常是不定式短语、动名词短语或名词性从句。不定式短语作为主语时，特别是主语较长而谓语较短时，常用<span word="it">it</span>作形式主语，而把真正的主语放在谓语后面。<span word="it">it</span>+连系动词+表语+<span word="to">to</span> <span word="do">do</span> <span word="sth">sth</span>.是<span word="it">it</span>作形式主语常用的结构之一。有时若需要给出不定式的逻辑主语，则可以使用<span word="for">for</span>+名词+<span word="to">to</span> <span word="do">do</span> <span word="sth">sth</span>.的结构。</p>
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