IT THAT 在句子中用法 和用法区分
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IT THAT 在句子中用法 和用法区分
IT THAT 在句子中用法 和用法区分
IT THAT 在句子中用法 和用法区分
It做形式主语,代替由不定式,动名词短语或是从句所表示的真正的主语.如It’s no use talking to him about it.It做形式宾语,代替一个由不定式,动名词,或是宾语从句,如I think it no use arguing with him.it可以指季节,时间,距离 如It was mid summer.It’s only five miles.同时在强调句中,It + be + 要强调的部分+ that(who,whom) + 句子其他部分 .这个句型很重要,记住即可.that有些固定的搭配 如 so that ,such that.that 用作连词,引导名词性从句,状语从句和强调句.1.that名词性从句.①引导宾语从句.及物动词后的引导词that可省略.I didn't expect (that) he could win the championship.The teacher pointed out that Tom was not working hard enough.② 引导主语从句.通常采用it作形式主语的句型.That the earth goes around the sun is known to everyone.（It is known to everyone that the earth goes around the sun.） ③引导表语从句.The trouble is that we are short of money.④引导同位语从句.引导同位语从句的that和引导定语从句的that是不同的.前者只起语法作用,在从句中不作任何成分；而后者在定语从句中作主语、宾语或表语.举例说明：The news that he resigned from office surprised us.The idea that he holds is very common nowadays on campus.2.that引导状语从句 ①引导目的状语从句.Bring it nearer that I may see it better.②引导结果状语从句.What have I done that he should be so angry with me?③引导原因状语从句.I am afraid that I will fail in the driving test.④引导让步状语从句.意为“虽然、尽管”.Difficult that/as the task was,they managed to accomplish it on time.⑤引导条件状语从句.意为“假使、假设”.Supposing that you were in my position,what would you do?On condition that you were lost in the desert,you should ask for help as soon as possible.