2014高考英语语法总结:It的用法(一)

所属专题:2014年高考考后特别策划  来源:    要点:高考英语语法  
编辑点评: 2014年的高考即将到来,小编也想为广大考生出一份力。为大家整理出了2014高考英语语法总结,希望能帮到大家!本章节的内容为It用法的精讲,快来看看吧!

It用法及其句型和固定搭配,是高中英语语法的重点、难点,又是高考英语的热点,因此应给予充分的重视,现将it用法归纳如下:

一、作人称代词

1、it代替前面(或后面)的单数名词或分句等所表示的事物。

e.g. You cannot eat your cake but have it.(it代替前面的cake)Although we cannot see it, there is air all around us. (it代替后面的air)They say he has left town, but I don’t believe it. (it代替前面They…town分句中的情况)

2、代替有生命但不能或不必分阴阳性的东西(包括婴儿)。

e.g. Yesterday we saw a big tree. It was fully twenty metres high. (it代替前面的tree)The baby cried because it was hungry. (it代替前面的baby)

3、在某些习惯说法中,可以代替人。

e.g. -- Someone is knocking at the door, Peter. -- Who is it? -- It’s me.

-- Who are singing? -- It is the children.

-- The light is still on in the lab. It must be the third-year students doing the experiment.

4、it与one的区别:这两个词都可以代表前面说过的名词,但it用于同名同物的场合;one则用于同名异物的场合。

e.g. -- Do you still have the bicycle? -- No, I have sold it.

-- Is this knife yours? -- No. It is Xiao Zhang’s. Mine is the one on the desk.

5、it与that的区别:两词都可代替某一特定名词,但that指同一类,并非同一个。

e.g. The climate of South China is mild(温和的); I like it very much.(it指the climate of South China)The climate of South China is much better than that of Japan.(that指the climate)

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