高考英语复习指导:It作人称代词的用法

2017-05-23 07:06:43 来源:精品学习网

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  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)

  (责任编辑:郭峰)

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