2018年学位英语考试复习要点(3)
it 的用法
(1)it用作引词(anticipatory)
·作形式主语,真实主语可为不定式,动名词,主语从句
e.g. It was his duty to attend to the matters.
It’s no use saying any more about what I think.
It seems that he is rich.
·作形式宾语,真实宾语可谓不定式,动名词,宾语从句
e.g. I find it easy enough to get on with Pam.
You must find it exciting working here.
I think it best that you should stay here.
(2)it用于强调结构
结构:It is (was)+被强调部分(主语、宾语或状语)+who(that)……
e.g. It was his best suit that John wore to the dance last night.
It was my two sisters who knew her best.(保持时态一致)
It was yesterday I first noticed it.
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