2018年學(xué)位英語考試復(fù)習(xí)要點(diǎn)（3）

　　it 的用法

　　(1)it用作引詞(anticipatory)

　　·作形式主語，真實(shí)主語可為不定式，動名詞，主語從句

　　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.

　　·作形式賓語，真實(shí)賓語可謂不定式，動名詞，賓語從句

　　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用于強(qiáng)調(diào)結(jié)構(gòu)

　　結(jié)構(gòu)：It is (was)+被強(qiáng)調(diào)部分(主語、賓語或狀語)+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.(保持時(shí)態(tài)一致)

　　It was yesterday I first noticed it.