中考網(wǎng)整理了關(guān)于2021年中考英語知識(shí)點(diǎn)：it用作形式賓語的用法，希望對(duì)同學(xué)們有所幫助，僅供參考。

　　it 用作形式賓語的用法

　　1)當(dāng)不定式、動(dòng)名詞、從句等復(fù)雜成分用作賓語且后面跟有賓語補(bǔ)足語時(shí)，通常會(huì)在賓語補(bǔ)足語前使用it 作形式賓語，而將真正的賓語移至句末。其基本結(jié)構(gòu)為“動(dòng)詞+it+賓語補(bǔ)足語+不定式（動(dòng)名詞或從句）”

　　I find it difficult to do the job well.

　　I think it best that you should stay here.

　　We think it no use complaining.

　　2)用作形式賓語的幾個(gè)特殊結(jié)構(gòu)：

　�、賱�(dòng)詞+it+that-從句

　　I think it (that) he will come on time.

　�、趧�(dòng)詞+it+when(if)- 從句

　　We rally appreciate it when she offered to help.

　�、蹌�(dòng)詞+prep.+it+that-從句

　　I can’t answer for it that he will come.我不能保證他會(huì)來。

　�、軇�(dòng)詞+it+介詞短語+that-從句

　　I took it for granted that he would help us.

　　(5)it 在強(qiáng)調(diào)句中的用法。

　　強(qiáng)調(diào)句的基本結(jié)構(gòu)是： It+be+被強(qiáng)調(diào)部分+that(who)+其他部分。

　　It was a computer that he bought last week.

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