(II) It 的用法及强调句型 (II) It 的用法及强调句型 公主岭市范家屯一中 张晶性质功 能例 句代词用作人称代词，代替上文提到的人或事物
— Who is it
— It’s me
You've helped me a lot; I'll never forget it
性质功 能例 句代词用以代替指示代词this 或that
— What’s this
— It’s a computer ．— Whose book is that
— It's hers ． 性质功 能例 句代词表示时间、天气、距离、价钱等
It’s time for lunch ．It’s raining hard ．It’s two miles from the school to our home ．引导词作形式主语 , 代替由不定式、动名词或从句等表示的真正主语
It is easy to buy a new radio
It is no use telling him that
It doesn't matter whether she comes or not
引导词作形式宾语 , 代替由不定式、动名词或从句等表示的真正宾语
I feel it my duty to help him
We thought it no use doing that
I’ve made it clear that nobody is allowed to smoke here
引导词表示强调 , 其结构是 : It is/was+ 强调部分 + that+ 原句剩余部分
此结构只限于强调状语、主语和宾语
注意：①如果强调的是人 , 其后用 that 或 who 均可 ; ② 如果强调的是物、时间或地点等状语 , 其后只能用 that 不
