三、it作形式宾语
　　it 作形式宾语，代表其后所说的真正的宾语。真正的宾语是以that 引导的名词性从句或不定式短语。例如：
　　I consider it wrong that you Chinese students learn English without comparing it with your own language.
　　我认为你们中国学生学习英语，不和你们自己的语言比较是不对的。
　　I find it not so difficult to learn a foreign language.
　　我发现学习一门外语不那么困难。
　　I remember I made it clear to you that I was not coming.
　　我记得向你明确表示过我不来。
　　They want to make it clear to the public that they are doing an important and necessary job.
　　他们要向公众表明，他们在做一件重要而又必要的工作。
　　四、it 用于强调结构
　　在表示强调的结构中，it 可用作先行代词，这种结构的句型如下：It +is/was +被强调的部分+that +其他部分。如果强调的部分是人，可用who, whom 代替that.
　　例如：
　　Professor Wang teaches us English every Monday afternoon.
　　王教授每星期一下午教我们英语。
　　强调主语：It is Professor Wang who teaches us English every Monday afternoon.
　　强调间接宾语：It is us whom Prof. Wang teaches English every Monday afternoon.
　　强调直接宾语：It is English that Prof. Wang teaches us every Monday afternoon.
　　强调状语：It is every Monday afternoon that Prof. Wang teaches us English.
　　It was here that I first met him. 这就是我初次与他见面的地方。
　　(强调状语)
　　It is the people who are realy powerful.
　　翻译练习
　　1)该上课了，快。
　　It is time for class. Hurry up.
　　2)从这儿到你们学校远吗??不远，大约一公里。
　　Is it far from here to your school? ?No, it isn’t. It’s about a kilometer.
　　3)从我家到颐和园去很近。
　　It is very near from my home to the Summer Palace.
　　4)(天)正在下雨。
　　It’s raining now.
　　5)电灯是爱迪生发明的。
　　It was Edison who invented the electric light.
　　6)我认为学习一门外语是很重要的。
　　I think it important to learn a foreign language.