2023届高考英语语法专项：it 用法小结讲义

。 It’s a good habit to do morning exercises. 作早操是个好习惯。 It’s important to do proper memory work in the study of a foreign language. 在学习外语时适当地做一些有助于记忆的练习是很重要的。 It is right to do so. 这样做是对的。 2.It+谓语+动名词短语。It 作形式主语,动名词短语作真正的主语。 例如: It is dangerous playing with fire. 玩火是危险的。 It is no use learning without thinking. 学而不思则罔。 It’s useless arguing with a silly boy. 和笨孩子争论是没有用的。 3.It +谓语+名词性从句。It 作形式主语,以that 引导的名词性从句是真正的主语。 例如: It is a pity that you didn’t see such a good film. 你没看这么好的电影,真可惜。 It is certain that we shall succeed. 我们一定会成功。 It is strange that nobody knows where he lives. 真奇怪,谁也不知道他住在哪里。 (It is strange that…后面可用虚拟语气。 如:It is strange that he should have made such a mistake. 他居然犯了这样一个错误,真奇怪。 It is strange that nobody should know where he lives. 居然没有人知道他住在哪里,真奇怪。) It is said that the plane will take off at ten tomorrow morning. 据说飞机明天上午十点起飞。 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