2023届高考专题复习it用法课件

高考专题复习 it 用法总结 1、it一般指无生命的物或动物 I have bought a chair. It is made of pine wood. 我买了一把椅子。它是松木做的。 I am taking the meat back to the shop because it isn’t good. 我要把肉退回店里，因为它不好了。 但可以指代婴儿，或不清楚对方性别 The baby is crying. It must be hungry. 婴儿在哭。它一定饿了。 I did not disturb the child because it was sleeping. 我没有打扰那孩子，因为他正在睡觉。 2、it指某件事（it指代的是什么，从上下文来判断） Take it easy. 不要紧张。 I'd rather not talk about it. 我不想多谈此事。 It is your affair, not mine. 这是你的事，不是我的事。 3、做主语，指代时间、日期、距离、天气等 it做非人称代词 It is snowing on the mountains. 山上正在下雪。 What time is it? It’s two-thirty. 几点了？现在是两点半。 It's been almost a week and she hasn't been coughing today. 快到一个星期了，她今天没咳嗽。 It was nearly dark and she was a good fifty miles from home. 天快黑了，她离家还有50英里远。 It’s only five-mile ride from here. 离这里只有五英里的路程。 4、形式主语 真正主语可能是动词不定式，动名词或主语从句，一般后置。 It is dangerous to play with fire. 玩火是危险的。 In all things, it is better to hope than to despair. 凡事抱希望为佳，不应悲观而失望。 4、形式主语 It is a great art to laugh at your own misfortune. 对己之不幸付之一笑，这是一门伟大的艺术。 It is no use crying over spilt milk. 覆水难收。 It's no use arguing with a drunk. 和酒鬼理论是没用的。 1. that从句。基本模式为： it＋系动词＋表语＋that从句。主要四种句型： 1）.it＋be＋形容词＋that从句。句型的形容词有： necessary clear，true， strange， important，wonderfulpossible，likely， obvious， surprising等。 （2）.It＋be＋名词（词组）＋that从句。常用于这种句型的名词（词组）有：fact， good idea， honour， shame， no wonder， good news等。 （3）.lt＋be＋过去分词＋that从句。常用于这种句型的过去分词有：said， reported ，hoped， believed expected等。 （4）.It + seems/happens/ appears/doesn't matter/makes no difference＋that从句。 备注：要体会that从句用陈述语气，还是虚拟语气。 2. what从句，what引导主语从句做形式主语。 如：It doesn’t matter what he says. 3. who从句，如：It is not clear who will attend to this matter. 4. how从句，如：It hit her how exciting the news was . 5. when从句，如：It hasn’t been made clear when the conference is to take place. 6. where从句，如：It doesn't matter too much to me where you go . 7. why从句，It was not clear why Tom was late for the meeting. 8. whether从句，如：It doesn’t interest me whether you succeed or not. .it作不定式的形式主语 基本模式为：it + be +