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1、名词性从句（noun clauses）教学目标：掌握名词性从句的四大类型以及它们的用法，并能判断出练习中的句子属于什么从句类型，会做一些简单的练习。教学重点：1. 主语从句，宾语从句，表语从句，同位语从句，让学生能快速判断出一个句子属于什么类型的从句。2. 注意宾语从句的时态呼应。教学难点：1. that什么情况下可以省略，什么情况下不可以省略。2. whether 和if 什么时候可以互换，什么时候不可以互换。3. 如何区分同位语从句与定语从句。教学过程：Leadin: exercises1._ the baby could speak made his parents very happy
2、.A. That B. What C. Why D. If2. I wonder _ you will go shopping or stay at home.A. that B. if C. whether D. what3. This is _ he was often late for school.A. what B. that C. why D. whether4. We all know the truth _ the earth _ around the sun.A. if; moved B. that; moves C. why; move D. whether; move完成
3、以上四个题目，并分别指出它们是什么从句，从而导出名词性从句的学习。一名词性从句的概念： 一个句子在连接词的引导下，在句子中起名词作用的句子叫名词性从句。二名词性从句的功能： 相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等。His job is important. (主语)What he does is important. (主语从句) This is his job. (表语)This is what he does every day. (表语从句)I dont like his job. (宾语) I dont like what he does every
4、day. (宾语从句) I dont know about the man, Mr. White. (同位语)I dont know about the fact that he is a teacher. (同位语从句)得出结论：因此根据它在句中不同的语法功能，名词从句又可分为四类，即：主语从句、宾语从句、表语从句和同位语从句。三引导名词性从句的连接词：1、连接代词：who, whoever, whose, whom, whomever, what, which。有词义，在从句中担任成分，如主语、表语、宾语、或定语等。l I dont believe _ he has achieved so
5、 far.l _ breaks the law should be punished.2、连接副词：when, where, why, how。有词义，在从句中担任成分，作状语。l _ we will hand in the project will be discussed later.l Parents are thought to understand _ important education is to their childrens future.l The reason _ he was absent was that he was ill.3、连接词：that, whether
6、, if, as if, as though。that 无词义，在从句中不担任成分，有时可省略；if (whether), as if虽有词义，但在从句中不担任成分。l I dont care about _ you have money or not.l The problem is _ Tom is able to arrive on time.l _ the meeting will be held here is not decided yet. l It looks _ it is going to rain.l The truth is _he didnt come for the
7、 concert.l _ the earth is round is true.四名词性从句的类型：1. 主语从句：在复合句中作主句的主语。连接词有that, whether; who, what ,which; when ,where, how, why 等。 如:l _ he is a famous singer is known to us.l _ he will go to America is not yet fixed.l _ shes coming or not doesnt matter too much. l _ broke the glass yesterday is no
8、t clear.注意：1. 为避免主语冗长,句子头重脚轻, 经常用it作形式主语, 主语从句放在后面作真正的主语。记住以下it作形式主语的句型：Its likely / possible / important / necessary / clear that很可能 / 重要的是 / 必要的是 / 很清楚Its said / reported that据说/据报道It seems / appears / happens that显然、明显、碰巧Its been announced / declared that已经通知/宣布Its no wonder that并不奇怪/无疑Its a pity
9、/a fact /a common knowledge (众所周知）/ a common saying（俗话说）thatl It worried her a bit _ her hair was turning grey.A. while B. that C. if D. forl It remains a question _ we can get so much money in such a short time.A. how B. that C. when D. whatl It is known to us _ where there is pollution, there is h
10、arm.A. which B. where C. what D. that2. 单个的主语从句作主语时， 谓语动词用句单数形式；如果是两个或两个以上的主语作主语，谓语动词则视情况而定。When and where he was born hasnt been found.When he was born and where he was born havent been found.When and why the person was murdered is still unknown.When the person was murdered and why he was murdered
11、are still unknown.Exercises:l ._ makes this shop different is that it offers more personal services.A. What B. Who C. Whatever D. Whoeverl _I can pay back the help that people give me makes me very happy.A. Where B. What C. That D. Howl Its not clear _ was responsible for the accident.A. Who B. What
12、 C. How D. Thatl _ in the regulations that you should not tell other people the password of your e-mail account. A. What is required B. What requires C. It is required D. It requires2. 表语从句：在复合句中作主句的表语。引导词有连词that , whether, as if, as though; who, what, which, whose; when, where, how, why, because 等。
13、如:l The problem is _ we didnt get in touch with him.l This is _ Henry solved the problem. l His suggestion is _ we (should) finish the work at once.l It looked _ it was going to rain.l The reason _ we didnt trust him is _ he has often lied注意：1. 如果句子的主语是suggestion, advice, order, demand, proposal等名词时,后面引导的表语从句用should+动词原形,should可省略。他的建议是我们应该马上完成工作. His suggestion is that we (should) finish the work at once.2. The reason why .is that 的理由是， 的原因是The reason _ he was late again was _ he was c
