名词性从句第一讲 教案
展开课题内容：名词性从句（1）
1.名词性从句包括哪几类从句？
连接词有何共性？
2.名词性从句的其它情况
A.同位语从句的后置
B.it作形式主语和形式宾语
名词性从句
(1) Warming-up:从句回顾
* I will leave when you come back tonight.
* He said that he was tired.
* What he said at the meeting is true.
* This is what he said at the meeting.
* The news that our team had won made us happy.
* Mr. Green, our English teacher, will come tonight.
*This is the news that he told me yesterday.
- 名词性从句包括哪几类从句？ 连接词如何确定？
Discussion： --- 宾语从句
* He said _______he would help us. ( He said, “I will help you.” )
* I asked __________he could help us. ( I asked him , “ Will you help us? )
* I asked _________he was doing. ( I asked him ,” What are you doing?”)
* I asked _________we could do it. ( I asked him, “How can we do it?”)
主语从句（常用It作形式主语）
*________ he had come made us happy. = It made us happy _______ he had come.
* _____________ he will come is still a question. = It’s still a question _________ he will come.
表语从句
* This is just _______ I want.
* The question is _________ it is worth doing.
* This is ____________ she did it.
* This is __________ she was late.
* This is __________ she lives.
*The reason why he was late is _____ his mother was ill.
同位语从句
判断：定语从句/ 同位语从句
*The news that our team had won made us happy.
* The news that he had told me made us happy.
* The promise that he made yesterday is important for me.
* He made a promise that he would come the next day.
* He has a question _________ this is the best time for an operation.
结论：(为什么统称为名词性从句？）
4类从句连接词有共性：
根据从句的含义确定(陈述/疑问；确定/不确定）
陈述（确定） --- that (无词意；宾从可省）
一般疑问(不确定)--- whether(“是否 ”；宾从可用if)
特殊疑问(不确定)--- what, where, when, why, how,..
区别定语从句和同位语从句
定从 名从
共同
不同 连接词作成分， 连接词不作成分
根据成分确定； 先行词=从句(说明)
连接词根据含义确定
比较 * The news _______ our team had won made us happy.
* The news __________he had told me made us happy.
- 名词性从句的其它情况
- 同位语从句的后置
* Stories spread quickly among his friends ______Tom had lived on a desert island for over five months.
* Word came _______ the ship will set off the next morning.
- it 作形式主语/宾语
* We think it important that drinking water must be clean.
* It’s not known yet who will come tonight.
It作形式主语常用句型:
* It is certain / clear /obvious ________
* It is important / necessary _______
* It is said / reported _________
* It is well-known _________
* It’s not known yet __________
* It is still a question ________
* It hasn’t been decided yet _________
