BOOK 3 Unit 4 Subject Clause 教案
BOOK 3 Unit 4 Subject Clause 教案
汉川高中 张丽桃 2017.3.21
Teaching aims
To learn about noun clauses as the s
To discover and learn to use some useful structures
Important and difficult points
1. Lead students to know the structure of subject clause
2. Help students manage the use of subject clause by multiple choices and translation
Procedure
Step 1 Lead in
Point out the subject of each sentence.
1.Who will go makes no difference.
2.Which is the best is not certain.
3.Why dinosaurs died out is still unknown.
4.When we will get together has not been decided.
5.How she can keep healthy is a secret.
6.Whether he will come is not very important.
7. That he will succeed is certain.
8. What we need is more time
Step 2 Introduction
如果一个句子在复合句中充当一个主语, 那么这个句子就是主语从句。
T
Wh
Whom we must study for is a question
of great importance.
连接词
1） that, whether
2） who, what, which, when, where, why, how
3） whoever, whatever, whichever
小结 1.引导主语从句连词有that, whether, who, what, whatever 等。
2. 连词that, whether在从句中不担任任何成分，但不能省略。
3. 主语从句大多数情况下视为第三人称单数, 但
What we need are useful books.
Step 3 it形式主语
为了防止句子头重脚轻，通常把形式主语it 放在主语位置，真正主语后置。
1. It is certain that he will win the match.[来源:学+科+网Z+X+X+K]
2. It is true that he has made a very important discovery in chemistry.
3. It is still a mystery what caused the accident.
……
用it 作形式主语的结构
(1) It is ＋ 名词 ＋ 从句
It is a fact that … 事实是…
It is an honor that …非常荣幸
It is common knowledge that …是常识
(2) It is ＋ 形容词 ＋ 从句
It is
It is strange that… 奇怪的是…
(3) It is ＋ 不及物动词 ＋ 从句
It seems that… 似乎…
It happened that… 碰巧…
It appears that… 似乎…
(4) It ＋ 过去分词 ＋ 从句
It is reported that… 据报道…
It has been proved that… 已
It is said that… 据说…
小结1.以that 引出的主语从句,常以形式主语it引导, 结构为: It is +形容词/名词/某些动词ed + that 从句。
2. 在有些that从句中要用虚拟语气
(should +do/should +have done)。
It is necessary that we (should）have a walk now.
It is my proposal that he be sent to study further abroad．
我建议派他去国外进一步学习。
3. 主语从句不可位于句首的几种情况：
（1）It is said /reported…结构中的主语从句不可提前。例如：
It is said that President Jiang will vi
That President Jiang will visit our school next week is said.
（2）It happens/occurs…结构中的主语从句不可提前。例如：
It occurre
That he failed in the examination occurred to him.
（3）It doesn’t matter how/whether …结构中的主语从句不可提前。例如：
It doesn’t matter whether he is wrong or not.
Whether he is wrong or not doesn’t matter.
（4）含主语从句的复合句是疑问句时，主语从句不可提前。例如：
Is it likely that it will rain in the evening? [来源:学科网ZXXK]
Is that will rain in the evening likely?
Step4. whether与if
whether与if均为“是否”, 但
1. 引导主语从句
Wheth
2. 引导表语从句
The questio
3. whether 从句作介词宾语
I’m not sure about whether we’ll win.
4. 引导让步状语从句时
Whether you like it or not, you’ll have to do it.
Focus
1. 主语从句
2. Whether 引导主语从句时不能用if代替。
3. Who, which, how, when, where, why所引导的主语从句，可以用it形式主语引导。
4. whoever, whatever, whichever等引导的主语从句，不能用it引导。
Step4.Exercise (correction & translation)
Do some exercises and translate some sentences into English
1.Where shall we spend the holiday isn’t decided.
2.Your have made a mistake is a fact.
3.That is certain that we can win.
4.No matter who leaves the room last ought to turn off the lights
5.It is important that a student learns a foreign language
1.他是不是我的孩子仍然是个问题。
2.我需要的就是休息。
3.据认为“屌丝”这个词反映了社会问题。
4.杜拉拉如何成功取决于她的勤奋。
5.这个男孩所做的事让老师很生气。
6.任何见到这个女孩的人都被她吸引。
7.雨天要穿雨鞋（rain shoes）是常识。
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