人教版英语必修3 Unit 2 Healthy eating Grammar表语从句课件 （共19张PPT）

(共19张PPT)
Unit3
Grammar
表语从句
That’s why we have given you the letter.
The chances are that we will be successfully admitted into a key university.
The reason why I am confident now is that I have been working hard for three years.
It looks as if it will rain heavily.
Predicative Clauses
表语从句
什么叫做表语？
He is a student.
The problem seems puzzling.
His job is to paint the walls.
Her job is taking care of the children.
表语是用来说明主语的身份、性质、品性、
特征和状态的，表语常由名词、形容词、副词、
介词短语、不定式、动词的-ing、从句来充当，
它常位于系动词（be, become, appear, seem
,look,sound,feel,get,smell等词）之后。
一、表语从句的定义：
表语从句放在连系动词之后，充当复合句中的表语。
The question is who will do it.
系动词
表语从句
连系动词：be动词，感官动词，变化类动词，持续类动词。。。
二、表语从句的构成：
（系动词）+ 引导词+简单句
What I want to say is that I am tired.
引导词
表语从句
主语从句
系动词
1．??引导表语从句的连接词有三类：
(1)?从属连词that、 whether ?：两者在从句中均不作成分，只起连接作用；that无实际意义，但不可以省略。whether表示“是否”，不能换成if。
e.g.
The question is whether he'll come here.

My idea is that we should leave here at once.
The problem is who can finish the task.

Shanghai is no longer what it used to be.
Shanghai is no longer a city _____ it used to be.
(2)???连接代词who,?whom,?whose,?what,?which等。在从句中作主语、宾语、表语、定语等成分,有自己的词义。
that
3)???连接副词?where,?when,?how,?why等。在从句中作时间、原因、地点、方式状语
等成分。
What I want to know is when he will be back.
That is why I like Li Bai so much.
The mystery is how the pyramids were built.
The mother’s question was ____ she
has no time to look after her daughter.

2.The question is _______that boy will
turn up in time.

3. Tom is no longer ____ he used to be .

4.That is______ I can’t agree with you.
无义
是否
….的样子
…的地方
whether
that
what
where
特殊用法:
1.because 引导的表语从句的结构.


2.as if / as though引导的表语从句常
在连系 动词look , seem, sound ,
be , become 后面.
My anger is because you havn’t finish
your homework.
It seemed as if it was going to rain.
3.使用虚拟语气的表语从句
在表示建议、劝告、命令等含义的名词后的表语从句，谓语动词需用“（should）+do” 。常见的词有：advice, suggestion, order, proposal等。
My suggestion is that we (should) start at once.
注 意：
在表语从句中，表“是否” 时，只能用 “whether”不能用“If”。
一般情况下，“that”不能省。
It is /was because ….
It is /was why….
3. The reason (why…/for…)is /was that….
4 The reason is because /why…
that ….
1. I think it is unnecessary for me to speak louder.
2. His mother is satisfied with he has done.
3. he was able to come made us happy.
4. This is makes us interested.

5. The reason was Tod had never seen the million pound note before.
what / that的区别
(that)
what
That
what
that
所引导的从句是否缺(主语, 表语,宾语) 汉语意义 能否省略
what 缺 什么; 所….的(东西/事情) 不能省略
that 不缺 无意义 引导宾语从句时可省略.
that/what的区别
1．_______your father wants to know is________ getting on with your studies.
A. What; how are you B. That；how you are
C. How；that you are D. What；how you are
2. The trouble is__________we are short of tools.
A. what B. that
C. how D. why that
3. America was __________was first called “India” by Columbus.
A. what B. where C. the place D. there where
1. The question is ________ we will have our sports meet next week.
A. that B. if C. when D. whether
2．The reason why he failed is ________he was too careless.
A. because B. that C. for D. because of
3. Go and get your coat from the table. It’ s ________you left it
where B. there
C. there where D. where there
4．The problem is _________to take the place of Ted
A. who can we get B. what we can get
C. who we can get D. that we can get
5. What I want to know is ______ he likes the gift given by us.
A. that B. if C. whether D.不填
6. The reason is_________I missed the bus.
A. that B. when C. why D. what
7. That is __ ___ we were late last time.
A. that B. when C. why D. what
8. She looked _________ she were ten years younger. 　A. that? B. like C. as??? D. as though
9.—I fell sick!
--I think it is _______ you are doing too much.
A. why B. when C. what D. because
10. The reason why he hasn’t come is ___________.
because his mother is ill
because of his mother’s being ill
C. that his mother is ill
D. for his mother is ill
11. —He was born here.
-- That is _______ he likes the place so much. A. that B. what C. why D. how 12.That is ______ Lu Xun once lived. A. what B. where C. that D. why