Unit 1 Science and Scientists Discover Useful Structures 课件(共27张PPT)人教版(2019)选择性必修第二册

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Unit 1 Science and Scientists Discover Useful Structures 课件(共27张PPT)人教版(2019)选择性必修第二册

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(共27张PPT)
表语从句
Predicative Clause
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① 理解: 表语从句的结构及意义
② 掌握: 表语从句的连接词及使用规则
③ 运用: 表语从句,去表达自己的想法
Learning Aims
You're insecure
Don't know what for
You're turning heads you walk through the door
Don't need make-up
to cover up
Being the way you are is enough
Everyone else in the room can see it
Everyone else but you
Baby you light up my world like nobody else
The way you flip your hair gets me overwhelmed
But you smile at the ground it ain't hard to tell
You don't know Oh oh
You don't know you're beautiful
If only you saw I can see
You'll understand I want you so desperately
Right now I'm looking at you and I can't believe
You don't know Oh oh
You don't know you're beautiful Oh oh
That's makes you beautiful
when
that
that
when
what
why
what
You're insecure
Don't know what for
You're turning heads when you walk through the door
Don't need make-up
to cover up
Being the way that you are is enough
Everyone else in the room can see it
Everyone else but you
Baby you light up my world like nobody else
The way that you flip your hair gets me overwhelmed
But when you smile at the ground it ain't hard to tell
You don't know Oh oh
You don't know you're beautiful
If only you saw what I can see
You'll understand why I want you so desperately
Right now I'm looking at you and I can't believe
You don't know Oh oh
You don't know you're beautiful Oh oh
That's what makes you beautiful
表语从句的定义
一、
It surprised all students.
That I won the first surprised all students.
Sth
句子做主语, 被称为主语从句
句子做表语, 被称为表语从句
One theory was that bad air caused the disease.
The truth was that the water from the Broad Street pump had been infected by waste.
1. 表语从句的定义
The definition of predicative clause
在主从复合句充当表语的从句叫表语从句
2.表语从句的判断
后的成分为表语。 后的从句为表语从句
系动词
系动词
表语从句的引导词
二、
The trouble is that I have lost his address.
The question is whether the film is worth seeing.
This is where I don’t agree with you.
That’s what makes you beautiful.
The first time we met each other was when we
studied in that school.
That is why he was late for class again.
That’s because I was too busy then.
He looks as if he has something to say.
1. 连接词that
1. My belief is ______________I will succeed by working hard.
that
Conclusion:
that在句中______( 充当/不充当)句子成分, ______(有/无)含义, ______(可/不可)省略.
不充当

不可
2. 连接代词: what(ever) 、who(ever)、whom(ever)、whose、which
1. You can be __________ you want to be.
2. The question is ____________ caused the accident.
3. What I want to know is_______university I should choose.
4. The most important thing is ____________ responsibility it is.
what(ever)、 who(ever)、whom(ever)、whose、which 在从句中作主语、宾语、表语、定语。
whoever
whose
what
which
3.连接副词: when、where、why、how
1. This is ____________I don't agree with you.
这就是我不同意你的地方。
2. The question is __________we can get in touch with him.
问题是我们怎样才能和他联系上。
3. That is _________ I got wet through.
那就是为什么我被淋湿了。
when、where、why、how引导表语从句,在从句中作状语,表示时间、地点、原因、方式。
where
how
why
4. whether (不能用if)
The problem is ___________we can find them there.
whether
whether _____(充当/不充当)句子成分,不可省,译为 “________”;在表语从句中不可用if 替换。
不充当
是否
What the doctors really doubt is ___________the infection disease can be brought under control.
whether
The question is if it is worthwhile to do it.
whether
单句改错。
5. as(照…方式), as if/as though(似乎/好像),because
引导的表语从句
It sounds ____________someone is knocking at the door.
Everything remained ______it used to be in this room.
Your English is not very good. That is _______ you only know very little vocabulary.
as if/though
because
as if/as though, because _____(充当/不充当)句子成分,不可省.
不充当
as
注意:as if/as though引导的表语从句如果是事实,就用陈述语气;如果与事实不符,就用虚拟语气。
It sounds as if someone ___ knocking at the door.
(与事实相符)
2. Tom likes to talk big as if he ______ an important person.
(对现在的虚拟,用一般过去时,be动词用were)
3. He opens his mouth as if he ________ say something./
as if to say something
(对将来的虚拟,用would/could/might+do)
4. He talked about Rome as if he ___________ there.
(对过去的虚拟,用had done)
is
were
would
had been
when
where
why
how
what(ever)
who(ever)
whom(ever)
whose
which…
that,
whether
as
as if/as though
because
小结
表语从句的注意事项
三、
表语从句和其他从句一样都用陈述语序:连主谓
连词+主语+谓语
表语从句的注意点
The grammar rulers of the predicative clause
That’s where ________ wrong. (are you/ you are)
那就是你不对的地方。
you are
2. This /That/ It is because... +_________“这/那是因为...”
This / That / It is why...+_______ “这/那就是...的原因。”
She got angry with me. That is ________ I didn’t phone her.
I didn’t phone her. That is _______ she got angry with me.
原因
结果
because
why
表语从句的注意点
The grammar rulers of the predicative clause
3. The reason why... is that.... “...的原因是...”
The reason is that... “原因是...”
The reason ________ she got angry with me is ________ I didn’t phone her.
The reason is ________ I didn’t phone her.
表语从句的注意点
The grammar rulers of the predicative clause
why
that
that
4. 表语从句中的【虚拟语气】
主语是表示“建议”“命令”“要求”的名词,表语从句应使用虚拟语气,即:(should) +动词原形
建议: suggestion, advice, proposal, idea
命令: order, command,
要求: request, requirement, demand
表语从句的注意点
The grammar rulers of the predicative clause
1. My proposal is that we ____________(start) early tomorrow.
2. My idea is that you _________________(recite) 20 English words every day.
3. My advice is that all students ____________(pay) more attention to English learning.
Examples
(should) recite
(should) pay
(should) start
Summary:
一、表语从句的定义
主语 + 系动词 + 引导词 + 简单句
二、引导词:
连词:that, whether, as, as if/though, because
连接代词:what(ever),who(ever),whom(ever)
whose, which…
连接副词:when, where, how, why
三、注意点:
3) The reason why... is that....
4)表语从句的虚拟语气。
1)陈述语序: 连主谓
2) This /That/ It is because...
This / That / It is why...
表语从句
1. The fact was  .
事实是他没有做真正的努力。
2. The question is .
问题是这部电影是否值得看。
3. she had known Millie for years.
看起来好像她认识米莉已有好多年了。
4. My advice is as often
as possible. 我的建议是你尽可能经常地练习说英语。
Complete the sentences.
that he didn't really try
whether the film is worth seeing
It seemed as though/if
that you (should) practice speaking English
5. That's .
那就是我第一次遇见她的地方。
6. The problem is .
问题是谁才真正适合做这份艰苦的工作。
7. That is .
那就是我想让你在这儿工作的原因。
8. I was late for school this morning.
last night.
今天早上我上学迟到了。那是因为我昨晚睡得太晚了。
where I first met her
who is really fit for the hard job
why I want you to work here
That's because I stayed up too late

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