人教版（2019）选择性必修第二册 Unit 1 Science and Scientists 表语从句课件(共29张PPT)

(共29张PPT)
选择性必修二 Unit 1
Predicative Clause
理解: 表语从句的结构及意义
掌握: 表语从句的连接词及使用规则
运用: 表语从句,去表达自己的想法
Learning Objectives
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It surprised all students.
That I won the first surprised all students.
Review what is subject clause
Sth
句子做主语, 被称为主语从句
Review subject clause
What Yuan really cared about was not money or celebrity.
That Yuan had realised his dream of seawater rice surprised the whole world.
It surprised the whole world that Yuan had realised his dream of developing seawater rice.
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.
Another was that cholera was caused by an infection from germs in food or water.
It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day.
The truth was that the water from the Broad Street pump had been infected by waste.
1. How to judge whether it is a predicative clause
主要依据：系动词后
The problem is difficult.
The problem is that he can not speak English.
Sth
系动词有哪些？
One theory was _______ bad air caused the disease.
Another was _______ cholera was caused by an infection from germs in food or water.
It seemed _______ the woman liked the water from the pump so much that she had it delivered to her house every day.
The truth was _______ the water from the Broad Street pump had been infected by waste.
2. How to choose correct conjunction (连接词)
主语从句和表语从句的【连接词】 类似
___________ she says will not make any difference to my decision.
The problem is ______ can handle the problem.
________ matters most is that he cares little for celebrity or money.
连接代词
who,what,which,whose,whom
whoever,whatever,whichever
主语
宾语
定语
连接代词在从句中______、 ______、______、_____。
表语
That is _________ I was born and grew up.
What matters most is ___________ you express your thoughts in an appropriate way.
I didn’t phone her, and that’s __________ she got angry with me.
I didn’t phone her, and that’s __________ I got angry with her.
连接副词
when,where,how,why
连接副词在从句中做状语。
连接词 不同点 共同点
that 没有意义 均不作句子成分
whether 是否，一般不用if替换 as if/as though 似乎，好像 because 因为 表语从句的【连接词】
_________ you could build up your vocabulary depends on your determination and insistence.
My suggestion is ________ you should build up your vocabulary.
Your English is not very good. That is _______ you only know very little vocabulary.
From your outstanding performance, I guess, it seems ____________(好像) your English improves a lot.
Practice
when
where
why
how
what/whatever
which/whichever
who/whoever
whom,whose...
that,whether
as if/as though
because
Summary
解题思路
先根据句意选择
不充当成分 that,whether, as if/though,because 连词
充当状语 when,where,why,how 连接副词
充当定语 whose,what,which 连接代词
充当主语，宾语，表语 其他 再分析“充不充当句子成分”
Matters need attention
01
1. 表语从句的【特殊句式】
The reason why.... is that.... “...的原因是...”
The reason is that... “原因是...”
The reason ________ I like English is ________ it brings me happiness.
The reason is ________ English brings me joy.
2. This /That/ It is because.... “这/那是因为...”
This / That / It is why... “这/那就是...的原因。”
because引导表语从句，从句表原因。
why引导表语从句，从句表结果。
I like English. That is ________ it brings me joy.
English brings me joy. That is _______ I like it.
2. 表语从句的【常见句式】
It seems/ appears that +句子 “似乎...”
It turns out /proves that +句子 “结果、原来...”
The chances are that +句子 “可能....”
It turns out/proves that she was a friend of my sister. 她原来是我姐姐的朋友。
The chances are that he will recover from his injury in time for the next game.
3. 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
My idea is that you _________________(recite) 50 English words every day.
My suggestion is that you _________________(build) up your vocabulary.
My order is that all students __________________(pay) more attention to English learning.
Examples
4. as if/as though引导表语从句的【两种语气】
1.若表陈述语气，就用陈述语气；
2.若与客观事实不符，就用虚拟语气；
若跟现在事实不符：过去式（be动词用were）
若跟过去事实不符：had done
若跟将来事实不符：would/could+动词原形
It seems as if it _________(be) spring already.
It seems as if I ________(be) flying in the sky.
All this was 20 years ago, but it is as if it ________(be)
only yesterday.
Examples
5. 表语从句用陈述语气，且连接词均不可省略。
It is a pity ______ you can't go with us.
This is _________ my father has taught me.
My suggestion is _______ we should read English words every day.
The question is _______ you could help me to solve the problem.
It sounds _______ someone is knocking at the door.
I am a little sleepy. That is __________ I stay up late.
Practice
_________ he wants is a book.
_________ he wants to go there is obvious.
___________ impressed me most was his committed determination.
__________ touched me most was her heart of gold.
_________ he wants to improve English is exciting.
__________ we need to do now is to improve English.
that or what
when
where
why
how
what/whatever
which/whichever
who/whoever
whom,whose...
that,whether
as if/as though
because
Summary
如何选引导词
先根据句意选择
不充当成分 that,whether, as if/though,because 连词
充当状语 when,where,why,how 连接副词
充当定语 whose,what,which
充当主语，宾语，表语 其他
再分析“充不充当句子成分”
Thank You !