人教版（2019）选择性必修第二册Unit 1 Science and Scientists Grammar Predicative clauses（共24张ppt）
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| 名称 | 人教版（2019）选择性必修第二册Unit 1 Science and Scientists Grammar Predicative clauses（共24张ppt） |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2021-10-26 19:14:21 | ||
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(共24张PPT)
Predicative Clauses
The person stood in front of you just now is headmaster.
The door remained closed.
My job is to teach you English.
The reason why he came late was that his clock didn’t work.
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、代词、数词、动词过去分词、动词的-ing形式、副词、介词短语、形容词、不定式和从句等来充当。
What is the predicative？
表语从句的定义
The question is who will do it.
The question is difficult.
（ 表 ）
表语从句
（ 表 ）
在复合句中做表语的从句，叫做表语从句。它位于主句的系动词之后，对主语进行解释说明，使主语的内容具体化。
2. 表语从句的构成
主语 + 系动词 + 引导词 + 简单句
This is why he did it.
What I want to say is that I am tired.
表语从句
可以接表语从句的系动词有：
1. 状态系动词：be
2. 感官系动词：feel , seem , look, appear ,sound, taste , smell
3. 持续系动词：stand , lie , remain ,keep, stay
4. 变化系动词：become ,get , grow , turn , go , come, run, fall
5. 终止系动词：prove, turn out
是
......起来
保持
变得
证明是......
结果是......
她似乎是为了变得好看才保持身材的。
3. 引导词
从属连词：that / whether /as if /as though (if不引导表语从句)
连接代词：who / whom / whose / which/ what
连接副词：when / where / why / how
that 在从句中仅起连接作用，无实际意义，在句
中不作任何成分，不能省略。
（1）that
My opinion is that it’s getting better and better.
（2）whether
1. The question is ______________________
2. The question is _______________________
whether it is worth doing.
whether we can win them.
whether 在句子中不充当任何成分，但具有“是否”的意义。注意：if不能引导表语从句
as if / though引导表语从句时，在句子中不充当任何成分，但有意义。译为：似乎，好像。
He looks as if he were a rich man.
It sounds as if someone is knocking at the door.
（3）as if/through
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(主句一般现在时，从句就用一般过去时。主句是一般过去时，从句用过去完成时 )。
The young man with long hair looks as if he were a girl.
Dark clouds are gathering. It looks as if it’s going to rain.
(4) what 在表语从句中充当____________________ 表示_____________________________________.
The question is what caused the accident.
That mountain is no longer what it used to be .
What he told you was what had been discussed at the meeting.
主语、宾语或表语
什么，什么样子，或所…的（人或事）
(5)who 在表语从句中充当______________表示____.
1. The problem is who could do the work
2. My trouble is who (whom) I can turn to.
3. Could you tell me who he is
主语、宾语或表语
谁
(6) which 在引导表语从句时,常充当___________
表示 。
I read about it in some book or another,but what I don’t know is which (book) it is.
定语,表语
哪一个,哪一些
(7)where, when, why, how除在句中起连接作用外，在从句中还充当时间、地点、方式、原因状语，本身具有词义。
The question is how he did it.
That is where he was born.
问题是他如何做此事的。
那就是他出生的地方。
This is why she was late for the meeting.
这就是她会议迟到的原因。
(强调原因）
（强调结果）
That/It is /was why…… 那是……的原因
That/It / is/ was because …… 那是因为……
主语一般不用reason
He was ill. That’s because he was sent to the hospital.
He was ill. That’s why he was sent to the hospital.
注意：
4. 使用虚拟语气的表语从句
在表示建议、劝告、命令含义的名词后的表语从句，谓语动词需用“should+动词原形” 表示，should可省略。常见的词有：advice, suggestion, order, proposal等。
My suggestion is that we (should) start early tomorrow.
小结：
1. 表语从句的构成:
引导词+简单句
2. 引导词:
｛
连词：that, whether, as ,as if
连接代词：who, what, which
连接副词：when, where, how ,why
3. 3个注意点:
②if 不引导表语从句
③主语为reason时，引导词用that
④语序
①that引导表语从句时不能省略
1.The reason why he failed is ________he was too careless.
A. because B. that C. for D. because of
2.This is ___ Sara was late for the meeting.
A. why B. what C. how D. That
3. The reason is ___ he is unable to operate the machine.
A. because B. why C. that D. Whether
B
C
A
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.
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’s ___ the Party called on us to do.
A. why B. what C. how D. that
8. The reason is ___ he is unable to operate the machine.
A. because B. why C. that D. Whether
9 .That is ___ they separated.
A. that B. what C. which D. where
10.Jane is no longer ___ she was four years ago.
A. what B. which C. that D. when
as if that what who when
how why whose which whether
A: Absolutely ! You may not believe it, but that was _________ happened
at the initial stage of our group's research on developing a vaccine for
malaria.
B: Yes, it is. And it seemed _________ all the theories were useful, but the
fact was _________ we couldn't persuade one another that one theory
was better than another.
C: Exactly The problem was not about _________ all our theories were
equally good, but in deciding _________ theory to depend upon.
D: We realised that what we cared about was not_________ aspect we needed to develop a theory in , but rather
_____________we can reduce the cost of a vaccine without reducing its effect!
E: You’re right. At last, we became focused on the key issue, which was__________ we had to carry out the reseach in the first place.
what
as if
that
whether
whose
which
how
why
III.完成句子1)The fact was _____________________________.事实是他没有做真正的尝试。2) The question is ____________________________.问题是这部电影是否值得看。3) Now _______________she had known Millie for years.现在看起来好像她认识米莉已有好多年了。
4) My advice is that you_______________________as often as possible. 我的建议是你要尽可能经常地联系说英语。
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。
that he didn’t really try
whether the film is worth seeing
it seems as if
practice speaking English
where I first met her
who is really fit for the hard job
Thank you!
Predicative Clauses
The person stood in front of you just now is headmaster.
The door remained closed.
My job is to teach you English.
The reason why he came late was that his clock didn’t work.
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、代词、数词、动词过去分词、动词的-ing形式、副词、介词短语、形容词、不定式和从句等来充当。
What is the predicative？
表语从句的定义
The question is who will do it.
The question is difficult.
（ 表 ）
表语从句
（ 表 ）
在复合句中做表语的从句，叫做表语从句。它位于主句的系动词之后，对主语进行解释说明，使主语的内容具体化。
2. 表语从句的构成
主语 + 系动词 + 引导词 + 简单句
This is why he did it.
What I want to say is that I am tired.
表语从句
可以接表语从句的系动词有：
1. 状态系动词：be
2. 感官系动词：feel , seem , look, appear ,sound, taste , smell
3. 持续系动词：stand , lie , remain ,keep, stay
4. 变化系动词：become ,get , grow , turn , go , come, run, fall
5. 终止系动词：prove, turn out
是
......起来
保持
变得
证明是......
结果是......
她似乎是为了变得好看才保持身材的。
3. 引导词
从属连词：that / whether /as if /as though (if不引导表语从句)
连接代词：who / whom / whose / which/ what
连接副词：when / where / why / how
that 在从句中仅起连接作用，无实际意义，在句
中不作任何成分，不能省略。
（1）that
My opinion is that it’s getting better and better.
（2）whether
1. The question is ______________________
2. The question is _______________________
whether it is worth doing.
whether we can win them.
whether 在句子中不充当任何成分，但具有“是否”的意义。注意：if不能引导表语从句
as if / though引导表语从句时，在句子中不充当任何成分，但有意义。译为：似乎，好像。
He looks as if he were a rich man.
It sounds as if someone is knocking at the door.
（3）as if/through
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(主句一般现在时，从句就用一般过去时。主句是一般过去时，从句用过去完成时 )。
The young man with long hair looks as if he were a girl.
Dark clouds are gathering. It looks as if it’s going to rain.
(4) what 在表语从句中充当____________________ 表示_____________________________________.
The question is what caused the accident.
That mountain is no longer what it used to be .
What he told you was what had been discussed at the meeting.
主语、宾语或表语
什么，什么样子，或所…的（人或事）
(5)who 在表语从句中充当______________表示____.
1. The problem is who could do the work
2. My trouble is who (whom) I can turn to.
3. Could you tell me who he is
主语、宾语或表语
谁
(6) which 在引导表语从句时,常充当___________
表示 。
I read about it in some book or another,but what I don’t know is which (book) it is.
定语,表语
哪一个,哪一些
(7)where, when, why, how除在句中起连接作用外，在从句中还充当时间、地点、方式、原因状语，本身具有词义。
The question is how he did it.
That is where he was born.
问题是他如何做此事的。
那就是他出生的地方。
This is why she was late for the meeting.
这就是她会议迟到的原因。
(强调原因）
（强调结果）
That/It is /was why…… 那是……的原因
That/It / is/ was because …… 那是因为……
主语一般不用reason
He was ill. That’s because he was sent to the hospital.
He was ill. That’s why he was sent to the hospital.
注意：
4. 使用虚拟语气的表语从句
在表示建议、劝告、命令含义的名词后的表语从句，谓语动词需用“should+动词原形” 表示，should可省略。常见的词有：advice, suggestion, order, proposal等。
My suggestion is that we (should) start early tomorrow.
小结：
1. 表语从句的构成:
引导词+简单句
2. 引导词:
｛
连词：that, whether, as ,as if
连接代词：who, what, which
连接副词：when, where, how ,why
3. 3个注意点:
②if 不引导表语从句
③主语为reason时，引导词用that
④语序
①that引导表语从句时不能省略
1.The reason why he failed is ________he was too careless.
A. because B. that C. for D. because of
2.This is ___ Sara was late for the meeting.
A. why B. what C. how D. That
3. The reason is ___ he is unable to operate the machine.
A. because B. why C. that D. Whether
B
C
A
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.
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’s ___ the Party called on us to do.
A. why B. what C. how D. that
8. The reason is ___ he is unable to operate the machine.
A. because B. why C. that D. Whether
9 .That is ___ they separated.
A. that B. what C. which D. where
10.Jane is no longer ___ she was four years ago.
A. what B. which C. that D. when
as if that what who when
how why whose which whether
A: Absolutely ! You may not believe it, but that was _________ happened
at the initial stage of our group's research on developing a vaccine for
malaria.
B: Yes, it is. And it seemed _________ all the theories were useful, but the
fact was _________ we couldn't persuade one another that one theory
was better than another.
C: Exactly The problem was not about _________ all our theories were
equally good, but in deciding _________ theory to depend upon.
D: We realised that what we cared about was not_________ aspect we needed to develop a theory in , but rather
_____________we can reduce the cost of a vaccine without reducing its effect!
E: You’re right. At last, we became focused on the key issue, which was__________ we had to carry out the reseach in the first place.
what
as if
that
whether
whose
which
how
why
III.完成句子1)The fact was _____________________________.事实是他没有做真正的尝试。2) The question is ____________________________.问题是这部电影是否值得看。3) Now _______________she had known Millie for years.现在看起来好像她认识米莉已有好多年了。
4) My advice is that you_______________________as often as possible. 我的建议是你要尽可能经常地联系说英语。
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。
that he didn’t really try
whether the film is worth seeing
it seems as if
practice speaking English
where I first met her
who is really fit for the hard job
Thank you!