2026届高考英语二轮复习:表语从句课件(共24张PPT)

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名称 2026届高考英语二轮复习:表语从句课件(共24张PPT)
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更新时间 2025-06-24 12:36:57

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(共24张PPT)
Predicative Clause
表语从句
She is a police officer.



Police officer is what she wants to be.



表语从句
定义:在复合句中,由一个句子充当表语,这个句子就是表语从句。
定义
什么是表语?
She is an policer officer.
The rabbit is cute.
(等同性描述)
(形容性描述)
表语是对主语的状态进行描述,说明主语的性质或特征。
表语从句:系动词后的从句。
That’s where I sleep.
The problem is how we can finish the work on time.
That’s what I want to tell you.
The trouble is whether we can hold the sports meeting tomorrow.
那就是我睡觉的地方。
问题是我们怎样才能按时完成工作。
那就是我想告诉你的事情。
问题是我们明天是否可以开运动会。
请找出表语从句。
School is where we learn knowledge.
I wonder why he didn’t come yesterday.
That you like it matters to me.
That’s where I come from.
Friends are people who can share happiness and sorrow with.
(表语从句)
(表语从句)
主 + 系 + 表
系动词起到连接主语和表语的作用。
系动词后面的从句是表语从句,那常见的系动词有哪些呢?
主语
表语
常见的系动词
状态系动词
感官系动词
表像系动词
变化系动词
持续系动词
终止系动词
系动词
表主语状态
表人的感官动作
表看起来像
表主语的变化
表主语继续做或保持某一状态
表终止、停止
am, is, are, was, were
look,feel,sound,taste,smell
seem,appear
become,get,grow,go,turn
keep, remain,stay,stand
prove, turn out
连接词
从属连词
连接代词
连接副词
that
whether
as if/though
because
who
whom
what
which
whose
when
where
why
how
whatever
whoever
whichever
...
that
The problem is that you’re driving fast.
The fact is that he had forgotten about it.
The doctor’s suggestion is that he should have more rest.
问题是你开车的速度太快了。
事实是他已经忘记了这件事。
医生的建议是他应该多休息。
that无词义,不充当成分,仅起连接作用,不能省。
whether
The problem is whether he can control his appetite.
问题是他是否能控制自己的食欲。
My doubt is whether the place is worth visiting.
我的疑问是这个地方是否值得参观。
whether意为“是否”,不充当成分,if不能引导
表语从句。
关系代词:who,whom,whose,which,what,whoever,whatever,whichever...
You are no longer what you used to be.(表语)
你不再是以前那个你。
The problem is who is going to replace her.(主语)
问题是谁来代替她。
What I want to know is whose bag it is.(定语)
我想知道这是谁的包。
关系代词充当主语,宾语,表语,定语等成分,本身有词义。
疑问副词:where, why, how, when
That’s why he was late.(原因状语)
那就是他迟到的原因。
The problem is how we can find him.(方式状语)
问题是我们怎样才能找到他。
This is where I was born.(地点状语)
这就是我出生的地方。
关系副词在句子中充当状语,有词义。
Exercise
用适当的关系词填空。
1.This is_______I want.
2.Next Sunday is________we shall meet.
3.This is________I didn’t come.
4.My problem is_______wallet it belongs to.
5.China is no longer________it used to be.
6.The question is_______we can live.
7.The problem is________he did it.
what
when
why
whose
what
where
how
as if/though 似乎;好像
It looks as if it is going to rain.
看起来好像要下雨了。
It sounds as though someone is knocking at the door.
听起来好像有人在敲门。
as if/though意为“好像,似乎”,不充当成分,常用在感官动词sound,look等后面。
because 因为
---She looks very friendly.
---That’s because she pretended to be.
她看起来很友好。
那是因为她假装的。
because引导的表语从句常用句型:
It is(was) because...
This is(was)because...
That is(was) because...
特殊句式
The reason why...is that... “...的原因是因为...”
(主语是reason时只能用that引导)
The reason why she was angry is that he made fun of her.
The reason why she was angry is because he made fun of her.
她生气的原因是因为他取笑她。
特殊句式
It/This/That is because+原因
It/This/That is why+结果
I’m fat.
It is because I eat too much junk food.(胖的原因)
这是因为我吃了太多垃圾食品。
That is why I am fat. (胖是最终的结果)
那就是为什么我很胖。
特别注意的事项
01.表语从句里的虚拟语气
02.表语从句用陈述语序
03.as if/though引导的表语从句
表语从句的虚拟语气
My suggestion is that we (should) tell the truth.
我的建议是我们应该说出真相。
The doctor’s advice is that he (should) give up smoking.
医生的建议是他应该戒烟。
如果主语是表示建议、命令、要求等,表语从句要用“(should)+do”的虚拟语气。
request要求,requirement要求,suggestion建议,
advice建议,proposal建议,order命令...
The problem is when we can arrive.
The problem is when can we arrive.
That’s why was he late.
That’s why he was late.
表语从句用陈述语序
as if/though引导的表语从句
It looks as if it is going to rain.
She looks as if she were eighteen.
看起来好像要下雨了。
她看起来好像十八岁。
(真实的,很有可能发生的)
(假设的,不可能发生,虚拟)
as if引导的表语从句如果是虚拟的,则要用虚拟语气。
as if引导的表语从句如果是虚拟的,则要用虚拟语气。
It looks as if she knew it.
Mom appeared as if she had known nothing about it.
It seems as if he would do it.
她看起来好像懂似的。
(其实不懂)
妈妈看起来好像她对此一无所知。
(其实知道,假装不知道)
看起来他好像会做似的。
(其实他不会去做)
Exercise
1.The question is ______we will have our sports meeting next week.
A.that B.if C.when D.whether
2.The reason why he failed is_______he was careless.
A.because B.that C.for D.because of
3.Go and get your coat .It's______you left it.
A.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 can we get
C.who we can get D.what we can get
5.What I want to know is_________he likes the gift given by us.
A.that B.if C.whether D./
D
B
A
C
C
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 if
9.The reason why he hasn’t come is______________
A.because his mother is ill B.because of his mother’s being ill
C.that his mother is ill D.for his mother is ill
10.That is_______Lu Xun once lived.
A.what B.where C.that D.why
Exercise
A
C
D
C
B