人教版（2019）选择性必修第二册Unit 1Science and Scientists Discover useful structures 课件(25张PPT)-

(共25张PPT)
Unit 1 Grammar Predicative Clause
表语从句
CONTENTS
立标
01
自学
02
练习&解疑
03
总结
04
作业
05
’
Part 01
立标
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：
Step I Lead-in (导入)
1. Listen to the song This is what it takes (《如果这一切就要逝去》)and fill in the blank.
I watch your troubled eyes 1. you rest, and I fall in love with every breath.
(I) Wonder 2. those eyes are really shut.
And am I the one you’re dreaming of, ’cause underneath the darkness, there’s a light that’s trying so hard to be seen.
And I know this, ‘cause I notice, a little bit shining through the scenes.
And 3. this is what it takes,
Then let me be the one to bear the pain.
If this is 4. it takes,
I’ll break down these walls 5. are in our way
If this is what it takes...
Step I Lead-in (导入)
1. Listen to the song This is what it takes (《如果这一切就要逝去》)and fill in the blank.
I watch your troubled eyes 1. you rest, and I fall in love with every breath.
(I) Wonder 2. those eyes are really shut.
And am I the on e you’re dreaming of, ’cause underneath the darkness, there’s a light that’s trying so hard to be seen.
And I know this, ‘cause I notice, a little bit shining through the scenes.
And 3. this is what it takes,
Then let me be the one to bear the pain.
If this is 4. it takes,
I’ll break down these walls 5. are in our way
If this is what it takes...
as
if
if
what
that
时间状语从句
宾语从句
定语从句
？？从句
2. Review: 主系表结构
This pancake is a kind of Chinese food.
This pancake tastes good.
That is why we like it.
主语 + 系动词 + 表语
（说明主语的状态、性质、内容）
（ 作表语）
（ 作表语）
（ 作表语）
名词
形容词
从句
Step II Self-study (自学)
1. 表语从句的定义
This is what it takes.
That is why we like it.
在复合句中充当 的从句叫表语从句。标志：位于主句的
之后，对主语进行解释、说明，使主语的内容具体化。表语从句必须用 语序。表语从句的引导词可以分为从属连词、连接代词、连接副词、其他连词。
主语 系动词 表语
主语 系动词 表语
表语
系动词
陈述句
Step II Self-study (自学)
2. 可以接表语从句的系动词有：
be 动词 am，is，are
表象系动词 seem，appear
持续性动词 ，stay，remain
感官动词 look，sound，taste， ，feel
变化系动词 get， ， grow，turn，go
终止系动词 prove，turn out
keep
smell
become
Step III Exercises and Explanations (练习和解疑)
1. Discussion：
引导词在表语从句中是否有含义？
是否作成分？
如有，作何种成分？
2. fill in the blank.
180
Group work
秒
倒计时
引导词在表语从句中是否有含义？
是否作成分？
如有，作何种成分？
1. 由连词that、whether引导的表语从句
1) The fact is we cleaned the lab a few days ago.
that
that无实际意义，在从句中不作成分，只起连接作用，不能省略。
1. 由连词that、whether引导的表语从句
2) The question was the boys would pay attention to their safety.
whether
whether有实义，意为“是否”，在从句中 成分，
不作
例：1) The problem is cat it is. 问题是这是谁的猫。
2) What I want to know is can get the big surprise.
我想知道的是谁能抽到大的惊喜。
whose
who
whose作定语
who作主语
3) That’s I want to stress. 这是我想强调的。
what
what作宾语
在表语从句中有 ，句子中充当 。
具体含义
成分
缺主宾，考虑who或者what
2.由连接代词引导的表语从句
3. 由连接副词引导的主语从句。
例：1) That’s he didn’t come. 这就是他没有来的缘故。
2) The problem is they can measure the angle. 问题是他们如何测量角度。
why
how
连接副词 ，
在从句中作 。
有具体含义
状语
4. 由连接词because，as if / as though等引导的表语从句。
1) The vegetables grow so great. That's they work hard for it.
because
有具体含义，“因为”，不作成分。
4. 由连接词because，as if / as though等引导的表语从句。
It seems many of them know the answer. 看起来好像他们很多人知道答案。
as if
有具体含义，“好像”，不作成分。
1. That's _________ we should do.
2. The question is ________ caused the accident, the poor whether or the heavy traffic
3. The question is we will have our sports meet next week.
4.The problem is we can find to finish this task.
5.What I want to know is he likes the gift given by us.
即学即练
what
what
whether
who/whom
whether
即学即练
6. He looked he were ill.
7. Please put the medicine on the top of the shelf. It’s
our children can’t reach it.
8.［2013·安徽］From space, the earth looks blue. This is
about seventy-one percent of its surface is covered by water.
9.［2014·四川］Grandma pointed to the hospital and said, "That’s I was born．"
10.［2014·北京］The best moment for the football star was
he scored the winning goal.
as if /
as though
where
because
where
when
即学即练
11.[2018·江苏]By boat is the only way to get here, which is we arrived.
12.[2018·北京]This is my father has taught me —to always face difficulties and hope for the best.
13. [2021·新高考1卷] The amazing thing about the spring is the colder the temperature gets, the hotter the spring!
how
what
that
Step III Exercises and Explanations (练习和解疑)
二、表语从句注意事项
1. 表语从句和其他从句一样都用陈述语序：引导词+主语+谓语（引导词+谓）。
例：One advantage of playing the guitar is that it can give you a lot of pleasure.
The problem is who can tackle the crisis.
判断正误：
The question is when can we get a pay rise. （ √ ）
The question is when we can get a pay rise. （ ）
引导词+主语+谓语
引导词+谓语
2. 表语从句的虚拟语气
1)在表示“一坚持（insist)二命令(order, command)三建议(advise, suggest, propose) 四要求(ask, require, request, demand)”的名词 advice, suggestion, request, proposal,idea 等后面的表语从句中，谓语动词用“should + 动词原形”，should可省略
My advice is that we (should) get there by train.
My suggestion is that we (should) go and help him.
判断正误:
We received the order that we left at once. （ ）
We received the order that we should leave at once. （ ）
Step III Exercises and Explanations (练习和解疑)
完成句子
1. 麻烦的是我把他的地址丢了。
The trouble is .
2. 问题是什么时候他才能到达酒店。
.
3．问题是谁适合做这份艰苦的工作。
.
4.我的建议是你尽可能经常地练习说英语。
My advice is that you as often as possible.
that I lost his address.
The question is when he can arrive at the hotel.
The question is who is suitable for this hard work.
(should) practice speaking English
Step IV Summary (总结)
1. 表语从句的标志：在复合句的 动词之后。
2. 表语从句的引导词使用。
引导词 用法
从属连词 that 在从句中不充当成分，无意义
whether 在从句中不充当成分，意为“是否”
连接代词 what,which,who,whom, whose， wh-ever 在从句中充当主语，宾语，定语
连接副词 how,when,where,why 在从句中充当状语
其它连词 because,as if,as though 在从句中不充当成分，意为“因为，好像，似乎”
Step V Homework
1. 背表语从句的引导词用法；
2. 完成《新课程学习与测评》P11-12;
3. 完成 课时跟踪检测（三）。
Thank you!
高二英语备课组 黄美霖
December 8th, 2022