Unit 2 Bridging Cultures Discover Useful Structures 名词性从句 课件(共26张PPT)-2025-2026学年高中英语人教版（2019）选择性必修第

(共26张PPT)
Unit 2 Discover Useful Structures
Noun Clause 名词性从句
1. To review the functions of noun clauses
2. To understand the meaning of noun clauses in different context
3. To use the conjunctions for noun clauses properly
Learning objectives
一、名词性从句定义
判断下列句子中划线名词充当什么成分
The book is interesting.
I like English.
My mother is a doctor.
I come from Fuding, a beautiful city.
主语
宾语
表语
同位语
一、名词性从句定义
翻译划线部分句子并判断其在句中充当的成分
____________________ is interesting. 他所说的很有趣.
I like ___________________. 我喜欢你所说的。
My mother is ___________________. 我妈妈是我最爱的人。
This is my idea ____________________________.
这是我的观点，英语很重要。
What he said
主语从句
what you said
宾语从句
whom I love most
表语从句
that English is important
同位语从句
思考
1. 一个句子在连接词的引导下，在句子中起________作用的句子叫名词性从句。
2．名词性从句相当于名词词组, 它在复合句中能担任哪些句子成分？
_________________________________________________________
3. 根据从句在句中不同的语法功能，名词性从句可分为哪四类呢？ ________________________________________________________
名词
主语，宾语，表语，同位语
主语从句，宾语从句，表语从句，同位语从句
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
做宾语 宾语从句
做宾语 宾语从句
做宾语 宾语从句
做表语 表语从句
What Makes You Beautiful
what
why
what
练习
判断下列划线部分的从句类型。
1. What seemed strange before now appears quite normal to Xie Lei. ( )
2. Her tutor explained that she must acknowledge what other people had said. ( )
3. What surprised her was that she found herself speaking up in class after just a few weeks. ( )
4. Xie Lei had no idea what she should say. ( )
主语从句
表语从句
宾语从句
同位语从句
that (无意义；但不省)
if, whether (不充当句子成分，只起连接作用, “是否”)
as if, as though, because(多用于表语从句)
who/whoever, what/whatever which/whichever, whom, whose
作主/宾/表/定
When/whenever, where/wherever, how/however, why
作状语
从属连词
连接代词
连接副词
二、名词性从句的引导词
2.1 从属连词：that、whether、if、as if、as though、because不充当任何成分，即它们引导的从句是完整的。
That she was chosen to study abroad as an exchange student made her parents both worried and proud.
(主语从句, that 不充当成分, 不能省略)
The fact is that he is old enough to go to school.
(表语从句， that 不充当成分, 不能省略）
He says that he needs more experience.
(宾语从句， that 不充当成分, 可以省略）
Have you heard the news that Mary will be back soon
(同位语从句， that 不充当成分, 不能省略）
that只起引导作用，无意义，有时可省略。
2.1 从属连词：that、whether、if、as if、as though、because不充当任何成分，即它们引导的从句是完整的。
Whether she will come back on time depends on weather.
(主语从句，whether不充当成分, 不能省略）
The problem is whether you could give us some valuable advice.
(表语从句， whether不充当成分, 不能省略）
Could you answer the question whether the old man will recover soon
(同位语从句， whether不充当成分, 不能省略）
I want to know whether/if she still lives here.
(宾语从句， whether不充当成分, 不能省略）
whether/if起引导作用，有意义，译为“是否”，不省略。
If 不引导位于句首的主语从句、表语从句和同位语从句
2.1 从属连词：that、whether、if、as if、as though、because不充当任何成分，即它们引导的从句是完整的。
It seemed as if all the theories were useful.
(表语从句，as if作连词，不能省略）
From space, the earth looks blue. This is because about 70 percent of its surface is covered by water.
(表语从句，because作连词，不能省略）
because、as if、as though一般用于表语从句；
①I don’ t care about __________ you have money or not.
②The question is __________ Tom is able to arrive on time.
③__________ the meeting will be held here is not decided yet.
④It looks __________ it is going to rain.
⑤The truth is __________he didn’t come for the concert.
⑥__________ the earth is round is true.
练习
whether
whether
Whether
as if
that
That
2.2 连接代词：what/whatever、 who/whoever、whom、which/whichever，在从句中要承担成分。
Who will go to the party is still unknown.
(主语从句，who在从句中作主语)
The question is what we can do to protect the environment.
(表语从句，what在从句中作宾语)
You can ask whoever you trust.
(宾语从句，whoever在从句中作宾语)
He put forward to the question what should the team do next．
(同位语从句，what在从句中作宾语)
Whose bag was the most beautiful is still unknown now.
(主语从句，whose在从句中作定语)
连接代词在句中充当主语、宾语、表语、定语。
①I don’ t believe __________ he has achieved so far.
②He wants to know __________ picked up his mobile phone.
③What he wants to ask you now is __________ team won the game.
④I don’t know __________ book it is.
⑤The thing I am anxious about is __________ he will turn to for help.
练习
what
who
which
whose
whom
⑥I will praise __________ could work out the question .
⑦Do __________ you like.
⑧He was free to marry __________ he chose.
⑨Choose __________ brand you prefer.
练习
whoever
whatever
whomever
whichever
2.3 连接副词：when/whenever、 where/wherever、how/however、why。在从句中分别作状语。
When the train is going to arrive is not informed.
(主语从句, when在从句中作时间状语)
Scientists are trying hard to find out where the virus comes from.
(宾语从句, where在从句中作地点状语）
That is why I can’t go with you.
(表语从句, why在从句中作原因状语）
连接副词在句中充当时间、地点、原因、方式和原因状语。
连接副词不用于同位语从句
①__________ we will hand in the project will be discussed later.
②Parents are thought to understand __________ important education is to their children ’s future.
③Mary wrote an article on ____ the team had failed to win the game.
练习
When
how
why
2.4 it作形式主语和形式宾语时，一般将替代它的主语从句和宾语从句后置。
It is reported that seven people have been seriously injured in the accident.
It happened that he was out that day.
I leave it to your own judgement whether you should do it.
(it 作形式宾语)
We have made it clear that a foreign language is useful weapon in the struggle of life.
(it 作形式主语)
(it 作形式主语)
(it 作形式宾语)
连接词
1.从属连词
2.连接代词
3.连接副词
Noun clause
类型和功能
1.主语从句 （主语）
2.宾语从句 （宾语）
3.表语从句 （表语）
4.同位语从句 （同位语）
Summarize
Definition: 名词性从句是在句子中起名词作用的句子，根据在句中不同的语法功能，可以分为四类。
it作形式主语和形式宾语
because、as if、as though
whether和if均可用于宾语从句，但在主语从句、表语从句和同位语从句中一般只用whether。
连接词
1.从属连词
2.连接代词
3.连接副词
Noun clause
类型和功能
1.主语从句
2.宾语从句
3.表语从句
4.同位语从句
Summarize
缺什么补什么:看从句中缺少什么成分，根据意思选择适当连接词语；
如不缺成分且句意完整，则选用______,
句意不完整，需要“是否”的意思则选__________
缺主宾表，根据句意选 ____ , _____________ , _______ _______
缺状语，根据句意选_____, _____, _____,_____,
一找
二查
三选
从句
从句缺少什么成分
意思适合的连接词
连接词使用总原则：
whether/if
that
what
Who/whom/
which
when
where
why
how
whose定语
It was reported ______ there was an accident at the corner of Roman Street this morning. No one saw ______ on earth happened then. A car ran into a truck but fortunately, nobody got injured. ______ is responsible for the accident is still under investigation. The police are uncertain about ______ the driver is guilty. ______the police should do now is ______they must find out what led to the accident. They said it was difficult for them to judge because ______ the accident happened was not clear.
Perhaps the reason was ______ the driver was too tired to stop the car in time. The driver didn't admit the fact ______ he was driving too fast at the turning. The police doubted ________ what he said was true and decided to make a further investigation.
that
what
Who
whether
What
that
how
that
that
whether
三、巩固练习
三、巩固练习
用括号中的提示词将两个句子连接起来。
(1) The advisor talked about maintaining reasonable expectations when studying abroad. His words were quite helpful to May. (what)
(2) Students have to write countless research papers as part of their coursework. This was not something that Chen Hao was ready for. (that)
(3) Who will be the successful applicant for the summer job at the law firm This is the question. (who)
What the advisor talked about maintaining reasonable expectations when studying abroad was quite helpful to May.
That students have to write countless research papers as part of their coursework was not something that Chen Hao was ready for.
The question is who will be the successful applicant for the summer job at the law firm.
(4) Exposure to another culture and its people can give exchange students great insights into the world. This is an advantage of studying abroad. (that)
(5) Schools in the States are quite multicultural, with students and teachers from many different ethnic backgrounds. This impressed Liu Yang. (It…that)
(6) Should she stick to her own way of life or follow the American way This is her confusion. (whether)
An advantage of studying abroad is that exposure to another culture and its people can give exchange students great insights into the world.
It impressed Liu Yang that schools in the States are quite multicultural, with students and teachers from many different ethnic backgrounds.
Her confusion is whether she should stick to her own way of life or follow the American way.
Homework
《语法大突破》P77-79
THANKS