人教版（2019）必修第一册Unit 4 Natural disasters Discovering useful structures 定语从句课件(共22张PPT)

(共22张PPT)
Learning Objectives:
At the end of the class you will be able to
1. review the definition and function of attribitive clause;
2. sort out the different usages of relative pronouns and relative adverbs;
3. try to use the grammar in different contexts properly.
Attibutive Clause (Revision)
A guessing game
The Wondering Earth
The movie which/that is China’s biggest sci-fi film to date is directed by Guo Fan from Jining, Shandong Province.
A guessing game
Mo Yan
He is a Chinese writer who won the Nobel Prize in literature.
A guessing game
Audrey Hepburn
She is a great actress whose most famous film is Roman Holiday.
A guessing game
Oct,1st,1949
It was a day when the People’s Republic of China was founded.
A guessing game
Home
It is a shelter where we can go for comfort whenever we are depressed.
A guessing game
Hurrican
Vivid plots and wonderful performance of actors, such as Zhang songwen are the reasons why the TV series was a hit during the spring festival.
1. The movie is directed by Guo Fan from Jining, Shandong Province.
2. He is a Chinese writer
3. She is a great actress
4. It was a day
5. It is a shelter
6. Vivid plots and wonderful performance of actors, such as Zhang songwen are the reasons
Attributive clause 定语从句
一、概念:　在复合句中修饰名词或代词的句子.
定语从句
先行词
关系词
which/that is China’s biggest sci-fi film to date
who/that won the Nobel Prize in literature.
whose most famous film is Roman Holiday.
when the People’s Republic of China was founded.
where we can go for comfort whenever we are depressed.
why the TV series was a hit during the spring festival.
关系代词 指代 成分
物
人/物
人
人
人/物
主语/宾语
主语/宾语
主语/宾语
宾语
定语
Conclusion 1
which
that
who
whom
whose
二、关系词
关系副词 指代 成分
when(in/on/...+which)
where(in/on/...+which)
why(for which)
时间
地点
原因
状语
状语
状语
Conclusion 2
1)常见句型the same …as ; the same as；such …as …; so…as...等 ，在这些句型中as 意为______。
2)常见短语as we know.../as is well known.../as is expected.../as you can see...等，在这些短语中as意为_________。
3). as 位置灵活,可放句首、句尾和句中。
As is known to all, the earth is round.
The earth, as is known to all, is round.
The earth is round, as is known to all.
3)正如...
像...
special
1.as 引导定语从句
2. way 做先行词，在定语从句中充当方式状语时，关系词可以用in which/ that或者省略。
1. Those ___ are present at our class are all experienced teachers.
2. Our class is a big family_________ is made up of 38 students.
3. The old temple _______ roof was damaged in storm is now under repair.
4. Nowadays people are more concerned about the environment _______ they live.
5. we all know, our school is over 30 years old.
6. I refuse to accept the blame for something _____ is someone else's fault.
7. Do you still remember the days _______ we worked together
8. Our team lost the game, ________ depressed me and my friends.
9．Barbara is easy to recognize as she's the only one of the women who ________ (wear) evening dress.
10．The reason ______ he was late was that he got up late.
where
who
whose
As
which/ that
that
when
which
wears
why
Exercise 1 用适当的关系词完成下列句子
1. ①The days __________ she spent with us were never to be forgotten.
②The days_________ she worked with us were never to be forgotten.
2. ①We should go to the place_____________ we are most needed.
②We should go to the place__________ needs us most.
3. ①The teacher didn’t know the reason____________ she was absent yesterday
②The teacher couldn’t accept the reason ___________ she explained yesterday.
4. ①We must learn to act in ways _________ do not harm other species.
②I don’t like the way ____________ he spoke to his mother.
when/on which
that / which
where/in which
which / that
in which/that
that / which
关系词的选择不能只看先行词，关键是看先行词在从句中做的成分。
Exercise 2 对比练习
that/which
why/for which
This is the ship by which I went to Shanghai.
This is the teacher from whom I borrowed a book.
Don’t bring the children to see the animals of which they are afraid.
This kind of colorless gas without which we can't live is called oxygen.
Conclusion 1
在此结构中，先行词指人时，介词+_______，先行词指物时，介词+________。
Conclusion 2 介词的选择
三、介词+关系代词引导的定语从句
whom
which
与先行词的习惯搭配决定（by ship）
定语从句中动词短语的习惯搭配 (borrow sth from sb)
定语从中形容词短语的习惯搭配 (be afraid of)
根据句子所表达的意思选择介词 (没有它我们就不能生存)
for
with
of
in
in which
to whom
Exercise
介词+whom/which如何判断介词
1. This is the book _____ which you asked.
2. He told me some reference books ______ which I am not very familiar.
3. This is our classroom, in the front ____which there is a teacher’s desk.
4. My grandpa was born in 1939 ___ which the World WarⅡ broke out.
5. Kun Ming is a beautiful place ___ _____ flowers are seen all the year round.
6. The old man ____ _____ my father spoke was an engineer.
四、限制性定语从句和非限制性定语从句
限制性定语从句和主句之间不用逗号分开，修饰主句中的某一个名词或名词词组或代词；非限制性定语从句常用逗号和主句隔开，可以修饰主句中的某一个词，也可修饰整个句子。非限制性定语从句不能用that引导，引导非限制性定语从句的关系词不能省略。
Exercise
选择适当的代词填空，注意非限制性定语从句和单句的比较
1.I am reading Harry Potter. _________is an interesting book.
2.I am reading Harry Porter, _____is an interesting book.
3.He failed in the exam.__________ made his parents angry.
4.He failed in the exam, _______made his parents angry.
5.He has two sons. Both of ________ are teachers.
6.He has two sons, both of ________ are teachers.
It/That
which
It/That
which
them
whom
Exercise 1 改错：
1. July 1.1999 is the day when we’ll never forget.
2. This is the factory where we visited yesterday.
3. I’m going to work in the hospital where needs me.
4. I don’t like the way which you talked to your friend.
5. Soon they came to a farm house, in front of that sat a small boy.
6. The reason which he explained it sounds reasonable.
7. He was late again, that made the teacher angry.
8. I will keep the days when we spent together in mind forever.
which
which
in which
which
which
that
that
五、巩固练习
Exercise 2 将下列两个简单句合并成一个含有定语从句的复合句。
1. This is the house. A famous writer once lived in the house.
2. The building is going to be rebuilt. We put our tools in the building.
3. I will never forget the day. I joined the league on the day.
4. The lady lost her purse. Mr. Smith is talking to her.
5. Do you remember the days We stayed together on the days.
6. The reason was that he got ill. He didn’t come to school for the reason.
This is the house where/ in which a famous writer onced lived.
The building where/ in whichwe put our tools is going to be rebuilt.
I will never forget the day when/ on which I joined the league.
The lady to whom Mr. Smith is talking lost her purse.
Do you remember the days when/ on which we stayed together
The reason why he didn’t come to school was that he got ill.
Exercise 3 写作：用含有定语从句的复合句表达三个内容要点。
假定你是李华。你的美国笔友Tom给你写信，咨询如何在班级创设浓厚的汉语学习氛围，提高学生学习汉语兴趣。请你根据提示给他写一封英文回信。内容包括：
1. 宣传标语(signs and slogans)用英汉双语； 2. 开设汉语角； 3. 邀请汉语老师来学校上课。
注意：1.词数80左右；2. 可适当增加细节，以使行文连贯；3. 开头和结尾已给出，不计入总词数。
1. You’d better put up signs and slogans which are written both in Chinese and English in your class.
All the signs and slogans should be written both in Chinese and English, which can create an atmosphere to learn Chinese.
2. You should set up a Chinese Corner in your class, where you can practice your spoken Chinese.
3. Invite some Chinese teachers who have a good command of Chinese to come to your school to communicate with students face to face.
六、作业
按要求完成一篇完整作文，要求结构清晰，要点全面，语言流畅，书写规范。
Thanks