Unit 4 Natural Disasters 定语从句（ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 4 Natural disastersDiscovering useful structuresTo master the basic usages of the restrictive relative clauses.To learn to use the restrictive relative clauses mentioned flexibly.Goals12Adele is a famous singer.She sings the song Rolling in the deep.Adele is a famous singer who sings the song R

2、olling in the deep.Leading-inHe is a popular singer.His song is popular among young people.He is a popular singer whose song is popular among young people.定语形容词名词介词短语1.1.什么定语？什么定语？非谓语动词从句(定语从句）She is a beautiful girl.Amy is a woman teacher.The girl in red is my sister.I have something to say.The boy

3、 making face is my son.Japan is a developed country.I like people who smiles a lot.定语：“定”语相当于形容词，修饰名词或代词，常译为“的”什么可以做定语?定语从句定义结构定语从句2.2.什么定语从句？什么定语从句？关系词修饰名词或代词的句子先行词关系词被修饰的名词或代词引导定语从句的关联词关系代词关系副词who whom that which whose aswhen where why eg.This is the car which he bought last year.定语从句定语从句:一个简单句跟在一

4、名词或代词后（先行词）进行修饰限定，就叫做定语从句。在主句中充当定语成分在主句中充当定语成分。被修饰的词叫先行词先行词。定语从句不同于单词作定语的情况，它通常只能放在被修饰的词（即先行词）之后。定语从句由关系词（关系代词、关系副词）引导，关系代词、关系副词位于定语从句句首。This is the boy who often helps me.公式公式：定语从句=先行词+关系词+从句 先行词：被修饰的名词或代词关系词有三个作用：1.连接作用，连接主句和定语从句 2.指代先行词 3.在定语从句中担当成分 This is the pen which you want.关系代词：who;whom;wh

5、ose;which;that;as 关系副词：when;why;where关系代词关系代词：who;whom;whose;which;that;as(1)关系代词关系代词所代替的先行词是人或者物的名词或代词，并在从句中充当主语，宾语，定语主语，宾语，定语等成分。关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。Do you know the girl whose skirt is white?Yesterday I helped an old man who/that lost his way.Football is a game which/that is liked

6、by most boys.（作定语）（作主语）（作主语）He(_)does not reach the Great Wall is not a true man.不到长城非好汉。This is the famous scientist(_)we visited last week.这就是我们上周拜访的那位著名科学家。关系代词 关系代词的用法之关系代词的用法之 whowhomwhowhom先行词是先行词是人人-在从句中在从句中充当主充当主宾宾The foreigner who visited our school yesterday is from Canada.先行词是先行词是人人-在从句中在

7、从句中充当宾充当宾The person to whom you just talked is Mr.Li.whowhowhomthat which先行词是先行词是人人物物-在从句中在从句中充当主充当主宾宾A plane is a machine that can fly.Lets ask the man that is reading the book over there.先行词是先行词是物物-在从句中在从句中充当主充当主宾宾They planted the trees which didnt need much water.关系代词He finally worked out the pro

8、blem _ puzzled him for a long time.他最后解出了这个令他困惑很久的问题。The fish(_)we bought yesterday were not fresh.thatwhichthatwhich关系代词的用法之关系代词的用法之 thatwhichwhoseas先行词是先行词是人人物物-在从句中在从句中定语定语This is the boy whose composition the teacher liked.This is the book whose cover is blue.修饰句子修饰句子-正如正如As is known,China is a

9、very big country.关系代词关系代词的用法之关系代词的用法之 whose asThey rushed over to help the man _ car broke down.There is a mountain _ top is always covered with snow有一座山顶常年被雪覆盖的山_ everyone knows,China is a beautiful country with a long history.正如每个人都知道，中国是一个有着悠久历史的美丽国家。whosewhoseAs(2)关系副词在句中作状语 I dont know the reas

10、on why he was late.This is the place where we have lived for 5 years.Ill never forget the day when I met Mr Li for the first time.如何判断关系代词与关系副词如何判断关系代词与关系副词？1.用关系代词，还是关系副词完全取决于从句中的谓语动词。及物动词后面无宾语，就必须要 求用关系代词。I will never forget the days(which)I spent in the countryside.I will never forget the days wh

11、en I spent in the countryside.（）（）2.准确判断先行词在定语从句中的成分(主、谓、宾、定、状)，也能正确选择出关系代词/关系副词.先行词在从句中作主、定、宾语时，应选择关系代词；先行词在从句中作状语时，应选 择关系副词。Is this the museum which you visited a few days ago?Is this the museum where the exhibition was held?Do you know the man who spoke just now?Do you know the man?He spoke just

12、now.I have read the newspaper(which)carries the important news.I showed him the letter(which)I received this morning.I have read the newspaper.It carries the important news.I showed him the letter.I received it this morning.将下列句子改成一句话将下列句子改成一句话1.Find and underline the restrictive relative clauses in

13、 the sentences below.What function do the restrictive relative clauses have?The Tangshan earthquake was a terrible experience that my great-grandma cannot forget.The couple who live next to us volunteered to help after the volcano erupted.The supplies which were provided to the disaster area were co

14、llected from around the county.Mr.Li is an architect whose designs for the new town have won praise.A doctor with whom James used to work died in the 2016 earthquake in Ecuador.Exercise 1.Here are some of the people _ homes were destroyed by the typhoon.2.The terrible shaking of the building woke up

15、 all the people _ were asleep.3.The next day,eople put up shelters in the open air using anything _they could find.whosewhothat2.Complete each sentence with that,which,who,whose,whom,or/.Then translate the sentences into Chinese.4.Several days later,most of the buildings_ had been damaged by the hur

16、ricane were repaired.5.The injured boy _mother was lost in the disaster was taken to the hospital.6.The woman wrote a thank-you letter to the soldier by _ she was rescued.7.Is this the young boy _saved several other students trapped under buildings?whichwhosewhowhom3.Work with a partner.Take turns t

17、o ask each other about the pictures.Make sentences with restrictive relative clauses using that,which,who,whose,or whom.EXAMPLEA:Whats the rescue worker doing?B:She s feeding the baby who survived the earthquake.3.预习 Unit 4-Listening and talking1.Recite new words and phrases.2.Write a composition:Self-rescue measures during the earthquake.Bye-bye!