Unit5 Discovering Useful Structures 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 5 Languages around the worldDiscovering Useful StructuresLets have a review1.China is widely known for its ancient civilisation which has continued all the way through into modern times.(P62)2.People in modern times can read the classic works which were written by Chinese in ancient times.(P62)

2、3.Written Chinese has also become an important means by which Chinas present is connected with its past.(P62)4.Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction.(P62)step 1：lead-in（一）定语从句的定义（一）定语从句的定义在复合句中，在复

3、合句中，修饰修饰_或或_的从句叫定语从句。被修的从句叫定语从句。被修饰的名词或代词叫饰的名词或代词叫_，引导定语从句的词叫，引导定语从句的词叫_。关系词分为关系。关系词分为关系_和关系和关系_两类两类名词名词代词代词先行词先行词关系词关系词代词代词副词副词Step 2.Revision关系代词指代在定语从句中所充当的成分人物主语宾语定语that whichwhowhomwhose何时可以省略？做宾语时可以省略（二）关系代词及其用法（二）关系代词及其用法 找出找出定语从句、关系词定语从句、关系词及关系词在从句及关系词在从句中的充当的中的充当的句子成分句子成分,并思考并思考先行词的特征先行词的特征

4、。1.It was a time when people were divided geographically.2.Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction.3.There are many reasons why people learn a foreign language.4.These were animal bones and shells o

5、n which symbols were carved by ancient Chinese people.状语状语状语状语状语状语状语状语Step 3.PresentationWhat can you find from the sentences above?关系副词关系副词 句法功能句法功能 先行词特征先行词特征例句例句whenSunday is the day when very few people go to work.whereI know a place where you can hide.whyThat is the reason why I came early.状语状语

6、表时间表时间表地点表地点表原因表原因关系副词关系副词Please fill in the blanks with proper relative adverbs.1.I cannot forget the day _ I first visited the Great wall.2.This is the house _ they lived in their childhood.3.The reason _ I admire him is that he often works hard.4.Today,well discuss a number of cases _ beginners o

7、f English fail to use the language properly.when where whywherePracticewhere 还可用在表示抽象意义的地点名词后，如还可用在表示抽象意义的地点名词后，如situation,stage,point,case,position,condition等。等。例如：例如：The accident has reached to the point where both their parents are to be called in.事情发展到如此地步，不得不请双方家长来一趟了。事情发展到如此地步，不得不请双方家长来一趟了。1.D

8、o you remember the days when we chatted with each other all night?2.Do you remember the days that/which we spent studying together in the classroom?3.I dont know the reason why he didnt turn to his good friend for help yesterday.4.We wont accept the reason that/which you have given.5.Can you recogni

9、ze the house where you used to live with your parents?6.Can you recognize the house that/which Tom sold three years ago?Step 3.PresentationRead and think关系代词与关系副词的选择关系代词与关系副词的选择What can you find?表示时间、地点及原因的名词作先行词时，表示时间、地点及原因的名词作先行词时，1.1.先行词在定语从句中作先行词在定语从句中作状语状语时时，应用，应用_ _；2.2.若先行词在定语从句中作若先行词在定语从句中作主

10、语或宾语主语或宾语时时，则应用，则应用_。关系副词关系代词方法：分析从句句子成分对比填空：对比填空：that、which、when、where、why1.I will never forget the days _ we spent together.I will never forget the days _ we stayed together.2.The reason_ he explained at the meeting was not sound.The reason _ he was late was that he missed his train.3.Keep the boo

11、k in place_ you can find it easily.This is the house _ was built by my grandfather forty years ago.that/whichwhenthat/whichwhywherethat/whichPractice1.It was a time at which(when)people were divided geographically.2.There are many reasons for which(why)people learn a foreign language.3.These were an

12、imal bones and shells on which(where)symbols were carved by ancient Chinese people.4.Yesterday we visited the West Lake for which(where)Hangzhou is famous.介词介词+关系代词关系代词介词介词+which=when/wherefor+which=whyWhat can you find?Step 4.Presentation将下面两个句子改写成定语从句。将下面两个句子改写成定语从句。1.This is our school.We study a

13、nd make friends in this school.This is our school _ we study and make friends.2.The most unforgettable school activity is the English speech contest.We had great fun in the English speech contest.The most unforgettable school activity is the English speech contest,_.=in whichwhere=in which we had gr

14、eat funwhen we had great fun Practice1.1.关系代词的确定关系代词的确定Do you know the girl with _ our teacher is talking?This is the room in _ my grandmother used to live.whomwhich 介词介词+关系代词关系代词如果指如果指“人人”，用，用“介词介词whom”如果指如果指“物物”，用，用“介词介词which”What can you find?2.介词的确定介词的确定 根据先行词的搭配关系：根据先行词的搭配关系：1)I still remember

15、the day _ _ I met TFboys.2)I will never forget the farm _ _ I worked with you.3)The money _ _ you were to buy food is gone.on whichon whichwith which(on the day 在那天在那天)(on the farm 在农场在农场)(with the money 用钱用钱)介词介词+关系代词关系代词2.介词的确定介词的确定 根据谓语动词或形容词的搭配习惯根据谓语动词或形容词的搭配习惯1)Do you like the book _ _ she spen

16、t$10?2)Do you like the book _ _ she paid$10?3)The West Lake,_ _ Hangzhou is famous,is a beautiful place.on whichfor whichfor which介词介词+关系代词关系代词2.介词的确定介词的确定 根据句子的意思来确定根据句子的意思来确定1)Air,_ which man cant live,is really important.空气非常重要，没有了它人类便不能生存。2)This is the man _ whom my brother has worked for ten ye

17、ars.这就是和我弟弟一起工作了十年的那个人。withoutwith介词介词+关系代词关系代词2.介词的确定介词的确定 表示表示“所有所有”或或“整体的一部分整体的一部分”时通常用介词时通常用介词“of”1)He has two sons,_ graduated from Peking University.他有两个儿子，他们都毕业于北京大学。2)Tom wrote many childrens books,nearly half _ were about campus culture.汤姆写了很多儿童书籍，其中将近一半是关于校园文化的。both of whomof which 介词介词+关系

18、代词关系代词用介词用介词 关系代词填空关系代词填空。1.Who is the person _ _ you just shook hands?2.China is a powerful country,_ _ we are proud.3.This is the tree _ _ we used to play games.4.This is my glasses,_ _ I cant see clearly.5.Do you remember the day _ _ you joined our club?6.Do you know the reason _ _ he lost the jo

19、b?即学即练即学即练with whom without which under whichof which on whichfor which关系副词关系副词指代指代 在定语从句中作用在定语从句中作用when =where =why=时间名词时间名词时间状语时间状语地点状语地点状语原因状语原因状语关系副词关系副词=介词介词which地点名词地点名词reason介词介词+which介词介词+whichfor whichStep 5.summary 单句语法填空单句语法填空1We visited the house _ the famous scientist once lived.2The ph

20、oto reminded me of the days _ I played hide andseek with my brother and I stayed for six years.3It was a period _ they had discussion very frequently.4The problem has come to a point _ everyone has different opinions and it is difficult to reach an agreement.wherewhenwhenwhere6One of the reasons _ h

21、e was refused in the interview was that his spoken English was terrible.7Ill never forget the time _ we spent together in the volunteer organization.8Ill never forget the day _ I joined the robot club.9Miss Smith is an excellent teacher _ whom I have learned a lot.10They have two children,both of _

22、work in large companies.whythat/whichwhenfromwhom根据汉义用定语从句补全句子1.There are many reasons_.(人们学习一人们学习一 门外语的）门外语的）2.He couldnt remember the place_(他藏钱的他藏钱的).3.Are you the person_(他们正在寻找的他们正在寻找的).4.For the young people _(想出国学习的想出国学习的)our school is a good choice.5.The days_(中国人被人看不起的中国人被人看不起的)are gone.6.A

23、fter living in Paris for fifty years,he returned to the small town _(他长大的他长大的)as a child.7.This is the reason _.(他开会迟到的他开会迟到的)why people learn a foreign languagewhere he hid the moneywhom they are looking forwho want to go abroad to study when Chinese were looked down uponwhere he grew up why he was late for the meetingThank You