人教版 高中英语 必修一 Unit 5 Language around the world 语法 discover useful structure 课件

Discovering Useful StructuresUNIT 5Review: What is a restrictive clause? structure?在复合句中, 修饰某一 _____ 或 _____ 的从句叫定语从句。被修饰的名词或代词叫 _______ , 定语从句一般放在先行词的_____ , 引导定语从句的词叫做 _______。先行词后面关系词名词代词先行词关系词定语从句++关系代词关系副词?（which, who, whom…）（where, when, why）Review: relative pronouns指人指物who (主语，宾语)whom (宾语) whose (定语)that (主语，宾语) whose (定语)that (主语，宾语) which (主语，宾语)The usage of the relative pronounsRelative adverbs: time时间状语placereason地点状语原因状语作状语，即从句成分齐全，不缺主，宾，表，定语。引导定语从句的关系副词包括when, where, why，一般代替先行词在从句中作状语，表示时间、地点、原因。The time when I arrived. The mines where I worked. The reason why I got a job. Sept.1st is an unforgettable day when I first came to this school.关系副词 从句完整先行词 在从句中作时间状语 when=on the day When 在定语从句中做时间状语，先行词为表示时间的time, day等。Relative adverbs: 1. when引导的定语从句。Classroom 106 is the place where we first met.关系副词 从句完整先行词 在从句中作地点状语 where=in the classroom Where 在定语从句中做地点状语，先行词为表地点的place, house等。 Where引导的定语从句还可以修饰抽象空间的名词如case(情形)，situation, position(位置)，stage (阶段)，point（地步）等。Relative adverbs: 1. where引导的定语从句。 Where引导的定语从句还可以修饰抽象空间的名词如case(情形)，situation, position(位置)，stage (阶段)，point（地步）等。He got into a situation where it is hard to decide what is right and wrong.It is hard to decide what is right and wrong in the situation.where=in the situationRelative adverbs: 1. where引导的定语从句。Do you know the reason why I choose to be an English teacher?关系副词 从句完整先行词 在从句中作原因状语 why=for the reason Why 在定语从句中做原因状语，先行词只有reason。Relative adverbs: 3. why引导的定语从句。6. I don’t know the reason why he looks unhappy today.5. I visited the farm where a lot of cows were raised.3. The house where I lived ten years ago has been pulled down.1. I still remember the day when I first came to this school.2. The time when we got together finally arrived.4. The reason why he was punished is unknown to us. HoursMinutesPractice makes perfect!（一）定语从句的定义在复合句中，修饰______或______的从句叫定语从句。被修饰的名词或代词叫________，引导定语从句的词叫________。关系词分为关系_____和关系_____两类名词代词先行词关系词代词副词Step 2. Revision何时可以省略？做宾语时可以省略√√√√√√√√√√√√√√√（二）关系代词及其用法 找出定语从句、关系词及关系词在从句中的充当的句子成分, 并思考先行词的特征。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 on which symbols were carved by ancient Chinese people.状语状语状语状语Step 3. PresentationWhat can you find from the sentences above?状语表时间表地点表原因关系副词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, we’ll discuss a number of cases ________ beginners of 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situation, stage, point, case, position, condition等。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。1. Do 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 don't know the reason why he didn't turn to his good friend for help yesterday.4. We won't accept the reason that/which you have given.5. Can you recognize 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What can you find?表示时间、地点及原因的名词作先行词时，1. 先行词在定语从句中作状语时，应用_____________ ；2. 若先行词在定语从句中作主语或宾语时，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：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 book 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 animal 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+关系代词介词+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。1. This is our school. We study and 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 great funwhen we had great fun Practice1.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+关系代词如果指“人”，用“介词＋whom”如果指“物”，用“介词＋which”What can you find?2. 介词的确定 根据先行词的搭配关系：1) I still remember 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)(on the farm 在农场)(with the money 用钱)介词+关系代词2. 介词的确定 根据谓语动词或形容词的搭配习惯Do you like the book _______ _______ she spent $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+关系代词2. 介词的确定根据句子的意思来确定1) Air, _______ which man can’t 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 years. 这就是和我弟弟一起工作了十年的那个人。withoutwith介词+关系代词2. 介词的确定表示“所有”或“整体的一部分”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 children’s 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+关系代词用介词 ＋ 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 can’t see clearly.5. Do you remember the day _______ _______ you joined our club?6. Do you know the reason _____ _______ he lost the job?即学即练with whom without which under whichof which on whichfor which时间名词时间状语地点状语原因状语关系副词=介词＋which地点名词reason介词+which介词+whichfor whichStep 5. summary 单句语法填空1．We visited the house ________ the famous scientist once lived.2．The photo reminded me of the days ________ I played hide－ and－seek with my brother and I stayed for six years.3．It was a period ________ they had discussion very frequently.4．The problem has come to a point ________ everyone has different opinions and it is difficult to reach an agreement.wherewhenwhenwhere6．One of the reasons ______ he was refused in the interview was that his spoken English was terrible.7．I'll never forget the time _____________ we spent together in the volunteer organization.8．I'll never forget the day ________ I joined the robot club.9．Miss Smith is an excellent teacher ________ whom I have learned a lot.10．They have two children, both of ________ 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 门外语的）2. He couldn't remember the place______________________(他藏钱的).3. Are you the person_________________________(他们正在寻找的).4. For the young people ____________________________(想出国学习的)our school is a good choice.5. The days___________________________________(中国人被人看不起的) are gone.6. After living in Paris for fifty years, he returned to the small town ________________ (他长大的)as a child.7. This is the reason ______________________________.(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!!UNIT 5