九年级定语从句课件.ppt

The Attributive Clause,定 语 从 句,一.定语从句和宾语从句的区别,定语从句之前多是先行词,即名词或代词。宾语从句前多是动词和介词。She is a girl who has long hair.She said that I was wrong.She thought about what she should buy.,判断分别是什么从句。,1.I wonder who can help him?2.The book you borrowed yesterday can help you a lot.3.I am thinking about the question you asked me.4.I am thinking about who can help us.5.He is the person to whom you can talk.,二定语从句的位置,定语从句一般紧随它所修饰的名词或代词.The woman who you are looking for is under the tree.I like the one that is beautiful.The tall girl with long hair who is talking with your mother is my sister.（特殊）,三.定语从句的关系词,先行词分别是什么？,引导词一般有:who/that/whom(用来指人）which/that(用来指物）whose(用来指人或物）when,where,why,Match the two sentences1.Im reading a book.The book is about Bill Gates._2.He is a teacher.The teacher teaches us Chinese._ 3.I dont like the man.He is smoking._4.Where is the picture?You bought it last week._,Im reading a book that/which is about Bill Gates.,He is a teacher who/that teaches us Chinese.,I dont like the man that/who is smoking.,Where is the picture(that/which)you bought last week?,四.that/which/who/whom等引导词在定语从句中通常做什么成分？,它们有时做定语从句的主语有时做定语从句的宾语。She is the girl who/that helped me.（主语）The teacher（who/that/whom）you are waiting for is coming.(宾语）,定语从句中的引导词什么时候可以省略?什么时候不可以省略?,当它在定语从句中做主语时不可以省略。当它在定语从句中做宾语时可以省略,但是在介词后不能省略。I know the man who is talking with your mother.I know the man(who)your mother is talking with.She is a teacher that is popular in our school.The tree(which)I planted yesterday should be watered again.,1.This is the house_ we lived in last year.2.This is the house in _ we lived last year.3.Please tell me the person _ you borrowed the book from.4.Please tell me the person from _you borrowed the book.介词+关系代词引导定语从句时当先行词指人时，用介词+whom当先行词指物时，用介词+which,that/which,which,who/whom,whom,(),(),定语从句中引导词做主语时的谓语动词的单复数取决于什么？,它主要取决于引导词前面的先行词的单复数。I like girls who/that like studying.I like the girl who/that likes studying.,先行词为all,little,few,much，every,no,some,any 等不定代词时我能用的（东西）极其少There is little that I can use.先行词为anything,nothing,something等不定代词时你需要的书都在这儿All the books that you need are here.先行词被序数词或形容词最高级修饰时这是他用英语写的第一篇作文This is the first composition that he has written in English.,关系代词只能用that的情况,先行词既有人又有物时。他谈到了他曾拜访过的老师和学校。He talked about the teachers and schools that he had visited.主句是以who或which开头的疑问句在那里说话的人是谁?Who is the man that is speaking over there?先行词被the only,the very,the last等修饰时这正是我在找的枪。This is the very gun that I am looking for.,先行词在从句中做表语时他已经不是三十年前的那个年轻人了。He is not the young man that he was thirty years ago.在there be 句型中，如先行词指物，用that,而不用which.There are many books that were written by him in my home.There is a house that has beautiful windows.,Exercise 1:用关系代词填空,The boy _ is playing ping-pong is my classmate.The e-mail _ I received yesterday was from my sister.I hate people _ talk much but do little.The car _ my father bought last month is very beautiful.,who/that,(which/that),who/that,(which/that),5.The man _ hair is white is his grandfather.6.Is there a student _ father is a business man?7.This is the house in _ we have lived for 10 years.8.Ive never heard of the people and things _ you talked about just now.,whose,whose,which,that,当先行词同时指人和物时，关系代词只能用that.,Exercise 2.,My father and his teacher talked a lot about the persons and things _ they couldnt remember.Say all _ you know.Is there anything _ I can do for you?,that,that,that,当先行词是something,anything,nothing,all 等词时，关系代词只能用that.,4.This is the first play _ I have seen since I came here.5.This is the best novel _ I have read.,that,that,当先行词被序数词，最高级等词修饰时，关系代词只能用that.,6.Who is the girl _is standing under the tree?7.Which is the machine _ we used last Sunday.,当主句是who或which 引导的特殊疑问句，而中心词指人或物时，关系代词只能用that.,that,that,1.The person _ you should write to is Mr.Ball.2.The teacher from _ I learnt most was Mrs.Zhu.3.The runner _ you are asking about is over there.4.The girl _ you are looking for is in the classroom.5.The meeting _ we shall take part in will be held in a hotel.6.The factory _ I worked in for over two years has been closed.7.The airport _ is 30 kilometers away is the only one in the city 8.The person _ won the race was a woman from Sichuan.,(who/whom/that),whom,(who/whom/that),(who/whom/that),(that/which),(which/that),that/which,who/that,1.The man who came to our school is Mr.Wang.2.The girl whom I met is Lucy.3.A child whose parents are dead is called Tom.4.I like the book which you bought yesterday.5.His parents wouldnt let him marry anyone whose family was poor.6.I like the person to whom you just talked.7.We shall never forget the days that we spent together.8.We shall never forget the days when we lived together.,确定关系词在从句中的成分,关系副词引导的定语从句,关系副词可代替的先行词是时间、地点或原因的名词，在从句中作状语。e.g.July and August are the months when the weather is hot.(时间状语)Shes going home where she can rest.（地点状语）Do you know the reason why I left early?(原因状语),判断何时使用关系代词和关系副词：1.先找出先行词。2.分析先行词在从句中充当什么成分。如果从句中缺少主语，宾语(表语)或定语时，选择关系代词；反之选择关系副词。在使用关系副词时要注意先行词指代的内容，指时间时用when，指地点时用where，指原因时用why。,Thank you very much!,