定语从句：是指在复合句中，定语从句：是指在复合句中，修饰修饰 或或 的从句的从句.被定语从句所修饰的名词或代被定语从句所修饰的名词或代词叫做词叫做“”“”.引导定语从句的词叫引导定语从句的词叫“”“”名词名词代词代词先行词先行词关系词关系词How many kinds of Attributive Clauses are How many kinds of Attributive Clauses are there?there?定定语语从从句句The Restrictive Attributive Clause限制性定语从句限制性定语从句The Non-Restrictive Attributive Clause非限制性定语从句非限制性定语从句引导定语从句的关系词引导定语从句的关系词指代人指代人 指代事物指代事物 所属关系所属关系 指地点指地点 指时间指时间 指原因指原因 who，whom，thatwhich，thatwhose，of whichwherewhenwhy关关系系代代词词关关系系副副词词关系代词的用法关系代词的用法关系代词在从句中可以：关系代词在从句中可以：何时可以省略？何时可以省略？做宾语时可以省略做宾语时可以省略关系代词前看先行是人或物，后看从句有无宾主。
前看先行是人或物，后看从句有无宾主先行指物用先行指物用that/which,先行指人用先行指人用whom/who.whose通常作定语通常作定语”.的的”，人，物两者都兼顾人，物两者都兼顾物作先行物作先行that/which,人作先行人作先行that/whom/who作宾语都可省作宾语都可省巧学妙记巧学妙记Join the following sentences:A plane is a machine.The machine can fly.关系代词的实质关系代词的实质Join the following sentences:A plane is a machine.The machine can fly.A plane is can fly.关系代词的实质关系代词的实质a machine the machineJoin the following sentences:A plane is a machine.The machine can fly.A plane is can fly.关系代词的实质关系代词的实质a machine that/which关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.herThe girl关系代词的实质关系代词的实质Join the following sentences:The girl is Mary.We saw her yesterday.we saw yesterday is Mary.that/who/whomThe girl注意避免重复注意避免重复Which house is mineWhich house is mine?房顶是棕色的房顶是棕色的房子是我的。
房子是我的The house _ is mine.whose roof is brownMy houseCorrect the mistakes1.Under the big tree are 34 students,many of them come from class two.2.My mother has a good book,which cover looks terrible.3.This is the very pen that you gave it to me before.4.There is an old woman,that is holding a stick.whomwhoseitwho 1.that 1.that 与与whichwhich1.Nothing _ can be done has been done.2.Do you have anything _ you dont understand?先行词是先行词是everything,nothing,anything,everything,nothing,anything,something,much,little,nonesomething,much,little,none等不定代词，引等不定代词，引导定语从句用导定语从句用thatthatthatthat1.This is the best TV _ is made in China.2.The first museum _ he visited in China was the History Museum.thatthat先行词被形容词最高级或序数词修饰时，引导定语从句用that。
1.that 1.that 与与whichwhichIve read all the books _ you lent me.that先行词被先行词被any,some,no,much,any,some,no,much,few,little,every,all,the very,few,little,every,all,the very,the only,last the only,last 修饰时修饰时,引导定引导定语从句用语从句用that that1.that 1.that 与与whichwhich1.The famous writer and his works _ the radio broadcast have aroused great interest among the students.2.A victim is a person,animal or thing _ suffers pain,death,harm,etc.先行词中既有人又有事物时，先行词中既有人又有事物时，引导定语从句用引导定语从句用that.that.thatthat 1.that 1.that 与与whichwhich1.Who _ you have ever seen can do it better?主句是主句是Who,WhichWho,Which引导的特殊疑问引导的特殊疑问句，引导定语从句，引导定语从句用句用thatthatthat 1.that 1.that 与与whichwhich1.Her bag,in _ she put all her money,has been stolen.2.This is the ring on _ she spent 1000 dollars.3.Xiao Wang,with _ I went to the concert,enjoy it very much.whichwhichwhom在介词后面，指事物在介词后面，指事物用用whichwhich，指人用，指人用whomwhom费限制性定语从句中费限制性定语从句中有逗号不能用有逗号不能用thatthat 1.that 1.that 与与whichwhich只用只用who的情况的情况One _ has nothing to fear dares to tell the truth.The ones _ laugh at the disabled are not good students.Anyone _ fails to finish the task should be punished.Those _ want to go to The Great Wall sigh up here.whowhowhowho先行词是先行词是one,ones,anyone,those时用时用who.1）、看定语从句中动词与介词的搭配）、看定语从句中动词与介词的搭配This is the book_ which you asked注意：动词短语不能拆开即介词不能提前 forThe old man whom I am looking after is better.如何判断介词如何判断介词2）、看定语从句中形容词与介词的搭配）、看定语从句中形容词与介词的搭配He referred me to some reference books _ which I am not very familiar.with如何判断介词如何判断介词3）、根据先行词判断，所用的介词与先行词）、根据先行词判断，所用的介词与先行词 搭搭配配This is our classroom ,_ which there is a teachers desk.in the front of如何判断介词如何判断介词whose 引导的定语从句引导的定语从句表示所属关系表示所属关系 The river _ banks are covered with trees flows to the sea.whose3 Whose 的使用的使用In this class there are 20 students,_ are different.lA.whose backgrounds lB.The backgrounds of whomlC.of whom the backgrounds lD.the backgrounds of whoseWhose 的使用的使用Whose+n.可以用可以用the+n.+of+whom/which替代替代The earth is round,_ we all know._ is known to all,the earth is round_ is known to all that the earth is round.as AsIt定语从句在句首时只能用定语从句在句首时只能用as,as as,as 具有正如之意，与之搭配的动具有正如之意，与之搭配的动词一般是固定的词一般是固定的4 as 的使用的使用lThis is the same book as I lost.lThis is the same book that I lost.这本书和我丢的那本一模一样。
这本书和我丢的那本一模一样这本书就是我丢的那本这本书就是我丢的那本as 的使用的使用This is such an interesting book _ we all like.This is so interesting a book _ we all like.asas这是大家都喜欢的如此有趣的一这是大家都喜欢的如此有趣的一本书定语从句定语从句as 的使用的使用This is such an interesting book _we all like it.This is so interesting a book _we all like it.thatthat这本书如此有趣，大家都喜欢这本书如此有趣，大家都喜欢结果状语从句结果状语从句as 的使用的使用1.It is very useful to master a foreign language,_ has been said before.which 2 _ everyone hoped,Mary has won the first prize.Asas as引导定语从句可放在句首，句中，引导定语从句可放在句首，句中，句末，句末，而而which 引导定语从句不能引导定语从句不能放在句首放在句首.as译为正如，好像。
译为正如，好像which which 则没有此义则没有此义as 的使用的使用）Ill never forget the day _ we first met in the park.）Ill never forget the time _ I spent with you.）Ill never forget the time _ was spent with you.）This is the museum _I visited last year.5)This is the museum _I met her.whenwhichthatwhichthatwhichthatwhereThis is the reason _(=for which)I didnt come here.The reason _ she gave was not true.whywhich/that指时间，地点或原因的先行词在定语从句指时间，地点或原因的先行词在定语从句中作主语或宾语，用中作主语或宾语，用which或或that引导定引导定语从句6 定语从句中的动词的数定语从句中的动词的数He is the only one in his class who _(have)got the teachers praise He is one of the students in his class who _(have)got the teachers praise hashave关系词在定语从句中做主语时，谓语动词的数取决于先行词非限制性定语从句 对对主句内容做补充说明，书写常用主句内容做补充说明，书写常用“，”隔开。
隔开Eg:Tom,who was a student in America,wrote the book.关系代词引导关系代词引导 Eg:She came to the kitchen,where her mother was cooking.关系副词引导关系副词引导 限制性定语从句一般只修饰先行词，而非限制限制性定语从句一般只修饰先行词，而非限制性定语从句可修饰先行词也可修饰整个句子性定语从句可修饰先行词也可修饰整个句子Eg:I finished the book that I bought yesterday.Eg:She failed in the exam again,which made her mother very angry.She has a son who is a doctor.She has a son,who is a doctor.There are 67 students,all of are working hard.There are 67 students,half of are working hard.There are 67 students and all of are working hard.不止一个不止一个只有一个只有一个whomwhomthemCorrect the sentences:1.Im using the pen which he bought it yesterday.2.The man whom I spoke is from Canada.3.July 1,1999 is the day when well never forget.tothat4.Im going to work in the hospital where needs me.whichCorrect the sentences:5.Miss Chen is the only one of the few teachers who give us wonderful English lessons in our school.givesCorrect the sentences:6.Taiwan,that we know,belongs to China.7.The bike by which I travelled was his.asonCorrect the sentences:ThankThank youyouGoodbyeGoodbye。