1、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

2、 Chinese.I dont like the man who is smoking.Where is the picture that you bought last week?什么是定語從句呢？什么是定語從句呢？修飾前面某一名詞或代詞的從句修飾前面某一名詞或代詞的從句叫定語從句。被修飾的詞叫先行叫定語從句。被修飾的詞叫先行詞，引導定語從句的詞叫關系詞。詞，引導定語從句的詞叫關系詞。結構：結構： 先行詞先行詞 + 關系詞關系詞 + 句子句子The man who lives next to us is a policeman.先行詞先行詞_ 關系詞關系詞_ 定語從句定語從句_關系關系詞詞關

3、系代詞關系代詞: that, which, who, whom, whose關系副詞關系副詞: when, where, why關系代詞：關系代詞： 指物：指物：that（主語（主語/賓語）賓語） which（主（主語語/賓語）賓語） 指人：指人：who (主語主語/賓語賓語) that （主語（主語/賓語賓語） whom（賓語）（賓語）whose指所屬關系指所屬關系關系代詞關系代詞that, which引導的定語從引導的定語從句句: 如果如果先行詞先行詞是表示物的是表示物的名詞或代名詞或代詞詞，關系代詞應用，關系代詞應用that、which. (作作主語主語或或賓語賓語)This is a

4、dream.The dream will never come true.This is a dream which/that will never come true.The dog has been found.The dog was lost.The dog which/that was lost has been found.Practise: 1.This is the house _ is for sale.2. The book_ is lying on the floor is mine.which / that 作主語作主語. (不能省不能省)（作主語）（作主語）（作主語）（

5、作主語）which/thatwhich/thatwhich / that 作賓語作賓語 ： （可省略）可省略）This is the card.Ive just received the card.This is the card which / that Ive just received.Practise:1.This is the mistake _ I always make.2. I still keep the letters_ she wrote to me. （作賓語）（作賓語）which /thatwhich /that關系代詞關系代詞who, that, whom引導的定引

6、導的定語從句語從句: 如果如果先行詞先行詞是表示人的名詞或代是表示人的名詞或代詞，關系代詞應用詞，關系代詞應用who, that (作作主語主語或或賓語賓語)whom (作作賓語賓語)who / that 作主語作主語. (不能省不能省)This is the film star.The film star is very popular in China.This is the film star who/that is very popular in China. (作主語作主語)1.The boy _ broke the window is called Roy.2. Do you kn

7、ow the man_ spoke at the meeting yesterday?who/thatwho/thatwho / whom / that 作賓語：作賓語：( 可省略可省略)The man is a famous writer. He described the man just now.The man ( who/ whom/ that ) he described just now is a famous writer. (作賓語）作賓語）1.The boy _ I m looking for is my friend. 2.The thief _ the police ca

8、ught last night has been sent to prison(監獄監獄).( who/ whom/ that )( who/ whom/ that )小結：小結： that 既可指人，也可指物，作主語，不既可指人，也可指物，作主語，不能省略；作賓語，可以省略。能省略；作賓語，可以省略。 which指物，作主語，不能省略；作賓指物，作主語，不能省略；作賓語，可以省略語，可以省略. who 指人，作主語，不能省略；作賓語，指人，作主語，不能省略；作賓語，可以省略可以省略,（常用（常用whom）注注:當關系代詞在定語從句中作主語時當關系代詞在定語從句中作主語時,定語定語從句的謂語動

9、詞形式由先行詞定。從句的謂語動詞形式由先行詞定。只能用只能用 that , 不用不用 which, 常見的情況有五種：常見的情況有五種：1.當先行詞是當先行詞是 all, any, few, little, none, anything, everything, nothing , everybody,nobody, everyone, no one 或被它們修飾時。或被它們修飾時。 Thats all_ I know. Is there anything _ I can do for you? 2. 當先行詞被形容詞最高級或序數詞修飾時當先行詞被形容詞最高級或序數詞修飾時That is th

10、e most interesting book _I have ever read.The first thing_ I should do is to do my lessons.(that )(that)（that）(that)3. 當先行詞有當先行詞有the very, the only, the same等修等修飾時。飾時。Thats the only thing _ I can do now.4. 當主句以當主句以 who 或或 which開頭時，定語從句的開頭時，定語從句的關系詞用關系詞用 that, 而不用而不用 which 或或 who.Who is the girl _ sp

11、oke to you just now?Which is the pen _ you lost ?(that)that(that）5. 先行詞同時包括人或物時，關系詞用先行詞同時包括人或物時，關系詞用that.The man and his dog _ I always meet are standing by the gate.(that)whose 作定語作定語,表示所屬關系。表示所屬關系。 The boy is my classmate. The boys father is a policeman.The boy whose father is a policeman is my cl

12、assmate.練一練 A child _ parents are dead is called an orphan( 孤孤兒兒). A. who B. whose C. whos D. whichExercise 1 :用關系代詞填空用關系代詞填空1. The boy _ is playing ping-pong is my classmate.2. The e-mail _ I received yesterday was from my sister.3. I hate people _ talk much but do little.4. The car _ my father bou

13、ght 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.w

14、hosewhosewhich that當先行詞同時指人和物時，關系代詞只能用that.Exercise 2. 1. My father and his teacher talked a lot about the persons and things _ they couldnt remember.2. Say all _ you know.3. Is there anything _ I can do for you?（that）(that）（that）當先行詞是something, anything, nothing, all 等詞時，關系代詞只能用that.4.This is the f

15、irst play _ I have seen since I came here.5. This is the best novel _ I have read.（that）（that）當先行詞被序數詞，最高級序數詞，最高級等詞修飾時，關系代詞只能用that.6.Who is the girl _is standing under the tree?7. Which is the machine _ we used last Sunday.當主句是who或或which 引導的特殊疑問句引導的特殊疑問句，關系代詞只能用that.that（that)1)This is the hero( who

16、m/that/who) we are proud of. This is the hero of whom we are proud . 2)The room (that/which) I live in is very big.The room in which I live is very big.注意注意: 介詞提前時介詞提前時,指物只能用指物只能用which, 指人只用指人只用whom。且不可省略且不可省略關系副詞：關系副詞：when/ where/why when 作時間狀語作時間狀語:She will never forget the day when (=on which)she was married.It was the year when (= in which) he was born .When = 介詞介詞 + which where 作地點狀語作地點狀語I want to know the place where (= in which) I was born.The table where (= at which ) she is sitting is a new one.where = 介詞介詞 + whichwhy 作原因狀語作