五年級英語下冊《Recycle 2》課件4 人教PEP版 (129)

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？用來說明主句中某一名詞或代詞（有時用來說明主句中某一名詞或代詞（有時也可說明整個主句或主句中一部分）而也可說明整個主句或主句中一部分）而起定語作用的句子叫作定語從句。起定語作用的句子叫作定語從句。 被修飾的名詞或代詞叫被修飾的名詞或代詞叫先行詞先行詞, , 連接定語從連接定語從句和先行詞的連詞叫句和先行詞的連詞叫關系代詞關系代詞或或關系副詞關系副詞. . 關系詞有兩個作用：一、引

3、導定語從句。二、關系詞有兩個作用：一、引導定語從句。二、代替先行詞代替先行詞在其引導的定語從句中充當一定在其引導的定語從句中充當一定的句子成分的句子成分。定語從句一般緊跟在先行詞的定語從句一般緊跟在先行詞的后面。后面。關系代詞在定語從句中關系代詞在定語從句中作主語或賓語作主語或賓語.Mary is a girl who has long hair.先行詞先行詞關系詞關系詞定語從句定語從句Mary is a girl who has long hair.關系代詞關系代詞關系副詞關系副詞which, who, whom, whose, thatWhere, when結構：結構： 先行詞先行詞 +

4、關系詞關系詞 + 句子句子Join the following sentences:A plane is a machine. The machine can fly.A plane is can fly.關系代詞的實質(zhì)關系代詞的實質(zhì)a machine the machineJoin the following sentences:A plane is a machine. The machine can fly.A plane is can fly.關系代詞的實質(zhì)關系代詞的實質(zhì)a machine that /which注意避免重復注意避免重復 定語從句的用法定語從句的用法: :當先行詞是物時

5、當先行詞是物時, , 用用which 或或that引導引導. .These are the trees which/that were planted last year.當先行詞是人時當先行詞是人時, , 用用who, whom, whose, that引導引導.who, whom, whose, that用法區(qū)別用法區(qū)別.who 作定語從句的作定語從句的主語或賓語主語或賓語. The man who is speaking at the meeting is a worker.The man is a worker.The man is speaking at the meeting.分解

6、分解作主語作主語Whom 作定語從句的作定語從句的賓語賓語 The woman whom they wanted to visit is a teacher.The woman is a teacher.They wanted to visit the woman.分解分解作賓語作賓語whose 作定語從句的作定語從句的定語定語. I know the girl whose mother is a teacher.分解分解I know the girl.The girls mother is a teacher.作定語作定語This is a dream.The dream will neve

7、r come true.This is a dream which/that will never come true.The dog has been found.The dog was lost.The dog which was lost has been found.Practise: This is the house which is for sale.2. The book which 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）which / that 作賓語作賓語 ： （可省略）可省

8、略）This is the card.Ive just received the card.This is the card which / that Ive just received.Practise: This is the mistake which /that I always make. I still keep the letters which she wrote to me.1. I lost the pen which my father bought me. ( ) （作賓語）（作賓語）who / that 作主語作主語. (不能省不能省)This is the film

9、 star.The film star is very popular in China.This is the film star who is very popular in China. (作主語作主語) The boy who broke the window is called Roy. Do you know the man who spoke at the meeting yesterday? The girl who is watering the flowers is my cousin./ thatwho / whom / that 作賓語：作賓語：( 可省略可省略)The

10、 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） The thief has been sent to prison. The police caught the thief last night. The thief (whom) the police caught last night has been sent to prison.小結：小結： that 既可指人既可指人

11、,也可指物也可指物,作主語作主語,不能不能省略；作賓語省略；作賓語,可以省略。可以省略。 which指物指物,作主語作主語,不能省略；作賓語不能省略；作賓語,可以省略可以省略. who 指人指人,作主語作主語,不能省略；作賓語不能省略；作賓語,可可以省略以省略,（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： 當先行詞是當先行詞是all, any, few, little, none, anyth

12、ing, everything, nothing , everybody, nobody, everyone, no one 或被它們修飾時?；虮凰鼈冃揎棔r。 Eg: Thats all that I know. Is there anything that I can do for you? He answered few questions that the teacher asked.2. 當先行詞被形容詞最高級或序數(shù)詞修飾時當先行詞被形容詞最高級或序數(shù)詞修飾時 Eg: That is the most interesting book that I have ever read. Th

13、e first thing that I should do is to review my lessons.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。Eg:Thats the only thing that I can do now.These are the very words that he used.4. 當主句以當主句以 who 或或 which開頭時開頭時,定語從句的關定語從句的關系詞用系詞用 that, 而不用而不用 which 或或 who. Eg:Who is the girl that spoke to you

14、just now?Which is the pen that you lost ?5. 先行詞同時包括人或物時先行詞同時包括人或物時,關系詞用關系詞用that.Eg: The man and his dog that I always meet are standing by the gate. 只能用只能用which/who,不用不用that的情況的情況(1) “介詞關系代詞介詞關系代詞”結構中的介詞是結構中的介詞是in, on, about, from, for, with, to at, of, without 等等,關系代詞只可用關系代詞只可用whom或或 which,不可用不可用th

15、at 。 Eg: Is that the house in which you live ? (2)非限定性定語從句中。非限定性定語從句中。Eg: He has a daughter, who works in a hospital.(3)先行詞本身是先行詞本身是that。 Eg: The clock is that which tells the time.Exercise 1 :用關系代詞填空用關系代詞填空 The boy _ is playing ping-pong is my classmate. The e-mail _ I received yesterday was from m

16、y sister. I hate people _ talk much but do little. The car _ my father bought last month is very beautiful.who / thatwhich/ thatwho / thatwhich / that5. 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.

17、Ive never heard of the people and things _ you talked about just now.whosewhosewhich that當先行詞同時指人和物時,關系代詞只能用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?thatthatthat當先行詞是somethin

18、g, anything, nothing, all 等詞時,關系代詞只能用that.4.This is the first play _ I have seen since I came here.5. This is the best novel _ I have read.thatthat當先行詞被序數(shù)詞序數(shù)詞,最高級最高級等詞修飾時,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

19、的特殊疑問句,而中心詞指人或物時,關系代詞只能用that.thatthat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.She was married on that day.She will never forget the day when (=on which) she was married.It was the year.The World War I broke out in the year.It was the year when (= in which) the World Wa

20、r I broke out.When = 介詞介詞 + which where 作地點狀語作地點狀語,I want to know the place.I was born there.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 作原因狀語作原因狀語, 其先行詞常常是其先行詞常常是the reason.That is the reason why(= for whic

21、h) Im late.I know the reason why he said it.why = for which1.I like to live in the house _ big and bright. that are B. who is C. which is2.The young lady _ we met yesterday is our maths teacher.A.what B. whose C. who D. which3.Tom never took anything _ didnt belong to him.A.which B.that C.who D.whos

22、eCCB4.All _ comes to net is fish A.that B.what C. which D. who5.The bus ran over a student and his dog _ just crossing the road. that was B.which were C. that were6. Do you know the music with _ we can sing along ?A.Which B.that C.what D.who ACA用合適的關系詞填空：用合適的關系詞填空： 1.The man _ is talking with my mot

23、her is my uncle. 2.That book is the one _ I bought yesterday 3.He is one of the workers _ has been saved in that accident.4.This is the girl _ brother is Tom5.They talked of the things and persons _ they remembered. whothat that who whose that I love music _I can sing along with.I love music with _ I can sing along. thatwhichwhich2. I love the persons. I can play with them.I love the persons whothat I can play wth.I love the persons with _ I can play.whom1.I love music. I c