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1、Unit 4 Natual DisastersPeriod 3 Discovering Useful Structures导学案姓名： _ 班级： _1. To master the basic usages of the restrictive relative clauses.2. To learn to use the restrictive relative clauses mentioned flexibly.1. To appreciate the function of the restrictive relative clauses.2. To write essays usi
2、ng the proper the restrictive relative clauses.Step1: 语法自主探究定语从句（一）-关系代词的用法在复合句中, 修饰名词或代词的从句叫_。定语从句通常由_或关系副词引导，说明事物的具体信息，从句位于被修饰词_。被定语从句修饰的词叫_, 引导定语从句的词叫_，关系词指代先行词，并在定语从句中充当成分。关系词有两种: 关系代词_和关系副词when, where, why。根据定语从句与先行词的关系，可将定语从句分为_和非限制性定语从句。一般说来，限制性定语从句是整个句子_的部分，如果省略会影响全句的主要意思，这种定语从句前面不用_隔开；而非限制性
3、定语从句的作用是对所修饰的成分作进一步说明, 通常和主句用逗号隔开, 将从句去掉后句子的意思仍然完整，译成汉语时, 从句常单独译成一句话，除了that和why不能引导非限制性定语从句，其他关系词的用法和限制性定语从句关系词的用法相同。关系代词的用法一判断定语从句的关系代词的方法：如果名词或代词后有一个句子，并且该名词或代词在句子中充当成分，则该句子就是定语从句。主要按照以下三步来判断：1.找准_（定语从句前的名词或代词）。2.把先行词还原到定语从句中，看充当_。3.根据先行词在定语从句中所充当的成分以及句意来选用适当的_。如果先行词在从句中作主语，宾语，定语，表语，则用_，关系代词主要有who
4、, whom ,whose, that, which, as。二关系代词的基本用法指代关系代词以及在定语从句中充当的成分例句1.人who(_、_)whom(_)that(_、_)The man _ is speaking at the meeting is a famous scientist. （作is speaking的主语）在会上讲话的人是一位著名的科学家。He _ does not reach the Great Wall is not a true man. （作does not reach的主语） 不到长城非好汉。This is the famous scientist (_) w
5、e visited last week. （作visited的宾语）这就是我们上周拜访的那位著名科学家。2.物that(_、_)which(_、_)He finally worked out the problem _ puzzled him for a long time. （作puzzled的主语）他最后解出了这个令他困惑很久的问题。The fish (_) we bought yesterday were not fresh. （作bought的宾语）我们昨天买的鱼不新鲜。3.人的；物的whose(_)They rushed over to help the man _ car brok
6、e down. （whose car=the mans car，作定语，修饰car）他们跑过去帮助那个汽车抛锚的人。There is a mountain _ top is always covered with snow.( whose top=the mountains top，作定语，修饰top)有一座山顶常年被雪覆盖的山。4.句子（在非限制性定语从句中）which(_、_)as(_、_)The weather turned out very good, _ was more than we could expect. （which指代“天气最后晴朗起来”，作was的主语）天气最后晴朗起
7、来，这是我们没有料到的。_ everyone knows , China is a beautiful country with a long history . （As指代“中国是一个有着悠久历史的美丽国家”，作knows 的宾语）每个人都知道，中国是一个有着悠久历史的美丽国家。三关系代词易错点：1.关系代词的省略关系代词在定语从句中作_时，不可省略；做宾语时，在限制性定语从句中可以省略，在非限制性定语从句中不可省略。Is he the man who /that wants to see you?( 作wants的主语不可省略)他就是那个想见你的人吗？Hangzhou is a beaut
8、iful city(_)I always want to visit.（在限制性定语从句中作visit的宾语，可以省略）杭州是我总想参观的一个美丽城市。Hangzhou ,_ I visited last week, is a beautiful city.（在非限制性定语从句中作visited的宾语，不可省略）杭州是一个美丽的城市，我上周去参观过。2.从句中代词的重复多余定语从句中的引导词指代先行词，并在从句中作成分，从句中不能再出现指代该先行词的代词。判断正误The book that I read it yesterday is very interesting.（）The book t
9、hat I read yesterday is very interesting.（）This is the woman who I met her last time.（） This is the woman who I met last time. （）3.关系代词和代词的误用定语从句的引导词要用关系代词，而不能用一般代词。判断正误This is the boy he told me a story yesterday. （）This is the boy who told me a story yesterday. （）This is the boy his father is our
10、headmaster. （）This is the boy whose father is our headmaster. （）4.what不引导定语从句定语从句中有关系代词that和which ，而没有what ，what 可以引导名词性从句。All that we need is a supply of oil. (that引导定语从句，修饰先行词all)What we need is a supply of oil. (what引导主语从句) 我们需要的是石油供应。5.that不引导非限制性定语从句（用逗号隔开）在非限制性定语从句，不能用关系代词that。如果指代“人”，用关系代词who
11、/ whom，指代“物”，用关系代词which。The basketball star, _ tried to make a comeback, attracted lots of attention. 这位打算复出的篮球明星引起了很多关注。Beijing, _is the capital of China, is a beautiful city. 中国的首都北京是座美丽的城市。He has become a doctor, _ he wanted to be. 他成为了一名医生，这是他以前一直梦想的。6.介词+which/whom先行词在从句中作介词宾语，若介词提前，指代物时，只能用whi
12、ch，不用that； 指代人时，只能用whom，而不用who。介词不提前时，用that/which, who /whom都可以。I have the book about _ you are talking. = I have the book (that/ which) you are talking about.我有你现在谈论的那本书。The man with _ I talked just now is from Beijing University.= The man( who / whom/that) I talked with just now is from Beijing Un
13、iversity.刚才和我谈话的那个人是从北京大学来的。7.whose+n.= the+n +of which=of which+the+n.whose+n.可与the+n +of which互换，而且of which也可置于名词之前，名词之前必须有定冠词the。I live in the room _ window faces south.( whose window=the rooms window) I live in the room the window of _/ of which the window faces south.( the window of which= the
14、window of the room)我住在窗子朝南开的房间里。8. 定语从句中的主谓一致:关系代词在定语从句中做主语时，定语从句的谓语通常与先行词在人称和数上保持一致。注意：当先行词为“one of +复数名词” 时定语从句的谓语动词用复数形式；当先行词为“the (only/very)one of +复数名词” 时定语从句的谓语动词用单数形式。He is a good student _ likes to help others.他是一个乐于助人的好学生。They are good students _ like to help others.他们是乐于助人的好学生。He is one o
15、f the students _ praised.他是一个受到表扬的学生之一。He is the one/ the only one of the students _ praised. 他是唯一一个受到表扬的学生。三易混的关系代词辨析：（一）that 和 which1.用that，不用which的情况当先行词为不定代词：everything, anything, nothing, all, any, much, many, some, few, little, none等或当先行词被no, some, any, all, much, little等词修饰时，只能用that。To get th
16、e job started, all that I need is your permission.要开始工作，我所需要的是你的许可。Is there anything that I can do for you?有什么要我做的事吗?He answered few questions that were asked by the reporters.他几乎没有回答记者提问的问题。当先行词被the only, the very, the same等词修饰时。Thats the only thing that we can do now.目前我们只能这样了。This is the very pen
17、 that I am looking for. 这正是我找的钢笔。He still lives in the same house that we visited ten years ago. 他还住在十年前我们参观的同一座房子里。当先行词被序数词、形容词最高级修饰时。This was one of the most interesting books_ were sold in this book store.这是这家书店售出的最有趣的书之一。The first thing _ should be done is to get some food.该做的第一件事是弄点吃的。当先行词中同时包括
18、人和物时。Im going to talk about the countries and people _I have visited. 我要谈论一下我所访问的国家和人民。当要避免与疑问词which重复时。 Which is the T-shirt_ fits me most?那件体恤衫最适合我？2.用which，不用that的情况在非限制性定语从句中Football, _ is an interesting game, is played all over the world.全世界都踢足球，它是一项有趣的运动。介词提前时，不用that，而用which，介词不提前时，用that和which
19、都可。This is the room in _ my father lived last year. = This is the room (that/ which) my father lived in last year. 这是我父亲去年居住过的房子。（二）which和 as（引导非限制定语从句，指代整个主句内容）1.位置上的区别：as引导的从句可放在主句首、句末或句中。而which引导的从句只能放在主句之后。 _is known to us all, the earth turns around the sun. The earth, _ is known to us all, tur
20、ns around the sun. The earth turns around the sun, _is known to us all. 众所周知，地球绕着太阳转。2.语义的区别：as有“正如”之意，因此主句和从句语义一致，而which表示“这一点” 在意义上相当于一个并列句，可以用and this代替，在语义上可以不一致。Mike won the first prize, _ was expected. 正如所料想的, 迈克获得了一等奖。Mike won the first prize, _ was not expected. 迈克获得了一等奖，这一点没被料想到。四as引导的定语从句的
21、用法（一）as引导的定语从句1. 在限制性定语从句中，先行词有such, so, as, the same修饰时，引导词用as。比较：I have never read the book that you have talked about. 我从未读过你谈到的这本书。I have never read such an interesting book as you have talked about. = I have never read so/ as interesting a book as you have talked about. 我从未读过像你谈到的这样有趣的书。2. 在非限制
22、性定语从句中，指代整个主句内容。As we know, she is a good teacher.我们都知道她是一个好老师。Lily, as we expected, won the first prize in the competition yesterday. 像我们所期望的那样, 莉莉在昨天的比赛中获得了一等奖。（二）易混句式辨析1. such/ soas和such/ sothatsuch/soas表“像这样的”，用来引导定语从句（as在从句中充当主、宾或表语等）such/sothat表示“如此.以致”，用来引导结果状语从句。This is such a heavy stone _n
23、o one can lift.（作lift的宾语，是定语从句）This is such a heavy stone _ no one can lift it. （不缺成分，是结果状语从句）这是一块如此重的石头，没人能搬得动。2. the sameas和the samethatthe sameas表示“类似的一个，而不是同一个”（相似性）the samethat表示“同一个”（同一性）I have bought the same watch _ you have. 我买了一块和你的一样的手表。（相似的，非同一个）This is the same watch _ I lost. 这就是我丢的那块手
24、表。（同一个）一名言背诵1.千里之行,始于足下。2.谁笑到最后,谁笑得最美。3.世上无难事,只要肯登攀。4.自助者天助之。5.闪光的不都是金子。二用正确的关系代词填空1. The trees _ stand by the river were planted by us.2. She never gives in to those _ have money. 3. This is the best film _ has been shown so far in the city.4. February is the only month _ has fewer than 30 days.5.
25、My son made notes of everything _ he read.6. Yesterday I met the teacher _ once taught us maths.7. Will you show me the girl _ name is Wei Fang?8. The tall girl _ is standing there is a friend of my elder sisters.9.The foreigner _ visited our class yesterday is from Canada.10 Please pass me the book
26、 _is lying on the table.11. - Class, you should be thankful to those people _ helped and supported you.- We will. Miss Chen.12. -Is this the new dictionary_ you got yesterday?-Yes. Now its very convenient for me to look up words.13.-Do you know the student _got an A in the English exam?-Of course. S
27、he is my deskmate, Li Hong14. I really like the family photo _ we took on my grandpas 80th birthday. 15. My grandparents like stories _ endings are happy.16.Yuan Longping is a Chinese rice scientist _ is leading a search to develop “sea rice”.17.The teacher _I like best often encourages me to fight
28、for my dream.18. Jack likes being with the classmates _are outgoing and kind.19. A kind of shared bike _is called bluegogo is getting more and more popular in Chengdu.20. Tu Youyou is the woman _ used the plants special power to save millions of lives.21.His parents wouldnt let him marry anyone _ fa
29、mily was poor.22.It is the third time that she has won the race, _ has surprised us all.23.Can you remember the scientist and his theory _ we have learned?24.Until now, we have raised 50, 000 pounds for the poor children, _ is quite unexpected. 25. _ is reported , the number of smokers has dropped b
30、y 17 percent in just one year. 26. Yesterday Mr. Green went to his hometown and visited the old house in _ he was born.27. The man, from_ I learned the news, is an engineer. 28. Do you like the weekly talk show The Readers on CCTV? SureIt s a great TV program _ purpose is to bring the habit of readi
31、ng back into the public.29. Children _ diet is high in fat will gain weight quickly. 30. After graduating from college, I took some time off to go travelling, turned out to be a wise decision. 三单项选择1.-Qingdao is the most beautiful city _ Ive ever been to.-So it is. Many international meetings are he
32、ld there every year.A. that B. which C. what2.-Have you watched the play “In the name of People” ? -Its the most popular play _our Partys trying to struggle against corruption（腐败）.A. where; show B. which ;show C. that ;shows D. who ;shows 3.We are talking about the piano and the pianist _were in the
33、 concert last night.A. that B. which C. who D. whom4.一CCTV has produced a TV show-Chinese Poetry Competition. Have you seen it? 一Sure. Wu Yishu, 16, _studies at the High School Affiliated to Fudan, is the winner. A. which B. where C. who D. whom5. According to a survey, people _ are able to speak tw
34、o languages can manage two things at the same time more easily. A. whichB. whom C. whoseD. who 6.She often parks her car near the house _ she can easily get to.A. where B. whoC. which D. what7.We should look up to those scientists sent Tianzhou-1 Cargo Spaceship to space.A. which B. who C. what8. Id
35、 like to tell you about the table manners _ you should know when you visit France.A. which B. who C. what D. how9.Roald Dahl was a great childrens writer. His dark past helped him paint a picture was different to most other writers. A. that B. who C. / D. whom 10. What kind of movies do you prefer?
36、I prefer the movies _ me something to think about. A. which give B. that gives C. that gives D. who gives11. She is the girl _ brother is studying abroad .A. that B. who C. whose D. whom 12. Everyone _ is a server knows that customers always come first. A. whom B. what C. who D. which 13. -Only You
37、is a TV program _is popular with most young people.-Yes, it is definitely true.A. thatB. whoseC. whatD. who14. You are talented young adults_ full of hope for the future.A. who; isB. whom; isC. whom; areD. who; are15. This is a heartwarming story about a boy_ saved his mothers life.A. which B. who C
38、. whose D. whom16. Ive become good friends with several of the students in my school _ I met in the English speech contest last year. A. who B. where C. when D. which 17. Many children, parents are working in big cities, are taken good care of in the villageA. their B. whose C. them D. whom18. As a
39、child, Jack studied in a village school, _ is named after his grandfather. A. which B. where C. what D. that 19. His movie won several awards at the film festival, was beyond his wildest dream. A. whichB. thatC. whereD. it20. She is one of the teachers _ much teaching experience.A. who; has B. who;
40、have C. whom; has D. whom; have【答案】Step1: 语法自主探究定语从句（一）-关系代词的用法在复合句中, 修饰名词或代词的从句叫_。定语从句通常由_或关系副词引导，说明事物的具体信息，从句位于被修饰词_。被定语从句修饰的词叫_, 引导定语从句的词叫_，关系词指代先行词，并在定语从句中充当成分。关系词有两种: 关系代词_和关系副词when, where, why。定语从句; 关系代词; 之后; 先行词; 关系词; who, whom ,whose, that, which, as根据定语从句与先行词的关系，可将定语从句分为_和非限制性定语从句。一般说来，限制性定
41、语从句是整个句子_的部分，如果省略会影响全句的主要意思，这种定语从句前面不用_隔开；而非限制性定语从句的作用是对所修饰的成分作进一步说明, 通常和主句用逗号隔开, 将从句去掉后句子的意思仍然完整，译成汉语时, 从句常单独译成一句话，除了that和why不能引导非限制性定语从句，其他关系词的用法和限制性定语从句关系词的用法相同。限制性定语从句; 不可缺少; 逗号关系代词的用法一判断定语从句的关系代词的方法：如果名词或代词后有一个句子，并且该名词或代词在句子中充当成分，则该句子就是定语从句。主要按照以下三步来判断：1.找准_（定语从句前的名词或代词）。2.把先行词还原到定语从句中，看充当_。3.根
42、据先行词在定语从句中所充当的成分以及句意来选用适当的_。先行词; 什么成分; 引导词如果先行词在从句中作主语，宾语，定语，表语，则用_，关系代词主要有who, whom ,whose, that, which, as。关系代词二关系代词的基本用法指代关系代词以及在定语从句中充当的成分例句1.人who(主语、宾语)whom(宾语)that(主语、宾语)The man who/that is speaking at the meeting is a famous scientist. （作is speaking的主语）在会上讲话的人是一位著名的科学家。He who/that does not reach the Great Wall is not a true man. （作does not reach的主语） 不到长城非好汉。This is the famous scientist (who/whom/that) we visited l