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1、区别：区别：She is so lovely a girl as everybody likes.She is so lovely a girl that everybody likes her.前一句是前一句是_ 从句，后一句是从句，后一句是_从句。从句。定语定语结果状语结果状语6.关系词关系词as引导的定从引导的定从1. as引导的定从，先行词前有引导的定从，先行词前有such和和the same修饰时，关系代词用修饰时，关系代词用as,不能用不能用which. Such teachers as know Tom think him smart.Ill buy the same dicti
2、onary as you have.which与与as引导的定从时的区别引导的定从时的区别2. as引导的定从，可放在主句前，也可引导的定从，可放在主句前，也可放在主句后。这样的句子，往往有放在主句后。这样的句子，往往有“正如正如一样一样”之意。之意。As is well known, the earth goes around the sun.而而which引导的定从只能放在主句后，引导的定从只能放在主句后，且没有且没有“正如正如一样一样”之意。之意。 He has to work on Sunday, which he doesnt like. which与与as引导的定从时的区别引导的定
3、从时的区别as多用于下列习惯用语中多用于下列习惯用语中as anybody can see 正如人人都能看到的那样正如人人都能看到的那样as is well known = as is known to all 众所周知众所周知as we had expected 正如我们所预料的那样正如我们所预料的那样as often happens 正如经常发生的那样正如经常发生的那样as has been said before 如上所述如上所述as is mentioned above 正如上面提到的正如上面提到的1.The earth is round, _ we all know.2._ is k
4、nown to all, the earth is round.3._ is known to all that the earth is round.4.Being a volunteer is such a privilege _ we all want to have.5.Being a volunteer is such a privilege _ we all want to have it.asAsIt巩固练习六：在空白处填入正确的代词巩固练习六：在空白处填入正确的代词asthat7.限制性定语从句与非限制性定语从句限制性定语从句与非限制性定语从句 1. 限制性定语从句对先行词起限
5、制、限制性定语从句对先行词起限制、确定的作用，是先行词不可缺少的确定的作用，是先行词不可缺少的定语，如果省去，主句的意思就会定语，如果省去，主句的意思就会不完整，不明确或不合逻辑。这种不完整，不明确或不合逻辑。这种定语从句和主句之间不能用逗号隔定语从句和主句之间不能用逗号隔开。开。This is the best book that I have read. 2. 非限制性定语从句和先行词关系松散非限制性定语从句和先行词关系松散，只是对先行词作附加说明，如果省去，只是对先行词作附加说明，如果省去，主句的意思仍然完整或清楚。这种定语主句的意思仍然完整或清楚。这种定语从句和主句之间须用逗号隔开。如
6、：从句和主句之间须用逗号隔开。如：My watch, which is very old, stopped again.非限制性定从的关系代词指人时只能非限制性定从的关系代词指人时只能用用who (主语主语), whom (宾语宾语) ，指物时，指物时只能用只能用which。(3) 限制性定语从句的先行词总是一个名限制性定语从句的先行词总是一个名词或一个代词，而非限制性定语从句的先词或一个代词，而非限制性定语从句的先行词可以是一个词，也可以是部分或整个行词可以是一个词，也可以是部分或整个主句的意思。此时，一般用关系代词主句的意思。此时，一般用关系代词as或或which引导。引导。He is a
7、lways praised by his teacher, which made other students unhappy.(4) 在非限制性定语从句中，不能省略关在非限制性定语从句中，不能省略关系代词，而在限制性定语从句中则可以。系代词，而在限制性定语从句中则可以。I dont know the man (that/who/whom) you are helping.八八. 关系副词关系副词when, where和和why的用法的用法八. 关系副词的基本用法关系关系副副词词指代的先行指代的先行词词充当从句充当从句的成分的成分when表表时间时间的名的名词词/名名词词组词词组时间时间状状语
8、语where表地点的名表地点的名词词/名名词词组词词组地点状地点状语语why表原因的名表原因的名词词原因状原因状语语用关系副词用关系副词when时，先行词指时间，时，先行词指时间，when在定语从句中作时间状语，在定语从句中作时间状语，when可换成可换成“介词介词+关系代词关系代词”。如：。如：I still remember the day when (= on which) I first came to Nanjing.My father was born in the year when (= in which) World War broke out.1. when1. when用
9、关系副词用关系副词where时，先行词指地点，时，先行词指地点，where在定语从句中作地点状语，在定语从句中作地点状语，where可换成可换成“介词介词+关系代词关系代词”。如：。如：This is the farm where (= on which) we worked when we were young.The school where (= in which) his mother teaches is in the west of the city.2. where2. where用关系副词用关系副词why时，先行词指原因，时，先行词指原因，why在定语从句中作原因状语，在定语从
10、句中作原因状语，why可换成可换成“介词介词+关系代词关系代词”。如：。如：There are several reasons why (= for which) the boys should be punished.Tom couldnt give the teacher the reason why (= for which) he was late for school.3. why3. why(2) 当当 situation, case，circumstance 等等先行词表示先行词表示“情况，境地，场合情况，境地，场合”等意思时，等意思时，其后常由其后常由where引导定语从句，引
11、导定语从句，where在句在句中作状语。中作状语。Can you think of a situation where this phrase can be used?4. 关系副词的用法注意点关系副词的用法注意点(1) 当先行词为当先行词为time，表示，表示“次数次数”时，应时，应用关系词用关系词that 或省略。如：或省略。如：This is the first time (that) the president has visited the country.4. 关系副词的用法注意点巩固练习七：用适当的关系词填空巩固练习七：用适当的关系词填空 1) October 1, 1949 w
12、as the day_/ (_ _) China was founded. 2) Beijing is the place _ / (_ _) I live. 3) Is this the reason _/ (_ _) he didnt want to see me?whenon whichwherein whichwhyfor which巩固练习：用适当的关系词填空 4) Is this the room _/(_ _) we were living last winter? 5) Yesterday, we had a meeting _/ (_ _) we discussed many
13、 problems.wherein whichat whichwhere对比练习：对比练习：1. The room _ he once lived is still there. The room _ I have to clean every day belongs to my mother.where/in which(that/which)对比练习：用适当的关系词填空2. I will never forget the day _ I met you. I will never forget the day _ we spent together.when/on which(that/w
14、hich)3. The reason _ I dont know the thing is that I was not there at that time.The reason _ I dont know is known to him.(that/which)why/for whichHomework：复习复习“定语从句学习与巩固定语从句学习与巩固”学学案中的语法讲解，完成所配练案中的语法讲解，完成所配练习习More exercises to consolidate1. I still remember the days _ I worked with the farmers. I st
15、ill remember the days _ I spent with the farmers. A. which B. on which C. when D. what2. We were on the way _ it began to rain. I dont like the way _ you speak to your parents. A. when B. that C. how D. which CAABin which/ 选择填空：选择填空：3. The teacher didnt know the reason _ she was absent yesterday. Th
16、e teacher couldnt accept the reason _ she explained yesterday. A. how B. why C. that D. who4. Is this school _ you ever visited? Is this the school _ you ever studied? Is this the school in _ you ever studied? A. where B. which C. that D. the oneBCDAB选择填空：选择填空：5. This is _ he said at the meeting yes
17、terday. This is all _ he said at the meeting yesterday. A. that B. which C. what D. how6. _ is reported in the newspapers, they have beaten all the other teams. _ is reported in the newspaper that they have beaten all the other teams. _ is reported in the newspaper is that they have beaten all the o
18、ther teams. A. It B. As C. Which D. What CABAD选择填空：选择填空：7. It was such an easy question _ they could answer. It was such an easy question _ they could answer it. A. that B. as C. which D. what8. That is the house, _ windows hasnt been cleaned for months. That is the house, _ the windows hasnt been c
19、leaned for months. That is the house, but _ windows hasnt been cleaned for months. A. its B. its C. whose D. of whichBACDB9. John said hed been working in the office for hours, _ was true. John said hed been working in the office for hours, but _ is not true. A. he B. it C. which D. who 10. A few pe
20、ople were caught in the big fire, _ died. A few people were caught in the big fire, _ dead. A. two of whoB. two of whom C. two of themD. two of theyCBBC11. It was 1945 _ the World War II ended. It was in 1945 _ the World War II ended. A. that B. which C. when D. at which 12. Do you know the girl _ c
21、alling herself Miss Forgetful? Do you know the girl _ calls herself Miss Forgetful? A. who B. whom C. she D. /CADA选择填空：选择填空：13. Dont talk about such things _ you are not sure of. Dont talk about such things, of _ you are not sure. A. which B. what C. as D. those14. He wrote the best composition, _ s
22、urprised all of us. He wrote the best composition _ we all read just now. A. that B. which C. it D. in whichCABA* *-Where did you get to know her? -It was on the farm _ we worked. (07山东山东) A. that B. there C. which D. whereWe shouldnt spend our money testing so many people, most of _ are healthy. (0
23、7北京北京) A. that B. which C. what D. whom选择填空：选择填空：1.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.The weather turned out to be very good, that was out of our expect.5.
24、I will do all what I can to help you.whomwhosewhichthat改错：改错：6.Im going to work in the hospital where needs me.7.Cathy is the only one of us who have been to America.8.Is that factory which your father once worked in?9.It is known to all, China is a beautiful country.10.It was in this school where I
25、 had studied for 3 years.whichhasthe oneAsthatthat改错：改错：1.Ill never forget the days _ we worked together.2.Ill never forget the days _ we spent together.3.I went to the place _ I worked ten years ago.4.I went to the place _ I visited ten years ago.5.This is the reason _ he was late.6.This is the reason _ he gave.when/ in which(that/which)where /in which(which/ that)why /for whichthat/ which及物动词及物动词及物动词及物动词及物动词及物动词
