非限制性定语从句

1、非限制性定语从句非限制性定语从句非限定性定语从句：非限定性定语从句的作用是对所修饰的成分作进一步说明，通常和主句间用逗号隔开，将从句拿掉后其他部分仍可成立. which引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分，that不能用于引导非限制性定语从句eg：Her house,which was built a hundred years ago,stood still in the earthquake.有时as也可用作关系代词.在非限定性定语从句中，用 who, whom代表人，用 which代表事物.当先行词是专有名词或物主代词和指示代词所修饰时，其后的定语从句通常是非限

2、制性的。eg: Charles Smith, who was my former teacher, retired last year.My house, which I bought last year, has got a lovely garden.我去年买的的那幢房子带着个漂亮的花园。This novel, which I have read three times, is very touching. 这本小说很动人，我已经读了三遍。.非限制性定语从句还能将整个主句作为先行词，对其进行修饰，这时从句谓语动词要用第三人称单数，eg： He seems not to have grasp

3、ed what I meant, which greatly upsets me. 他似乎没抓住我的意思， 这使我心烦。总结：非限制性定语 从句只是对主句内容，或先行词的补充、解释或附加说明。主句与先行词或从句之间一般用逗号分开，常常单独翻译。没有它，主句意思仍然完整。引导非限制性定语从句的关系代词有as,which , who , whom , whose等，作定语从句的主语、宾语、表语及定语。关系副词有when , where等，作定语从句的状语。关系代词和关系副词在定语从句中一般不能省。注：why不能引导非限制定语从句My success in business,the reason w

4、hy he dislikes m e 限制性),has been due to hard work.限制性定语从句和非限制性定语从句限制性定语从句举例：(1)The teacher told me that Tom wasthe only person that I could miss .(2)China isa country which has a long history.非限制性定语从句举例：(1)His mother, who loves him very much, is strict with him.(2)China, which was founded in 1949, i

5、s becoming more and more powerful.限制性定语从句和非限制性定语从句区别：限制性定语从句非限制性定语从句形式上不用逗号和主句隔开用逗号和主句隔开意义上是先行词不可缺少的定语，不能删除是对先行词的补充说明，删除后意思仍完整译法上翻译成先行词的定语，“酌”通常翻译成主句的并列句关系词的使用上A.做宾语时可省略B、可用thatG 可用 who代替whomA、/、可省B、不用thatG不用who代替whom要注意区分以下几个句子的不同(1)His brother who is now a doctor always encourages him to go to col

6、lege.他那当医生的哥哥常鼓励他要考上大学。(他还有其他的哥哥)(2)His brother, who is now a doctor, always encourages him to go to college.他的哥哥是当医生的，常鼓励他要考上大学。(他只有一个哥哥)介词+关系代词引导的定语从句关系代词在定语从句中做介词宾语时，从句常由介词+关系代词引导(1)The school(that/which) he once studied in_ is very famous.=The schoolin which he once studied is very famous.(2)Tom

7、orrow I will bring here a magazine(that/which) you asked for.=Tomorrow I will bring here a magazinefor which you asked.(3)Wel go to hear the famous singer (whom/that/who) we have often talked about.=we ll go to hear the famous singea bout whom we have often talked .注意：1、有些动词短语一般不拆开使用，如：look for, loo

8、k after, take care of等(1)This is the watchwhich/that I am looking for . (True)(2)This is the watchfor which I am looking . (False)2.若介词放在关系代词前，关系代词指人时用whom,不可用who或者that;指物时用which, 不能用that;关系代词是所有格时用whoseThe manwith whom you talked is my friend. (T)The manwho/that you talked with is my friend. (F)The

9、 planein which we flew to Canada is very comfortable. (T)The planein that we flew to Canada is very comfortable. (F)3、介词+关系代词”前可有some, any, none, both, all, neither, most, each, few等代词或者数词He loved his parents deeply,both of whom are very kind to him .In the basket there are quite many apples,some of

10、 which have gone bad.There are forty students in our class in allmost of whom are from big cities . 简单归纳：介词十关系代词引导的定语从句，关键是判断介词的选择，方法一是看从句谓语部 分缺少什么介词(习惯搭配)，再则可以通过整个句子整体含义来判断，结合生活实际来判断.关系代词as和which引导的定语从句由as, which引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that. As 一般放在句首，which在句中.As we know, smoking

11、 is harmful to ones health.The sun heats the earth, which is very important to us.as和which引导非限制性定语从句，有相同之处也有不同之处。具体情况是：as和which都可以在定语从句中做主语或者宾语，代表前面整个句子。He married her, as/which was natural .He was honest,as/which we can see.as引导非限制性定语从句，可放在主句之前，或者主句之后，甚至可以切割一个主句； which引导的非限制性定语从句只能放在主句之后。另外， as有正如；

12、正像的意思 (1) As is known to all, China is a developing country.(主旬之前)He is from the south, as we can see from his accen(口 音).(主句之后)John,as you know, is a famous writer.He has been to Paris more than several timeswhich I don t believe 注意：当主句和从句存在逻辑上的因果关系时，常用 whichTom was always late for school, which ma

13、de his teacher angry.3.当先行词受such, the same修饰时，常用asI have never heard such a storyas he tells.He is not such a foolas he 100ks (3) This is the same bookas I lost last week. 简单归纳：as ,which均可以引出非限制性定语从句，如都指前一句话的意思，二者可以互换。 as引导的从 句可以放在句首，as本身有 正如.,正像类的含义，与之连用的词有know, see, expect, announce, point out 等。止

14、匕外，在 the same assuch .as 中 .as弓I导的是 限制性 定语从句.课堂练习place interested me most was the Childrens Palace.A. WhichB. whereC. whatD. in whichD. that I spokeyou know the manA. whom I spoke B. to who spokeC. I spoke tois the hotel last month.A. which they stayedB. at that they stayedC. where they stayed atD.

15、where they stayedyou know the year the Chinese Communist Party was foundedA. whichB. thatC whenD. on whichis the day Ill never forget.A. whichB. on whichC. in which D. whenfactory well visit next week is not far from here.A. whereB. to whichC. whichD. in whichchanges have taken place since then in t

16、he factory we are working.A. whereB. thatC. whichD. thereB. that have shownD. that you talkedB. which you talkedD. that you talkedis one of the best films.A. that have been shown this yearC. that has been shown this year you lend me the book the other dayA. about which you talkedC. about that you ta

17、lkedpen he is writing is mine.A. with whichB. in whichC. on whichD. by which课后练习arrived at a farmhouse, in front of sat a small boy.A. whomB. whoC. whichengineer my father works is about 50 years old.A. to whomB. on whomC. with whichthere anyone in your class family is in the countryA. whoB. whosC.

18、whichm interested in you have said.A. all thatB. all what C. thatD. thatD. with whomD. whoseD. whichwant to use the same dictionary_was used yesterdayA. whichB. whoC. whatisnt such a manhe used to be.A. whoB. whomC. thatis good at English, _we all know.A. thatB. asC. whomD. asD. asD. whatMing,to the

19、 concert enjoyed it very much.A. I went withB. with whom I went C. with who I went went with himdont like as you read.A. the novelsB. the such novels C. such novels D. same novelstalked a lot about things and persons they remembered in the school.A. whichB. thatC. whomD. whatletter is from my sister,is working in Beijing.A. whichB. thatC. whomD. whoour factory there are 2000 workers, two thirds of are women.themB. whichC. whomD. whore the person Ive ever met could do it.A. who;/B./; whomC. whom;/D./; whoD. the title of thatlost a book,I cant re