1、a)She has two brothers who are working in the city.她有两个在这个城市工作的弟弟。她有两个在这个城市工作的弟弟。(She has more than two brothers.)b)She has two brothers,who are working in the city.她有两个弟弟她有两个弟弟,他们在这个城市工作。他们在这个城市工作。(She has only two brothers.)限定性定语从句与非限定性定语从句的比较：Woolfire will not wear any clothes which will make him
2、 different from others.伍菲不会穿任何会使他看起来与众不同的衣服。Woolfire will not wear any clothes,which will make him different from others.伍菲不打算穿衣服了，这样能使他与众不同。非限定性定语从句，对先行词 补充&说明Xian,marks the starting point of the ancient silk road.西安是陕西省的省会城市，同时又是古代丝绸之路的起点。非限制性定语从句和主句关系不十分密切非限制性定语从句和主句关系不十分密切,只是只是对先行词作些附加的说明对先行词作些附
3、加的说明,如果去掉如果去掉,主句主句的意思仍然清楚。这种从句和主句之间往往用的意思仍然清楚。这种从句和主句之间往往用逗号分开逗号分开,不用不用that引导。非限制性定语从句中引导。非限制性定语从句中,关系词不可省略关系词不可省略。如：。如：a)Rome,which is the capital of Italy,has a very long history.意大利的首都罗马历史非常悠久。意大利的首都罗马历史非常悠久。b)Yesterday I met Professor King,who came from the University of London.昨天我遇见金教授昨天我遇见金教授,
4、他从伦敦大学来的。他从伦敦大学来的。大多数限制性和非限制性定语从句的先行词大多数限制性和非限制性定语从句的先行词往往为某一个词或短语往往为某一个词或短语,而有时非限制性而有时非限制性定语从句的先行词也可为整个主句定语从句的先行词也可为整个主句,此时非此时非限制性定语从句常由限制性定语从句常由which引导。引导。eg.A middle-aged woman killed her husband,which frightened me very much.一个中年女子杀害了其丈夫一个中年女子杀害了其丈夫,这事令我十分恐惧。这事令我十分恐惧。eg.A five-year-old boy can s
5、peak two foreign languages,which surprises all the people present.一个五岁的男孩会讲两门外语一个五岁的男孩会讲两门外语,令所有在场令所有在场的人感到非常惊讶。的人感到非常惊讶。指代对象指代对象指代人指代人指代物指代物主格主格whowhich,as宾格宾格whomwhich,as所有格所有格of whom,whosewhich,of which,whose引导非限定性定语从句的关系代词：when,where引导非限定性定语从句的关系副词：1.which 引导非限制性定语丛句代表前面的整个引导非限制性定语丛句代表前面的整个句子的时候
6、，一般是对主句的结果的说明句子的时候，一般是对主句的结果的说明eg.He grows too fast,which makes him taller than his classmates.as/which的区别：2.as 引导非限制性丛句代表前面整个句子时引导非限制性丛句代表前面整个句子时一般来讲丛句的谓语动词有三种：一般来讲丛句的谓语动词有三种：A.含有含有be 动词动词 He failed the exam,as is natural.B.实意动词的被动形式实意动词的被动形式 As is reported,the fire caused a great loss.C.感官动词和意识类动词
7、感官动词和意识类动词 如：如：see,hear,notice,know,learn,realize 等等 As you know,I am a teacher.3.as 可翻译为正如可翻译为正如,它引导的丛句可位于主句之它引导的丛句可位于主句之前，也可位于主句之后前，也可位于主句之后;which 引导的该丛句引导的该丛句只能位于主句之后。只能位于主句之后。1._he realized,I was very useful to him.2.This elephant is like a snake,_anybody can see.3.The sun gives us light and hea
8、t,_makes the plant grow well.A.As (as)B.which C.that D.who AAB1.As 1.As 多与多与such such 或者或者 the same the same 连用，代替先行词是连用，代替先行词是人或是物的名词，引导限制性定语从句。人或是物的名词，引导限制性定语从句。Eg:Julia watched the same movie as I had enjoyedEg:Julia watched the same movie as I had enjoyed.2.As 2.As 也可以单独使用，引导非限制性定语从句，翻译为也可以单独使用，
9、引导非限制性定语从句，翻译为“正正如如”，作用相当于，作用相当于whichwhich。Eg:Premier Wen may step down in the year of 2013,as Eg:Premier Wen may step down in the year of 2013,as he has stated in a conference.he has stated in a conference.Tom found the ancient book,which was broken.As is said in the newspaper,two farmers saw the U
10、FO in the field.I like the house,whose windows face the sea.先行词指物先行词指物,在从句中做主或宾语在从句中做主或宾语,用关系词用关系词which,不能用不能用thatAs引导的非限制性定语从句引导的非限制性定语从句,可放在可放在主句之前，也可放在主句后面。主句之前，也可放在主句后面。先行词在从句做定语先行词在从句做定语,用关系词用关系词whoseAll that glitters is not gold,as everyone knows.介词介词+关系代词关系代词,介词的选用介词的选用,要根据从句的谓语动要根据从句的谓语动词的构成
11、。词的构成。People will remember August 8th，2008,when 29th Olympic Games was held in Beijing.先行词在从句中做时间状语先行词在从句中做时间状语,用用when或介词或介词+which。Cindy is a lovely girl,with whom many people like to make friends.The prize will go to the writer _ story shows the most imagination.A.that B.which C.whose D.whatYoull f
12、ind taxis waiting at the bus station _ you can hire to reach your host family.A.which B.where C.when D.asMary was much kinder to Jack than she was to the others,of course,made all the others upset.A.who B.which C.what D.thatBetween the two parts of the concert is an interval,_ the audience can buy t
13、he ice-cream.A.When B.Where C.That D.WhichThe school shop,customers are mainly students,is closed few the holidays.A.which B.whose C.when D.whereI walked up to the top of the hill with my friend,_we enjoyed a splendid view of the lakeA.which B.where C.who D.that（陕西省）She was always speaking highly of
14、 her role in the play,of course,_ madethe others unhappy.A.which B.who C.this D.whatThe old man has two sons,_ is a soldier.A.one of whom B.both of them C.all of whom D.none of themNew York is famous for its sky-scrapers (摩天大楼),_ has more than 100 storeys.A.the higher of them B.the highest of which
15、C.the highest of them D.some of which In the office I never seem to have time until after 5:30 p.m.,_ many people have gone home.A.whose time B.that C.at which D.by which timeThe weather turned out to be very good,_ was more than we could expect.A.what B.which C.that D.itMr.Wang is a boss,_ factory
16、Li Ping worked.A.in whose B.whose C.in whom D.of which I shall never forget the years _ I lived in the country with the farmers,_ has a good effect on my life.A.that,which B.when,which C.which,that D.when,who_ is known to all,China will be an advanced and powerful country in 20 or 30 years time.A.Wh
17、at B.That C.As D.It Im going to spend my holiday in Beijing,_ my old parents live.A.which B.that C.where D.there By nine oclock,all the Olympic torch bearers had reached the top of Mount Qomolangma,_ appeared a rare rainbow soon.(2008 福建)A.of which B.on which C.from which D.above whichThe growing sp
18、eed of a plant is influenced by a number of factors,_ are beyond our control.(2008 湖南)A.most of them B.most of which C.most of what D.most of that The road conditions there turned out to be very good,_ was more than we could expect.(2008 全国)A.it B.what C.which D.thatThe man pulled out a gold watch,_
19、 were made of small diamonds.(2008 陕西)A.the hands of whom B.whom the hands of C.which the hands of D.the hands of whichFor many cities in the world,there is no room to spread our further,_ New York is an example.(2008 四川)A.for which B.in which C.of which D.from whichYesterday she sold her car,_ she
20、bought a month ago.(2008 浙江)A.whom B.where C.that D.whichIll give you your friends home address,_ I can be reached most evenings.(2008 北京)A.which B.when C.whom D.whereThey will fly to Washington,_ they plan to stay for two or three days.(2008 重庆)A.where B.there C.which D.whenAll the neighbor admire
21、this family,_ the parents are treating their child like a friend.(2008 安徽)A.why B.where C.which D.that1.Is this the factory _ you visited the other day?A.that B.where C.in which D.the one 2.Is this factory _ some foreign friends visited last Friday?A.that B.where C.which D.the one 3.Is this the factory _ he worked ten years ago?A.that B.where C.which D.the one
