非限制性定语从句

1、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1 . 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例如:Her house,which was built a hundred years ago,stood still in theearthquake.(那座房子在地震中依然耸立，它是一百多年前建造的。)3 .有时as也可用作关系代词the same assuch as4.在非限定性定语从句中，用who, whom代表人，用which代表

2、事物.5. 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制性的。例如：Charles Smith, who was my former teacher, retired last year.查理 ·史密斯去年退休了，他曾经是我的老师。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。6. 非限制性定语

3、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，例如：He seems not to have grasped what I meant, which greatly upsets me.他似乎没抓住我的意思，这使我心烦。Liquid water changes to vapor, which is called evaporation.液态水变为蒸汽，这就叫做蒸发。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，

4、 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。一、 as 引导非限制性定语从句时，可以代主句的全部或部分内容。常表说话人关于说话的依据、态度、评论、看法等。有“正如、像”等意思。定语从句可以置主句句首、句中或句末。as 后常接expect ， know ， report ， say ， see 等动词的主、被动语态句。1 _is known to everybody， the moon travels round the earth once everymonth A

5、It B As C That D2 Mike ， as we expected What， attended the meeting像我们所期望的那样，迈克参加了会议。3 He wasn't unconsicious， as could be judged from his eyes他并未失去知觉，这从他的眼神可以判断出来。二、which引导非限制性定语从句的情况很多。I指代主句的全部或部分内容时，常表事实、状态、起因等，有“这就使得、这一点 ”等意思，常置主句末。主句与定语从句用逗号分开。1 Dorathy was always speaking highly of her role

6、 in the playmadethe others unhappy，of course，A who B which C this D whatII 指代先行词有多种情况。定语从句置先行词后面。1 在 “n pron num prep which ”， “prep which ”定语从句里。1 ） They talked about a movie， the name of which I've never forgotten他们谈论过一部电影，我决不会忘记片名。2 ） In Sydney the Chinese team got 28 gold medals， 16 5 of whi

7、ch were wonby women在悉尼奥运会，中国队夺得了28 枚金牌，其中16 5 枚是女子夺得的。3 ） China has thousands of islands， the largest of which is Taiwan中国有数千个岛屿，其中最大的是台湾岛。4 ）Chaplin went to the states in 1910，by which time he had learnt to dance andact in comedies卓别林1910年去了美国，那时他已学会跳舞和演喜剧了。2 表唯一性，或者就是指代先行词的事物时。The dam， which is th

8、e biggest in the world， is 3 ， 830 metres long大坝长3 ，830 米，是世界上最大的坝。3 先行词是独一无二的事物时。The moon ，which doesn't give out light itself，is only a satellite of the earth月球本身不发光，它只是地球的一个卫星。4先行词表示类属的事物时。Football ， which is a very interesting game， is played all over the world足球是一项非常有趣的运动，全世界都踢足球。5先行词是专有名词时

9、。1） Three of the biggest man-made projects in the world are the Great Wall ofChina，the Pyramids of Egypt and the Aswan High Dam， which is also in Egypt世界上最大的三项人造工程是中国的长城，埃及的金字塔和阿斯旺高坝，它也在埃及。2）The Nile ，which used to flood every year，now runs more regularly below thedam 尼罗河年年涨洪水，现在比较正常地在大坝下面流过了。6 先行词是

10、表人的职业、品质、身份等名词，作定语从句的表语时。主句和定语从句之间含有对比的意思。Mike's brother is a policeman， whichhe isn't 迈克的哥哥是警察，他可不是。7 先行词是形容词作定语从句的表语时。主句和定语从句含有对比的意思。Li Ling is very clever， which Li Long isn't李玲很聪明，李珑可不是。8 先行词是集体名词表整体意思时。My family， which has 35 people， is a large one我家有35 口人，是一个大家庭。9 先行词是国家名词表地域概念时。La

11、st year he went to Egypt， which is in Africa他去年去了埃及，埃及在非洲。三、 as ，which是指代主句内容的非限制性定语从句时，表依据、评论与表事实、状态等没有多大差别，又在主句末时，有时可以通用。1 He is quite pleased， as which can be seen from his face他非常高兴，从他的表情可以看出来。2 You always work hard， as which everyone knows大家都知道，你一向勤奋学习。但是，上面两句把定语从句置主句句首时，就只能用as 。3 This elephant

12、 is like a snake，as anybody can see像任何人都能看见那样，这头象像条蛇。4 Bamboo is hollow， which makes it very light竹子是空的，这就使得它很轻。在否定意义的非限制性定语从句里，一般用which引导。5 He came to my birthday party，which I didn't expect at all我完全没有想到，他来参加我的生日聚会了。四、 who ， whom ， whose等引导非限制性定语从句时，指代人的普通名词、专有名词等。表示正是或专指先行词等情况。在定语从句中作主语、宾语、定语

13、等。1 Bob's father， who worked on the project， spent four years in Egypt鲍勃的父亲从事这项工程，在埃及度过了四年。2 Dad ， this is Zheng Jie ， who I knew in Paris 爸，这是郑杰，我在巴黎认识的。 这一句是用主格 who 代替宾格 whom 。3 His mother ， whom he loved dearly， died in 1818 他非常爱戴他的母亲，她死于1818 年。4 Mr King ， whose legs were badly hurt， was quic

14、kly taken to hospital金先生的腿受了重伤，他很快就被送去住院了。n pron num prep whom ； prep whom ； in whose n ； the n of whom等引导非限制性的定语从句。5 He spoke of a pen-friend， the name of whom whose name I've neverforgotten他提到过一个笔友，他的名字我从未忘记。6 About 2， 000people， many of whom were Europeans， worked on theproject大约两千人从事过这项工程，其中

15、很多是欧洲人。7 In his office there are nine clerks， the youngest of whom is Mr Liu他办公室有9 个职员，其中最年轻的是刘先生。8 I decided to write about Chaplin，one of whose films I had seen several yearsbefore我决定写有关卓别林的文章，他的一部电影我几年前就看过了。9 We went to hear this famous singer，about whom we had heard manystories我们去听这个著名的歌唱家演唱。我们已

16、经听说了有关他的很多故事。品黄黑MYK10 Mr Pattis，in whose office Ms King was working，was very surprised whenhe found out her secret金女士在帕蒂思办公室工作。他发现她的秘密时感到非常惊奇。then五、 when ， where引导非限制性定语从句时，作定语从句的状语。when，where and there。 why 不引导非限制性定语从句。1 He was quickly taken to hospital， where a doctor wanted to examine Mr andKing&

17、#39;s legs金先生很快被送去住院，在那里一个医生要检查他的腿。2 We will put off the outing until next week， when we won't be so busy我们把郊游推迟到下个星期，那时我们不会那么忙了。3 He went to America in 1912， where and when he was noticed by animportant film director他在1912年去了美国，当时他在那里引起了一个重要电影导演的注意。在 prep where when 非限制性定语从句里，where there ， when

18、 then4 His head soon appeared out of the second storey windows， from where hecould see nothing but trees他的头很快从第二层楼的一个窗户伸出来了，从那里他。只能看见树木。5 That was in 1929， since when things have been better那是在1929年，从那时起情况就已经好转了。6 I went to bed at ten， before when I was reading for an hour我 10 点去睡觉，在那时以前我看了1 小时的书。有时

19、候where when可以用prep which替换。7 The southern states wanted to set up a country of their own， where theywould be free to keep black slaves南方各州要建立一个属于他们自己的国家，在那里他们将自由地保留黑人奴隶。8 I still remembered January 10， on which when he came to see me我仍然记得1 月10日，那一天他来看我了。练习题：用所给的词语填空。少数可以用多次。A as B which C who D whom

20、 E whose Ftime I from which Jfrom whom Knorth of which L when G where H by whichsome of whom Mthe biggestof which1 Dick is going to join in the football game， _was agreed at the meeting2 My brother had been an engineer， _ was what he wanted to be3He reached Beijing in 1998，_ ， some time later，he bec

21、ame a professor4 _is said above ，the number of the students in our school has increased5 Write a letter to a friend， _has some difficulties with his studies6 There are four rooms in the house， _ is a drawing room7 We will move into the new house next week， _it will be completed8 When lost in work ，

22、he often was， _he would forget all about eating andsleeping9 He is a model worker， _we can learn a lot10 They had to delay the sports meet till next week， _the weather will befine 11 The workers ， _stayed there for two years， came from Africa12 The building over there is a hospital， _ is a small riv

23、er13 We shall have to make a decision about Ms King， _story I've just toldyou 14 Mr Liu ， _I spoke of just now， would go to Australia15 The Nile ，_electricity is produced， now runs regularly below the damKeys ：1 A B2 B3 G4 A（ As ）5 C6 M 7 H 8 A 9 J10 F 11 L 12 K13E14 C D15 I在英语中，为了避免重复，句子中的某些部分经

24、常省略，却给理解增加了困难。在近几年的高考试题中，省略现象也十分常见，其基本要点总结如下：一、并列句中某些相同成分的省略。This beeper works well, but that one doesn't (work well).这个寻呼机工作正常, 但那个就不行。I study at college and my sister (studies) at high school.我读大学，我妹妹读高中。二、在when, while, if, as if, though, until, once, whether, unless等连接的状语从句中 , 常省略跟主句相同的主语和be

25、动词。When (I am) in trouble I always turn to her for help.当我有困难时总是找她帮助。The letter is to be left here until (it is) called for.三、有形式主语it 的主语从句可省略that 。It is an honor (that) I was invited to your birthday party.这封信留在这里待领。我很荣幸被邀请参加你的生日聚会。It is the third time (that)I have come to China.这是我第三次来中国。四、在限制性定语从

26、句中可省略作宾语的关系代词whom, which, that。That is the naughty boy (whom/that) we talked about last week.他就是我们上周议论的那个淘气男孩。Is this the radio (that/which) you bought last Saturday?这是你上周六买的收音机吗?五、在 direction(方向 ), way( 方式 ), distance(距离 ), time( 时间 ), times(倍数 )等后面所接的定语从句中常省略that, which, in which。The direction (in

27、 which) we move a body can be changed.我们移动物体的方向是可以改变的。The distance (which或 that)light travels in one second is 300, 000 kilometers.光每秒走的距离是30 万公里。六、命令句、 惊叹句、 部分第一人称的陈述句、部分问句和答句中省略最为常见。Open the door!开门 !Why not?为什么不 ?Why so?为什么这样 ?Anybody wishing to go?谁愿意去啊 ?七、用 so, not或其它手段来省略上文或问句中的一部分或整个句子。 Can E

28、mily do this work?埃米莉能做这项工作吗? I think so. 我想她行。 Did you know anything about it?这件事你以前知道吗? Not until you told me.你告诉了我, 我才知道。八、在特定的上下文里, 为了避免重复, 作谓语、宾语或宾语补足语的不定式再次出现时, to 后的内容常承前省略, 只保留不定式符号“to。”I don't go swimming now but I used to.我现在不去游泳但我过去常去(游泳 )。You can't work alone in the lab unless you are allowed to.除非得到允许注意：不定式, 你不能单独在实验室工作。to 之后的动词是be 或助动词have时 ,要保留to后的be或have。如：China is no longer what it used to be