限制性非限制性定语从句详解+练习(附答案)

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(完整版)非限制性定语从句50题练习+详解

非限练习+详解1. The place _______interested me most was the Children's Palace.A. WhichB. whereC. whatD. in which2. Do you know the man _______?A. whom I spokeB. to who spokeC. I spoke toD. that I spoke3. This is the hotel _______last month.A. which they stayedB. at that they stayedC. where they stayed atD. where they stayed4. Do you know the year ______the Chinese Communist Party was founded?A. whichB. thatC. whenD. on which5. That is the day ______I'll never forget.A. whichB. on whichC. in whichD. when6. The factory ______we'll visit next week is not far from here.A. whereB. to whichC. whichD. in which7. Great changes have taken place since then in the factory _______we are working.A. whereB. thatC. whichD. there8. This is one of the best films _______.A. that have been shown this yearB. that have shownC. that has been shown this yearD. that you talked9. Can you lend me the book ______the other day?A. about which you talkedB. which you talkedC. about that you talkedD. that you talked10. The pen ______he is writing is mine.A. with whichB. in whichC. on whichD. by which11.They arrived at a farmhouse, in front of ______sat a small boy.A. whomB. whoC. whichD. that12.The engineer ______my father works is about 50 years old.A. to whomB. on whomC. with whichD. with whom13.It there anyone in your class ______family is in the country?A. whoB. who'sC. whichD. whose14.I'm interested in ______you have said.A. all thatB. all whatC. thatD. which15.I want to use the same dictionary ______was used yesterday.A. whichB. whoC. whatD. as16.He isn't such a man ______he used to be.A. whoB. whomC. thatD. as17.He is good at English, ______we all know.A. thatB. asC. whomD. what18.Li Ming, ______to the concert enjoyed it very much.A. I went withB. with whom I wentC. with who I wentD.I went with him19.I don't like ______ as you read.A. the novelsB. the such novelsC. such novelsD. same novels20.He talked a lot about things and persons ________they remembered in the school.A. whichB. thatC. whomD. what21.The letter is from my sister, ______is working in Beijing.A. whichB. thatC. whomD. who22.In our factory there are 2,000 workers, two thirds of ____are women.A. themB. whichC. whomD. who23.You're the only person ______I've ever met ______could do it.A. who;/B./; whomC. whom;/D./; who24.I lost a book, ______I can't remember now.A. whose titleB. its titleC. the title of itD. the title of thatst summer we visited the West Lake, ______Hangzhou is famous in the world.A. for whichB. for thatC. in whichD. what26.I have bought such a watch _______ was advertised on TV.A. thatB. whichC. asD. it27.I can never forget the day _______ we worked together and the day ______ we spent together.A. when; whichB. which; whenC. what; thatD. on which; when28.The way ______he looks at problems is wrong.A. whichB. whoseC. whatD./29.This is the reason ______he didn't come to the meeting.A. in whichB. with whichC. thatD. for which30.This machine, ______for many years, is still working perfectly.A. after which I have lookedB. which I have looked afterC. that I have looked afterD. I have looked after31.The reason ______he didn't come was ______he was ill.A. why; thatB.that;whyC. for that;thatD.for which;what32.He is working hard, ______will make him pass the final exam.A.thatB.whichC.for whichD.who33.That is not the way ______I do it.A./B.whichC.for whichD.with which34.I have two grammars, ______are of great use.A. all of whichB. either of whichC. both of thatD. both of which35.I want to use the same tools _______used in your factory a few days ago.A. as wasB. which wasC. as wereD. which36.My neigh bours used to give me a hand in time of trouble, _______ was very kind of them.A. whoB. whichC. thatD. it37.This is the magazine _______ I copied the paragraph.A. thatB. whichC. from thatD. from which38.He is not such a man _______ would leave his work half done.A. thatB. whichC. whoD. as39. You can depend on whatever promise _______ he makes.A. /B. whyC. whenD. whose40. Smoking, _______ is a bad habit, is, however, popular.A. thatB. whichC. itD. though41. --- Did you ask the guard _______ happened?--- Yes, he told me all _______ he knew.A. what; thatB. what; whatC. which; whichD. that; that42. I shall never forget those years _______ I lived on the farm withthe farmers, _______ has a great effect on my life.A. when; whoB. that; whichC. which; thatD. when; which43. The number of the people who _______ cars _______ increasing.A. owns; areB. owns; isC. own; isD. own; are44. During the days ________, he worked as a servant at the Browns.A. followedB. followingC. to followD. that followed45. Is oxygen the only gas _______ helps fire burn?A. thatB. /C. whichD. it46. The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.A. which; whatB. through which; whatC. through that; whatD. what; that47. Is _______ some German friends visited last week?A. this schoolB. this the schoolC. this school oneD. this school where48. John got beaten in the game, _______ had been expected.A. asB. thatC. whatD. who49. I have bought two ballpens, _______ writes well.A. none of themB. neither of themC. neither of whichD. none of which50. All that can be eaten _______ eaten up.A. are beingB. has beenC. had beenD. have been参考答案及解析1. A. which用作关系代词，在定语从句中作主语。

高考英语非限制性定语从句练习题(含解析)

非限制性定语从句李仕才一、单选题1.Between the two parts of the concert is an interval, ________ the audience can buy ice-cream.A. whenB. whereC. thatD. which2.They overcame some difficulties and completed the work ahead of time, was something we had not expected.A. thatB. whichC. itD. what3.When deeply absorbed in work, ______ he often was, he would forget all about eating or sleeping.A. thatB. whichC. whereD. when4.The insect's black eyes, are fixed on the cabbage, show the creature's interest in the vegetable.A. whichB. asC. thatD. what5.John invited about 40 people to his wedding, most of ______ are family members.A. themB. thatC. whichD. whom6.Mrs. Wang helped me a lot with my English last term, _______ made me very moved.A. whoB. whereC. whichD. when7.After the flooding, people were suffering in that area, ________ urgently needed clean water, medicine and shelter to survive.A.whichB.whoC.whereD.what8.It is the third time that she has won the race, has surprised us all.A. thatB. whereC. whichD. what9.The journey around the world took the old sailor nine months, ________ the sailing time was 226 days.A. from whichB. for whichC. ofwhich D. since when10.Following the girl, we went into a hall; on __________ walls hung a few pictures of some famous scientists.A. itsB. whichC. whoseD. those11.T eachers are those who use themselves as bridges, over they invite theirstudents to cross．A. themB. whichC. whomD. those12.Edison made a lot of inventions, ___________of great importance.A. which I think areB. which I think they areC. I think theyare D. that I think are13.Lucas went past a wooden house, in front of ________ sat an old man, pipe in hand.A. thatB. whatC. whichD. whom14.At last we came to a town and found a quiet hotel, .A. next to it was a thick woodB. next to which was a thick woodC. next to it a thick wood wasD. next to which a thick wood was15.I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me.A. whoB. whichC. whenD. Where16.I didn't become a serious climber until the fifth grade, _____ I went up to rescue a kite that was stuck in the branches of a tree.A. whenB. whereC. whichD. why17.The Tang Dynasty is generally regarded as a golden chapter by peopleworldwide, ________ the Chinese civilization influenced many neighboring countries.A. whereB. whenC. whichD. who18.The eighth annual Beijing International Film Festival lifted its curtain on April 15, ________ 659 films from 71 countries and regions have entered.A. whichB. whenC. whereD. that19.He is a man of great experience, __________ much can be learned.A. whoB. thatC. fromwhom D. from which20.John invited about 40 people to his wedding, most of ____________ are family members.A. themB. thatC. whichD. whom21.It rained this morning, _____ actually didn't bother me because I like walking in the rain.A. whatB. whenC. whereD. which22.Not far from the club, there was a garden, _____ owner was seated in it playing cards with his children every afternoon.A. itsB. ofwhich C. which D. whose23.The children,____ had played the whole day long, were worn out.A. all of whatB. all of whichC. all ofthem D. all of whom24.I keep the picture where I can see it every day, reminds me of the days in my hometown.A. thatB. whichC. whoD. when25.She decided not to take a picnic with me, ______ made me really disappointed.A. whoB. whatC. whichD. that26.Only when we realize how serious the environment is damaged, _______ is usually ignored, ______ try our best to fight against it.A. it; can weB. what; can weC. which; wecan D. which; can we27.With the International Space Station set to retire in 2024,the Chinese space station will offer a promising alternative, China will be the only country with a permanent space station.A.of whichB.by whenC.from whereD.since when28.Yuan Longping has won many awards, shows his extraordinaryachievements.A. whatB. thatC. whoD. which29.History enables pupils to learn about their culture, ________ helps them to understand the society they live in.A. whoB. whichC. whereD. that30.The fire, occurred in Xinjian Village, Daxing District, was reported at 6:15 pm, according to the fire department.A. whereB. whichC. thatD. as31.In 1963 the UN set up the World Food Programme, one of _______ purposes is to relieve worldwide starvation.A. whichB. it'sC. whoseD. whom32.Have you ever listened to the song Yesterday Once More, ________ singer died in her early years?A. itsB. it'sC. whoseD. which33.It is fantastic for children to have a harmonious family, the parents treat their child like a friend.A. whyB. thatC. whichD. where34.Mandela was generous with his time, Elias was grateful.A. to whichB. forwhich C. which D. to whom35.The whole class applauded wildly at the end of the speech, __________ greatly encouraged Bob.A. whatB. whereC. whichD. when答案解析部分一、单选题1.【答案】A【考点】非限制性定语从句【解析】【分析】句意：在该音乐会的两个部分之间有休息时间，那时观众可以买冰激凌。

限定性及非限定性定语从句练习

限定性及非限定性定语从句练习(1)The first doll __ say “mama”was invented in 1830．［A］that it could ［B］could it［C］it could ［D］that could(2)A solar day is the length of time ___ the Earth to revolve once around the Sun．［A］takes ［B］takes it［C］which takes ［D］he takes(3)The period during when ［A］people learned ［B］to melt iron is called ［C］the ［D］Iron Age．(4)The second half of his voyage was by far the more dangerous part,___ he sailed round the treacherous Cape Horn.［A］where［B］of which［C］during which［D］that(5) To travel from England to Hope Corn had taken him nine months, the sailing time was 226 days. He had done what he wanted to accomplish.［A］when［B］which［C］of which［D］that(6)Henry Ford is the person ［A］which ［B］is most responsible ［C］for developing ［D］the idea of mass production.(7) Human beings are social ［A］animals whom ［B］usually prefer not to live in ［C］physical or psychological isolation ［D］(8)The Everglades is a beautiful region of southern Florida ___ the primitive past mingles with modern life．［A］there ［B］where［C］after［D］in(9) The knee is the joint ___ the thigh bone meets the large bone of the lower leg．［A］when［B］where［C］why ［D］which(10) A metropolitan region ［A］is defined as a central ［B］city and the territory where ［C］surrounds ［D］it．(11)The next morning ___ he came down to breakfast, he was beaming with the pleasure of a new, great discovery.［A］as［B］when［C］because［D］that(12) In a day few noble persons ever spoke to those of humble origins except to give an order, Jefferson went out of his way to talk with gardeners, servants, and waiters.［A］whose［B］during［C］when［D］of(13) Moreover, in the modern age___ human beings depend so much on machines, he had given men throughout the world new pride.［A］when ［B］whether［C］more［D］ever(14)There was a teapot fashioned like a China duck out of ___open mouth the tea was supposed to come.［A］which［B］its［C］that［D］whose(15) Jackir Mcleans’s recordings have shown that he is one of the few ［A］jazz musicians who ［B］style of playing ［C］has kept pace with the evolution ［D］of modern jazz．(16)I don't want to concentrate on anything ___ worrying me.［A］what is［B］there is［C］what ［D］there(17)ligments(韧带)，___，hold organs of the body in place and fasten bones together．［A］which are fibrous tissues［B］they are fibrous tissues［C］fibrous tissues that［D］are fibrous tissues18) The Little White House in Warm Springs was the Georgia home of President Franklin D. Roosevelt，___there on April 12，1945．［A］who died［B］died［C］while died［D］he died19) The first United States citizen to become ［A］a professional ［B］sculptor was PatienceLovell Wright，which ［C］works were executed in wax ［D］．20) The adder is a snake has ［A］a relatively ［B］stout body, a short tail ［C］, and a flat head ［D］．21) Traditionally, ethnographers and linguists have paid ［A］little attention to cultural interpretations given to ［B］silence, or to ［C］the types of social contexts in which tends ［D］to occur22) Most crocodiles will eat anything ___ capture and overpower．［A］can［B］they can［C］which can［D］and答案及其详解：1) D为正确答案。

非限定性定语从句与限制性定语从句讲解与练习

定语从句知识点讲解一一、定语从句的概念在复合句中，修饰某一名词或代词的从句叫定语从句。

被修饰的名词或代词叫先行词，定语从句一般放在先行词的后面。

二、定语从句的关系词引导定语从句的关系词有关系代词和关系副词，常见的关系代词包括that，which，who（宾格whom，所有格whose）等，关系副词包括where，when，why等。

关系代词和关系副词放在先行词及定语从句之间起连接作用，同时又作定语从句的重要成分。

三、定语从句的分类根据定语从句与先行词的关系，定语从句可分为限制性定语从句及非限制性定语从句。

限制性定语从句紧跟先行词，主句与从句不用逗号分开，从句不可省去，非限制性定语从句主句与从句之间有逗号分开，起补充说明作用，如省去，意思仍完整。

四、关系代词的用法1. that 既可以用于指人，也可以用于指物。

在从句中作主语或宾语，作主语时不可省略，作宾语可省略。

例如：Mary likes music that is quiet and gentle.玛丽喜欢轻柔的音乐。

（that作主语）The coat （that）I put on the desk is blue.我放在桌子上的那件外套是蓝色的。

（that作宾语）2.which用于指物，在句中作主语或宾语，作主语不可省略，作宾语可省略。

例如：The building which stands near the train station is a supermarket.位于火车站附近的那座大楼是一家超市。

（作主语）The film （which）we saw last night was wonderful. 我们昨天晚上看的那部电影很好看。

（作宾语）3.who，whom用于指人，who 用作主语，whom用作宾语。

在口语中，有时可用who代替whom，也可省略。

例如：The girl who often helps me with my English is from England.经常在英语方面帮助我的那个女孩是英国人。

高一英语上册限制性与非限制性定语从句专项练习(含答案)

高一英语上册限制性与非限制性定语从句专项练习知识梳理限制性定语从句与非限制性定语从句的区别1. 形式不同限制性定语从句主句和从句之间不用逗号隔开，口语中使用时也不停顿；而非限制性定语从句与主句之间通常有逗号隔开，口语中使用时有停顿。

2. 功能不同限制性定语从句用于对先行词的意义进行修饰、限制和识别，如果去掉，就会造成句意不完整或概念不清；而非限制性定语从句用于对先行词起补充说明作用，如果省略，句意仍然清楚、完整。

People who take physical exercise live longer.进行体育锻炼的人活得长些。

(若把从句去掉句子就失去意义)His daughter, who is in Boston now, is coming home next week. 他女儿现在在波士顿，下星期回来。

(若把从句去掉，句子意义仍然完整)3. 翻译不同在翻译定语从句时，一般把限制性定语从句翻译在它所修饰的先行词之前，而把非限制性定语从句与主句分开。

He is the man whose car was stolen.他就是汽车被窃的那个人。

I’ve invited Jim, who lives in the next flat.我邀请了吉姆，他就住在隔壁。

4. 含义不同比较下面的两个句子：I have a sister who is a doctor. 我有一个医生的姐姐。

(姐姐不止一个)I have a sister, who is a doctor. 我有一个姐姐，她是当医生的。

(只有一个姐姐)5. 先行词不同限制性定语从句的先行词只能是名词或代词，而非限制性定语从句的先行词则可以是名词或代词，也可以是短语或句子；另外，当先行词为专有名词或其他具有独一无二性的普通名词时，通常要用非限制性定语从句，而不用限制性定语从句。

Peter drove too fast, which was dangerous.彼得开车很快，这是很危险的。

高中限制性定语从句及非限制性定语从句概念区别及练习含答案(可编辑修改word版)

导入练习11.—Is that the small company you often refer to?—Right, just the one you know my father used to work for years.A.thatB. whichC. whereD. As2.—Where did they fi nish the experiment?—It was in the lab was taken charge of by Prof. Smith.A.whereB. /C. whichD. in which3.Examination compositions, together with most business letters and government reports, are the main situations formal language is used.A.in whichB. in thatC. of whichD. of that4.Which fi lm is the one main actor has won the Best Actor Prize in the fi lm festival?A.whoB. whomC. whoseD. which5.In that country, November 30th is a national festival everyone, men and women, old and young, sings and dances happily in the streets.A.whereB. whenC. thatD. as6.This is John Brown, I think has something interesting to tell you.A.whichB. whomC. thatD. who7.We climbed the Huangshan Mountain yesterday, , not surprisingly, was crowded with visitors from all over the world.A.whereB. whichC. thatD. when8.The famous football player, a big party will be held tomorrow morning, is to arrive this afternoon.A.in honour of himB. in his honourC. in whose honourD. in which honour9. was reported in the newspaper, seventeen passengers had been killed in the traffi c accident.A.ItB. AsC. WhatD. That10.The owner paid the worker $10 for tidying the whole building, most of hadn’t been cleaned for at least a year.A.thatB. whatC. whenD. which11.He has made great contributions to the science of physics, he was awarded the 2009 Nobel Prize.A.about whichB. whatC. for whichD. when12.I don’t want to use the same tool you used yesterday to repair the air conditioner.A.itB. thatC. oneD. what13.They were interested you told them.A.in whichB. in thatC. all thatD. in everything14.Is that the reason you are in favor of the proposal?A.whichB. whatC. whyD. for that15.I have bought the same dress she is wearing.A.asB. thatC. whichD. what限制性定语从句提供有关主语或宾语的重要信息，起限定作用，与被修饰部分的关系紧密，如果省略该从句会使主句语义表达不完整。

非限制性定语从句50题练习+详解(可编辑修改word版)

非限练习+详解1.The place interested me most was the Children's Palace.A.WhichB. whereC. whatD. in which2.Do you know the man ?A.whom I spokeB. to who spokeC. I spoke toD. that I spoke3.This is the hotel last month.A.which they stayedB. at that they stayedC. where they stayed atD. where they stayed4.Do you know the year the Chinese Communist Party was founded?A.whichB. thatC. whenD. on which5.That is the day I'll never forget.A.whichB. on whichC. in whichD. when6.The factory we'll visit next week is not far from here.A.whereB. to whichC. whichD. in which7.Great changes have taken place since then in the factory we are working.A.whereB. thatC. whichD. there8.This is one of the best films .A.that have been shown this yearB. that have shownC. that has been shown this yearD. that you talked9.Can you lend me the book the other day?A.about which you talkedB. which you talkedC. about that you talkedD. that you talked10.The pen he is writing is mine.A.with whichB. in whichC. on whichD. by which11.They arrived at a farmhouse, in front of sat a small boy.A. whomB. whoC. whichD. that12.The engineer my father works is about 50 years old.A.to whomB. on whomC. with whichD. with whom13.It there anyone in your class family is in the country?A.whoB. who'sC. whichD. whose14.I'm interested in you have said.A. all thatB. all whatC. thatD. which15.I want to use the same dictionary was used yesterday.A. whichB. whoC. whatD. as16.He isn't such a man he used to be.A.whoB. whomC. thatD. as17.He is good at English, we all know.A.thatB. asC. whomD. what18.Li Ming, to the concert enjoyed it very much.A.I went withB. with whom I wentC. with who I wentD.I went with him19.I don't like as you read.A. the novelsB. the such novelsC. such novelsD. same novels20.He talked a lot about things and persons they remembered in the school.A.whichB. thatC. whomD. what21.The letter is from my sister, is working in Beijing.A.whichB. thatC. whomD. who22.In our factory there are 2,000 workers, two thirds of are women.A.themB. whichC. whomD. who23.You're the only person I've ever met could do it.A.who;/B./; whomC. whom;/D./; who24.I lost a book, I can't remember now.A. whose titleB. its titleC. the title of itD. the title of thatst summer we visited the West Lake, Hangzhou is famous in the world.A. for whichB. for thatC. in whichD. what26.I have bought such a watch was advertised on TV.A. thatB. whichC. asD. it27.I can never forget the day we worked together and the day we spent together.A. when; whichB. which; whenC. what; thatD. on which; when28.The way he looks at problems is wrong.A. whichB. whoseC. whatD./29.This is the reason he didn't come to the meeting.A.in whichB. with whichC. thatD. for which30.This machine, for many years, is still working perfectly.A.after which I have lookedB. which I have looked afterC. that I have looked afterD. I have looked after31.The reason he didn't come was he was ill.A.why; thatB.that;whyC. for that;thatD.for which;what32.He is working hard, will make him pass the final exam.A.thatB.whichC.for whichD.who33.That is not the way I do it.A./B.whichC.for whichD.with which34.I have two grammars, are of great use.A. all of whichB. either of whichC. both of thatD. both of which35.I want to use the same tools used in your factory a few days ago.A. as wasB. which wasC. as wereD. which36.My neigh bours used to give me a hand in time of trouble, was very kind of them.A.whoB. whichC. thatD. it37.This is the magazine I copied the paragraph.A.thatB. whichC. from thatD. from which38.He is not such a man would leave his work half done.A.thatB. whichC. whoD. as39.You can depend on whatever promise he makes.A./B. whyC. whenD. whose40.Smoking, is a bad habit, is, however, popular.A.thatB. whichC. itD. though41.--- Did you ask the guard happened?--- Yes, he told me all he knew.A.what; thatB. what; whatC. which; whichD. that; that42.I shall never forget those years I lived on the farm withthe farmers, has a great effect on my life.A.when; whoB. that; whichC. which; thatD. when; which43.The number of the people who cars increasing.A.owns; areB. owns; isC. own; isD. own; are44.During the days , he worked as a servant at the Browns.A.followedB. followingC. to followD. that followed45.Is oxygen the only gas helps fire burn?A.thatB. /C. whichD. it46.The clever boy made a hole in the wall, he could see was going on inside house.A.which; whatB. through which; whatC. through that; whatD. what; that47.Is some German friends visited last week?A.this schoolB. this the schoolC. this school oneD. this school where48.John got beaten in the game, had been expected.A.asB. thatC. whatD. who49.I have bought two ballpens, writes well.A.none of themB. neither of themC. neither of whichD. none of which50.All that can be eaten eaten up.A.are beingB. has beenC. had beenD. have been参考答案及解析1.A. which 用作关系代词，在定语从句中作主语。

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定语从句用来说明主句中某一名词或代词（有时也可说明整个主句或主句中一部分）而起定语作用的句子叫作定语从句。

例如：(3) 非限制性定语从句中，不能用关系代词that,作宾语用的关系代词也不能省略。

在这种从句中，which可以作主语，也可以作宾语或表语，多数情况下意思是与and this 相似，并可以指人。

例如：He succeeded in the competition, which made his parents very happy.(5) that可指人或物，在从句中作表语，（指人作主语时多用who）仅用于限制性定语从句中。

(6)which可作表语，既可指人，以可指物。

指人时，一般指从事某种职业或是有种特征．品性或才能的人。

Which引导的定语从句可以限制性的，也可以是非限制性的。

(7) 如果作先作词的集体名词着眼于集体的整体，关系代词用which;若是指集体中的各个成员，则用who。

(8) 先行词有两个，一个指人，一个指物，关系代词应该用that。

例如：The boy and the dog that are in the picture are very lovely.(9) 如果先行词是anyone, anybody, everyone, everybody, someone,somebody,关系代词应该用 who 或whom，不用 which。

例如：Is there anyone here who will go with youWhere：对于关系副词where的考察，趋于一种“地点的模糊化”。

当先行词表示某人/物的situation，或某事发展的stage，或表达某事的某个方面时都可用关系副词where。

常见的先行词还有point，case等。

3．“介词＋关系代词“是一个普遍使用的结构(1) “介词＋关系代词“可以引导限制性定语从句，也可以引导非限制性定语从句。

“介词＋关系代词“结构中的介词可以是 in, on, about, from, for, with, to at, of, without 等，关系代词只可用whom或 which,不可用 that 。

in which =where for which =why on which = when(2) from where为“介词＋关系副词“结构，但也可以引导定语从句。

例如：We stood at the top of the hill, from where we can see the town..(3) 像listen to, look at, depend on, pay attention to, take care of等固定短语动词，在定语从句中一般不宜将介词与动词分开。

例如：This is the boy whom she has taken care of.二．关系副词引导的定语从句1．关系副词也可以引导定语从句关系副词在从句中分别表示时间．地点或原因。

关系副词when在从句中充当时间状语，where 充当地点状语，why充当原因状语。

2. that可引导定语从句表示时间．地点或原因That有时可以代替关系副词 when, where 或者why引导定语从句表示时间．地点或原因，在 that引导的这种定语从句中，that也可以省去。

三．限制性定语从句与非限制性定语从句1．二者差异比较限制定语从句紧跟先行词，同先行词这间一般不加逗号，仅修饰先行词，可以由关系代词．关系副词或that来引导。

非限制性定语从句仅作补充或说明，用逗号与主句隔开，既可修饰先行词，又可修饰整个主句，不可用that引导。

2．关系代词和关系副词的选择依据(1) 弄清代替先行词的关系词在从句中作什么成分,作状语的应选用关系副词，作主语．宾语或表语的可选用关系代词。

3. 先行词与定语从句隔离定语从句一般紧跟在先行词之后，但定语从句与先行词之间有时也会插入别的成分，构成先行词与定语从句的隔离。

例如：1) This is the article written by him that Is poke to you about..2) He was the only person in this country who was invited四．As在定语从句中的用法1. 引导限制性定语从句和非限制性定语从句（1）as多与such 或the same连用，可以代替先行词是人或物的名词。

（2）as 也可单独使用，引导非限制性定语从句，作用相当于which。

例如：The elephant’s nose is like a snake, as anybody ca n see.3）the same… that与the same …as在意思上是不同的。

2．As引导的非限制性定语从句的位置as引导的非限制性定语从句位置较灵活，可以位于主句前面．中间或后面，一般用逗号与主句隔开，但which所引导的非限制性定语从句只能放在主句之后as is known众所周知，as is often the case情况常常如此，as is supposed 如所料想的，as often happens这种情况常常发生，as is expected在意料之中。

例如：(1) As is expected, the England team won the football match.(2) The earth runs around the sun, as is known by everyone.众所周知, 定语从句可以分为限制性定语从句和非限制性定语从句。

下面结合考例谈谈学习运用非限制性定语从句时应注意的几个问题：一、that不能用来引导非限制性定语从句。

如：【考例一】She heard the terrible noise, ________brought her heart into her mouth.A. itB. whichC. thisD. that【解析】选B。

后半句为非限制性定语从句，尽管先行词noise属于事物，也不能用that而要用which来引导。

which指代noise，在从句中作主语。

二、除which外，还可用when，where，whose，whom等引导非限制性定语从句，且各自的用法及差异与它们用在限制性定语从句时相同。

如：Next month, when you'll spend your summer holidays in your hometown, is approaching. 下个月即将来临，届时你们将在家乡度暑假。

(关系副词when指代表示时间的名词next month，并作从句的状语。

)She is going to live in Macao, where she has some close friends. 她要到澳门去居住，在那里她有几个密友。

(关系副词where指代表示地点的名词Macao，并在从句中作状语。

)【考例二】Recently I bought an ancient Chinese vase, ________was very reasonable.A. which priceB. the price of whichC. its priceD. the price of whose【解析】选B。

whose在从句中作表示所属关系的定语，既可指代人，也可指代物。

指物时，常可转换为of which；指人时常可转换为of whom。

【考例三】In the office I never seem to have time until after 5:30pm,______many people have gone home.A. whose timeB. thatC. on whichD. by which time【解析】先行词5:30 pm与time之间是一种同位关系，可用which来作定语替代。

从句中的完成状态，常与by短语连用。

故选D。

三、在非限制性定语从句中作宾语的关系代词不能省略。

如：He was eager to go to the hospital to see his stepmother, whom he loved as his own mother. 他迫切地想到医院去看望他的继母，他把继母当自己的亲妈妈一样爱戴。

四、非限制性定语从句的关系代词which，既可以指代前面的先行词，也可以指代前面整句的含义。

如：【考例四】Dorothy was always speaking highly of her role in the play, of course,________made the others unhappy.A. whoB. whichC. thisD. what【解析】选B。