高中英语定语从句详解

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1、高中英语定语从句详解. 概念： (1) 定语从句：在主从复合句中用作定语的从句叫定语从句。定语从句一般紧接在先行词(antecedent)后面。 (2) 先行词：被定语从句修饰的成份。先行词可以为一个词，短语，或整个主句。 (3) 引导定语从句的词叫关系词，分为关系代词和关系副词。 关系词的作用： 1) 引导定语从句，连接主句和从句，相当于一个连词； 2) 必在从句中作某个句子成份（可以做主语，宾语，表语，定语，状语）3) 常用的关系代词: that、 which、 who、whom、whose、as 、4) 常用的关系副词（在从句中只作状语）: when、why、 where The stu

2、dent who answered the question was John. I know the reason why he was so angry. The boy (whom) you are talking to is my brother. Id like a room whose window looks out over the sea. 定语从句三步： 第一找出先行词； 第二看先行词在定语从句中的语法功能（做主语、宾语或状语）； 第三选择合适的关系词。 . 几个关系代词的基本用法： that: 可指人或物；在定语从句中作主语，宾语，表语。(指人时，相当于who或 whom

3、；指物时，相当于which)(一般不用于非限制性定语从句; 不可置于介词后作宾语) 如： 1. A letter that/which is written in pencil is difficult to read. (主语) 2. Do you know the gentleman that/who spoke just now? 3. You can take anything ( that) you like. （宾语） 4. What is the question (that/which) they are talking about? 5. Here is the man (

4、who/whom/that ) you want to see. 6. Shes no longer the girl ( that) she used to be before.（表语） 7. Our hometown is no longer the one (that) it used to be. = Our hometown is not the same as it used to be. = Our hometown is different from what it used to be。 = Our hometown is not what it used to be. 8.

5、 which: 指物；在定语从句中作主语，宾语，表语，定语。如： 1. The book which/that was on the desk was bought by my father.（主语） 2. The book (which/that) I bought yesterday is very interesting.（宾语） 3. The factory in which his father works is far from here. 4. He was proud, which his brother never was. （表语） 5. Tom spent four ye

6、ars in college, during which time he learned French.（定语） 6. He may be late, in which case we ought to wait for him. who, whom, whose: who: 主格, 在从句中作主语，在口语或非正式用法中作宾语; 只可指人 whom: 宾格，在从句中作宾语; 只可指人 whose: 属格，在从句中作定语，可指人也可指物。 I like the students who/that work hard. （主语） All who heard the story were amaze

7、d. (代词如he, they, any, those, all, one等后多用who.) Chaplin, for whom life had once been very hard, was a success as an actor. （宾语） Hes a man from whom we should learn. = Hes a man (whom/who/that) we should learn from. 比较：He is the student whom you think to be worthy of your praise. He is the student who

8、 you think is worth praising. A child whose parents are dead is called an orphan.（指人） Id like a room whose window faces south. （指物） =Id like a room of which the window faces south. =Id like a room the window of which faces south. There is a teapot shaped like a Chinese duck, out of whose mouth tea i

9、s supposed to come 关系代词作介词宾语: 关系代词在定语从句中用作介词宾语时, 介词可放于从句之首, 也可放于从句之末. 但以放于句首较为正式.（介词前置，必须注意不影响动词词组的含义。关系代词who 和 that 用作介词宾语时, 介词必须放在句末.） This is the book for which you asked. =This is the book (that/which) you asked for. Do you know the person with whom I shook hands？= Do you know the person (whom/w

10、ho/that) I shook hands with? The beginning of agriculture was a big step in human progress with which nothing could compare until our information age. In the dark street, there wasnt a single person to whom she could turn for help. Is this the factory to which you paid a visit last week? Is this fac

11、tory the one to which you paid a visit last week? This is the girl whom they are looking after. (介词after与look构成固定词组，不可前置。look at, look for, look after, take care of等) as 的用法:(as 引导定语从句, 在定语从句中作主语、宾语、表语) 如为限制性的，多用于the same as ; the same as；such as ; as many/much as；so as等结构中。如： I have the same book a

12、s you (have). 我有一本和你的一样的书。 Her attitude to him was quite the same as it had always been. (关系代词as和指示代词same连用, 在从句中用作表语, 先行词是same.) .-Why didnt you mention that in face of the police just now? - I thought it was such a minor detail as was hardly worth mentioning. We will only discuss such problems as

13、have something to do with our own interests. Dont do such things as you are not sure about. There is no such place as you dream of in all this world. 比较：I live in the same house that he used to live in. Im wearing the same shirt as you wore yesterday. 比较：Here is so big a stone as no one can lift. （定

14、语从句） Here is so big a stone that no one can lift it.（结果状语从句） 如为非限制性的，多单独引导一个定语从句，这种定语从句可置于句首，句中或句尾，译为正如，这一点。（动词常为know, see, expect, point out, etc.） As we all know, smoking is harmful to ones health . (as 作宾语) =As is known to all, smoking is harmful to ones health . （as 作主语） =Its known to all that s

15、moking is harmful to ones health . =Smoking is harmful to ones health , as we all know .（as 作宾语） =Smoking, as we all know, is harmful to one health. He was a foreigner, as I knew from his accent. (宾语, 先行词是前面整个句子) . 关系副词引导的定语从句: When 指时间，在定语从句中作时间状语。其先行词是表时间的名词（如：time, day, week, tear, month, etc.） H

16、e came last night when I was out. We will put off the picnic until next week, when the weather would be better. 注意：先行词为时间名词，可用when引导定语从句，when在定语从句中作状语；还可以用which或that 引导，which或that在从句中作主语或宾语。 比较: I still remember the day when /on which my brother joined the army.（作状语） Next month, when you will be in

17、your hometown, is just around the corner. I still remember the days which/that we spent together. （作宾语） Next winter which/that youll spend in Harbin, Im sure, will be exciting. I shall never forget the day when Shen Zhou was launched, which has a great effect on my life. There are occasions when jok

18、ing is not permissible. Where 指地点，在定语从句中作地点状语。其先行词是表示地点的名词，如：place, school, factory, room, etc. This is the place where I was born. I live in the room where /in which he used to live. 注意：先行词是地点名词，定语从句可用where引导，还可用which或that引导，which/that 在从句中作主语或宾语。 比较: This is the factory where /in which he worked l

19、ast year. （作状语） The treatment will continue until the patient reaches the point where he can walk correctly and safely. I think you have got to the point where a change is needed, or you would fail. Government reports, legal papers and most business letters are the main situations where English is u

20、sed. Hes got himself into a dangerous situation where hes likely to lose control of the plane. The small mountain village where we spent our holiday last month lies in what /the place which is now part of Hubei. This is the park which/that they visited last year. （作宾语） Not having been there before,

21、he simply had no idea about the place, which everyone says is worth visiting. Why 指原因，在定语从句中作原因状语。先行词为reason 时，可用for which指代；当关系词在从句中作主语或宾语时，则用which或that 引导。如： The reason why / for which / (that) he didnt attend the meeting was that he was ill. I dont believe the reason (that/which) he gave me. （作宾语

22、） Have you asked him the reason that may explain his success? （作主语） Ex.) He was late .Thats because he got up late. .He got up late. Thats why he was late.(表语从句) the reason why/for which he was late is that he got up late. (定语从句) 当先行词为way时，定语从句常用that, in which. that常可以省略。 way后的定语从句 的引导词不用时较多。但如果关系词在

23、句中作主语或宾语 时，则用which或that 引导。如: This is the way (that) /in which I do such things. 比较: Please do the experiment in the way （that/which）I have shown you. . 限制性定语从句与非限制性定语从句的区别： 1. 形式上，非限制性定语从句往往用逗号隔开。 2. 语法上，非限制性定语从句一般不用that. 3. 语义上，限制性定语从句与先行词关系紧密，起限定作用，如果去掉了这个定语从句，整个句子就不完整或者会改变意思；而非限制性定语从句与先行词关系不是很紧密

24、，对先行词起补充说明或描述的作用。 This is the book I like best. 这就是我最喜欢的那本书。 Beijing, which has been Chinas capital for more than 800 years , is rich in cultural and historic relics. 北京是中国八百年之久的古都，它有着丰富的文化和历史遗产。 4. 翻译时，限制性定语从句可译为一句（较短的一般译为的字结构）；而非限制性定语从句可译为两句。（见上句翻译） 比较: He has a sister, who is a musician. He has a

25、 sister who is a musician. 引导非限制性定语从句的关系代词，指人时用who, whom, whose , 指物时用which , whose; 关系副词when，where, why, etc. 1. He studied hard at school when he was young, which leads to his success in his later life. 2. Toms father, who arrived just now, is a famous scientist. 3. They set up a separate state of

26、 their own, where they would be free to keep Negroes as slaves. 4. He was proud, which his brother never was. . 几个易混淆的关系代词的比较: that & which: 在定语从句中，which 和that 在指代事物时，一般可以互换使用，但并非在任何情况下都是这样，这里介绍宜用that, 而不宜用which 的情况. 先行词为不定代词,all,much,something,everything,anything,nothing,none,the one等, 1.We should

27、do all that is useful to the people . 2. Theres nothing that can be said about it . 3. Do you mean the one that was bought yesterday? 先行词被only, any, few, little, no, just, very, one of等词修饰时。 1.The only thing that we could do was to wait. 2. Thats the very word that is wrongly used. 3. The last place

28、 (that) we visited was the chemical works. You can take any (=whichever) seat that is free. I hope the little that I can do will be of some help to them. 比较 *This is one of the best novels that were published last year. *This is the only one of the best novels that was published last year. 先行词是序数词时或

29、被序数词修饰时。 1.When we talk about Wuxi, the first that comes into mind is Tai Lake. 2. This is the third film that has been shown in our school this term. 先行词是最高级或被最高级修饰时。 1. This is the best that can be done now. 2. The most important thing that should be done right now is how to stop him from going on

30、. 先行词既有人又有物，用which和who都不适合，这时宜用that. 如： 1.The writer and his novel that you have just talked about is really well known . 2.The rider and his bike that had run over an old woman were held up by the police. 被修饰词为数词时. 1.Yesterday I caught two fish and put them in a basin of water .Now you can see the

31、two that are still alive . 如果有两个从句，其中一个关系代词已用which ,另一个关系代词宜用that，以避免语言的单调或重复。 Edison built up a factory which produced things that had never been seen before. 疑问词是who或which，关系代词宜用that，以避免重复。 1. Which is the book that you like best? 2. Who is the man that is standing at the gate? 主句是There be 结构，修饰其主

32、句的定语从句宜用that 作关系代词. 如： 1. There is still a seat in the corner that is still free. 被修饰成分为表语时，或者关系代词本身是定语从句的表语时,该关系代词宜用that . 1. Thats a good book that will help you a lot. 2. My home village is no longer the place ( that ) it used to be . 定语从句中宜用which而不宜用that 的情况: 当关系代词的前面有介词时. 1.A zoo is a park in w

33、hich many kinds of animals are kept for exhibition. 2.Is this the room in which Mr. White lives? 在非限制性定语从句中. 1.Crusoes dog, which was are now very old, became ill and died . 2.More and more people are beginning to learn English, which is becoming very popular in our country. (which指代主句) 在一个句子中有两个定语从

34、句，其中一个定语从句的关系代词用了that, 另一个宜用which . 1. Let me show you the novel that I borrowed from the library which was newly open to us. 2. At the station I bought some magazines that might help me to pass the time on the train and which I could pass on to others when I finished them. 当关系代词后面带有插入语时. 1. Heres t

35、he English grammar which, as I have told you, will help improve your English. 先行词本身是that, 宜用which . Whats that which she is looking at? 先行词是those+复数名词. A shop should keep a stock of those goods which sell best. (B) who & that: who 和 that 指代人时，有些情况宜用who, 而不宜用that 先行词为anyone, anybody, those, all, one,

36、 ones, they, he, people时. 如： 1.The person I want to learn from is the one who studies hard and works well. 2.Anyone who (=Whoever) failed to come to the meeting yesterday must give his reason . 3.Those who are not fit for their work should leave office at once 4.I dont like the ones (= those ) who t

37、alk big. 5.Persons who are quarrelsome are despised在There be 结构中，修饰主语的定语从句宜用关系代词who 指代人. 如： 1.There is a gentleman who wants to see you . 2.There are several students in our class who are still not sure about the use of attributive clauses. 当先行词有较长的后置定语时. 如： 1. I met a foreigner in the park yesterda

38、y afternoon who could speak Chinese very well. 一个句子中带有两个定语从句，其中一个定语从句的关系代词是that ,另一个则宜用who, 以免重复. 如： 1. The student that was praised at yesterdays meeting is the monitor who is very modest and works very hard . as & which: as & which 引导非限制性定语从句的区别： 位置的不同： which 引导的定语从句只置于所限制的 句子后；as 位置较灵活，也就是说as可置于所

39、限制的句子前面；插在句子中或放在句子后。如： 1. He was late again, which made his teacher very angry. 2. Jack, as you know, is an honest man. 或Jack is an honest man , as you know. 或As you know, Jack is an honest man. 先行词的不同： as引导非限制性定语从句时，其先行词多为一个句子； which引导非限制性定语从句时，其先行词可以是一个词，一个短语或一个句子。 He was proud, which his brother

40、never was. （先行词是一个词） She was very patient towards the children, which her husband seldom was. He was proud, which I dislike very much.（先行词是一个句子） He is an honest man, as is known to all. He was a foreigner, as I know from his accent. as 一般译为正如就像，这一点 as we all know；as you know; as is known to all; as

41、you see; as we can see; as has been expected; as we have imagined. 训练题汇总 EX1. 用定语从句完成下列句子。 1This is the most beautiful forest _(我所见过的). 2Dou Po Tang(陡坡塘) Waterfall, _(位于贵州省的), is 105 meters wide and 21 meters high. EX2用适当的关系词填空. Have a try! ! ! 1. I will never forget the day _ I first went to school

42、. I will never forget the day _ we spent in Beijing. 2. The house _ we visited is being repaired now. 3. The house _ Luxun once lived is being repaired now. Ex3选择适当的代词填空，注意非限制性定语从句和单句的比较。 1.I am reading Harry Porter, _is an interesting book. 2. He failed in the exam._ made his parents angry. 3.He fa

43、iled in the exam, _made his parents angry. 4.He has two sons. Both of _ are teachers. 5.He has two sons, both of _ are teachers. EX4 思考:用五种方式（定语从句）翻译句子 这是他工作的工厂1. This is the factory he works. 2. This is the factory he works. 3. This is the factory he works in. 4. This is the factory he works in. 5.

44、 This is the factory he works in. EX5 思考: 介词+关系代词的情况 介词+关系代词的情况 （11.The man whom you spoke was a scientist. 2.The city she lives is far away. 介词+关系代词的情况（2） Are these two sentences right? The man who/whom you spoke to was a scientist. The city that/which she lives in is far away. 介词+关系代词的情况（3） Are th

45、ese two sentences right? The man to who/whom you spoke was a scientist. The city in that/which she lives is far away. 结论： 介词+关系代词的情况 ( 4) 下面两句中的介词能提前吗? Is this the watch that you are looking for? The old man whom I am looking after is better . 结论： Sum up:介词+关系代词 介词关系代词引导的定语从句, 关键是判断介词的选择. 方法一:根据从句中动

46、词与先行词习惯搭配 方法二:根据从句中动词与先行词的逻辑关系 注意：关系代词在定语从句中作介词宾语时，从句常常由“介词+关系代词”引出。此时关系代词只能用which 或 whom; 不可用that 或who 代替。 Ex6: 介词+关系代词的使用 1. Do you like the book she spent $10? 2. Do you like the book she paid $10? 3. Do you like the book she learned a lot? 4. Do you like the book she often talks? 5. He dug a hole he could got water from the lake.6. There is a tall tree outside, stands our teacher.7. China has a lot of rivers, the second longest _is the Yellow River. 8. The man _ I spoke on the phone last night is very good at swimming.