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初中定语从句讲解

2020-05-08 来源:易榕旅网
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定语从句

一、定义:在复合句中,修饰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 , 引导定语从句的引导词分为:关系代词 who, whom, whose, which, that等,和关系副词where, when, why等 , 关系代词和关系副词在定语从句中担任句子成份,不可省略。

1.由who引导的定语从句中 , who用作主语 , 如 : This is the boy who often helps me.

2.由whom引导的定语从句中,whom用作宾语,如:The man whom you are waiting for has gone home. 3.由whose引导的定语从句中 , whose用作定语 , 如 : Do you know the girl whose skirt is white? 4.由which引导的定语从句中,which用作主语或谓语动词的宾语或介词的宾语。 如: The room in which there is a machine is a workshop(车间). The river which is in front of my house is very clean. This is the pen which you want. 注意 :

(1)whom, which用作介词宾语时 , 介词可放在 whom、which之前 , 也可放在从句原来的位置上;但在含有介词的动词固定词组中,介词只能放在原来的位置上。

如: He is the very person whom we must take good care of. (2)引导非限制性定语从句时,必须用关系代词which,不用that。 如:I have lost my bag, which I like very much.

(3)关系代词在句中作主语时,从句的谓语动词的人称和数必须和先行词保持一致。

5.由that引导的定语从句中,that可以指人或物,在从句中作主语或谓语动词的宾语,但不能放在介词后面作介词宾语,即介词后只能用which,不能用that.

如:The book that I bought yesterday was written by Lu Xun. 注意:在下面几种情况下必须用 that引导定语从句。 (1)先行词是不定代词something, nothing, anything,everything等, 如 :All that we have to do is to practise English. (2)先行词被序数词或形容词最高级所修饰,

如:The first letter that I got from him will be kept in my case . (3)先行词被all, any, every, each, few, little, no, some等修饰 , 如:I have eaten up all the food that you gave me . (4)先行词被the only, the very, the same, the last修饰时, 如:H e is the only person that I want to talk with. (5)先行词既有人又有物时,

如:They talk about persons and things that they met . (6)当句中已有who时 ,为避免重复 , 如 : Who is the man that is giving us the class? 6.由when, where, why引导的定语从句, 如: I don't know the reason why he was late. This is the place where we have lived for 5 years. I'll never forget the day when I met Mr Li for the first time.

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注意:先行词是表示地点时,如果从句的谓语动词是及物的,就用 that(which),如果从句的谓语动词是不及物的,就用where引导。This is the house which /that he has lived in for 15 years.(where he has lived for 15 year.)

7、限制性定语从句和非限制性定语从句:

(1)限制性定语从句是句中不可缺少的组成部分,主句和从句之间不用逗号隔开,引导限制性定语从句的关系代词有:who,whom,whose,which,of which等,这些关系代词都不可省。

(2)非限制性定语从句是对主句先行词的补充说明,没有这种从句,不影响主句意思的完整性,一般用逗号将其与主句隔开,关系代词用which,不用that;指人时可用who. Eg: I have two brothers, who both are both students. 8、如何简化定于从句

(1)定语从句简化为形容词或形容词短语作后置定语。 Eg:My grandfather lives in a village which is far away from here. →My grandfather lives in a village far away from here.

(2)定语从句简化为现在分词或现在分词短语作前置或后置定语。 Eg:The man who is standing under the tree is our English teacher. →The man standing under the tree is our English teacher. I saw the house that was burning(燃烧)at that time. → I saw the house burning at that time. (3)定语从句简化为过去分词短语作后置定语。 Eg:I like to eat the cakes which are made by my mother. →I like to eat the cakes made by my mother. (4)定语从句简化为不定式作后置定语。

Eg:She is always the first person that comes to school .主动 →She is always the first person to come to school .

The report which will be given tomorrow is very importance for us.被动 →The report to be given tomorrow is very importance for us. (5)定语从句简化为what从句。

Eg:I couldn’t remember the words that he said . I couldn’t remember what he said .

练习、I单选题

1. The silk _______ is made in Hangzhou sells well.

A. that B.who C. what D. /

2. The man_______today left this message for you. A.called B.has called C.whom called D.who called 3. Do you live near the building ______color is yellow? A. that B.which C.whose D. its

4. He helped his father on the farm ______they lived. A. which B.that C.when D. where

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5. I’m one of the boys_____never late for school. A.that is B.who is C.who are D.who am 6. All_____should be done has been done. A.what B.which C.that D.whatever

7. Jack told me everything _______he knew about it. A. what B.that C.which D.who

8. My father works in the factory ______this type of truck is made. A.in where B.in which C.from which D.of which 9. The school_______we visited last week was built in 1956. A./ B.where C.that D.both A and C

10. This is one of the best films_______I have ever seen. A.which B.that C.of which D.of that

11. In fact the Swede(瑞典人) did not understand the three questions_______were asked in French. A.where B.who C.in which D.which

12. He paid the boy $10 for washing ten windows, most of ______ hadn’t been cleaned for at least a year. A.these B.those C.that D.which

13. His parents wouldn’t let him play with anyone ________family was poor. A.of whom B.whom C.of whose D.whose 14. All_______is needed is a wonderful meal. A.the thing B.that C.what D.which

15. In the dark street ,there wasn’t a single person _____she could turn for help. A.that B.who C.from whom D.to whom

16. She heard a terrible noise,______brought her heart into her mouth. A.it B.which C.this D.that

17. -Do you know the man ______is talking with your father? -Yes, he‘s our headmaster. A. he B. who C. which D. whom 18. Is this the river _____I can swim? A. which B. in which C. that D. the one 19. This is the best hotel in the city _____I know. A. where B. which C. that D. it

20. Can you lend me the dictionary ______the other day? A. that you bought B. you bought it C. that you bought it D. which you bought it

21. Anyone ______with what I said may put up you hands. A. which agrees B. who agree C. who agrees D. which agree

22. My watch is not the only thing ______ is missing.

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A. that B. it C. which D. who

23. The man ______coat is black is waiting at the gate A. who’ s B. whose C. that D. of which.

24. The girl ______ is reading under the tree _____my sister. A. which; is B. whom; was C. who; is D. who; was 25. I love places ______the people are really friendly. A. that B. which C. where D. who 26. The world ______ is made up of matter. A. in that we live B. on which we live C. where we live in D. we live in

II 用适当的关系词填空:

1) I’ll never forget the day on ________ they met for the very first time last summer. 2) This is the place _________ he so often mentioned(提及、谈论) to me.

3) The only thing ________ interested him was that he could do anything _________ he wanted to.

4) “What a scientist! What a wonderful invention!” he talked excitedly about Bill Gates and his Microsoft Comp -any _________ is now a focus (焦点) of newspapers and television. 5) He is old, ________ fact is important in this case.

6) Finally, the thief handed everything __________ he had stolen. 7) We talked about the things and persons _________ we saw then. 8) With _________ were you talking?

9) This is the very present __________ my mother gave me. 10) Which is the bike __________ is made in Shanghai? 11) I think this is the most beautiful dress ______ I own.

12) Those _______ want to buy the house may sign their names(签名)first. 13) My sister, __________ you met in Guangzhou, has bought a new car. 14) That’s the way _______ they work.

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