定语从句完整解析.docx
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定语从句完整解析.docx
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定语从句完整解析
定语从句
1.定语从句 —— 修饰名词或代词的从句。
换句话说,名词、代词后的从句叫定语从句。
2.先行词 —— 被定语从句修饰的名词、代词、甚至词组或句子叫先行词。
3.关系词 —— 引导定语从句的词叫关系词。
4.关系词分两种:
一是关系代词(在定语从句中担任主、宾、表、定语成分)
二是关系副词(在定语从句中担任状语成分)
关系词的三个功能:
1. 连接功能(连接先行词与定语从句);
2. 担任功能(在定语从句中担任主、宾、表、定、状语);
3. 替代功能(在定语从句中代替先行词)。
A plane is a machine. The machine can fly.
A plane is a machine, and the machine can fly.A plane is a machine that can fly.
5.关系代词有:
who, whom, whose, that, which, as
在定语从句中可担任主语的是:
who, that, which, as
在定语从句中可担任宾语的是:
who, whom, that, which, as
在定语从句中可担任定语的是:
whose, which
当先行词是人时,可用的关系词是:
who, whom, that, as
当先行词是物时,可用的关系词是:
which, that, whose, as
6.关系副词有:
when (先行词为时间),
where (先行词为地点),
why (先行词为原因)
关系副词 = 介词 + which / whom
7.定语从句分为两种:
限制性与非限制性。
先行词与关系词之间无逗号隔开为限制性;有逗号隔开则为非限制性。
非限制性定语从句一般不可用关系代词that引导。
唯一可以置于先行词之前的定语从句由关系代词as 引导
二.关系代词引导的定语从句
1.who指人,在从句中做主语或宾语
(1) The boys who are playing football are from Class One.
(2) Yesterday I helped an old man who lost his way.
2. whom指人,在定语从句中充当宾语,常可省略。
(1) Mr. Liu is the person (whom) you talked about on the bus.
(2) Mr. Ling is just the boy whom I want to see.
注意:
关系代词whom在口语和非正式语体中常用who代替,可省略。
(3) The man who/whom you met just
now is my friend.
3. which指物,在定语从句中做主语或者宾语,做宾语时可省略
(1) Football is a game which is liked by most boys.
(2) This is the pen (which) he bought yesterday.
4. that指人时,相当于who 或者whom;指物时,相当于which。
在宾语从句中做主语或者宾语,做宾语时可省略。
(5) The number of the people that/who come to visit the city each year rises one million.
(6) Where is the man that/whom I saw this morning?
5. whose通常指人,也可指物,在定语从句中做定语
(1) He has a friend whose father is a doctor.
(2) I once lived in a house whose roof has broken.
whose指物时,常用以下结构来代替
(3) The classroom whose door is broken will soon be repaired.
(4) The classroom the door of which is broken will soon be repaired.
(5) Do you like the book whose cover is yellow?
(6) Do you like the book the color of which is yellow?
三.介词+关系代词引导的定语从句
关系代词在定语从句中做介词宾语时,从句常由介词+关系代词引导
(1) The school (that/which) he once studied in is very famous.
(2) The school in which he once studied is very famous.
(3) Tomorrow I will bring here a magazine (that/which) you asked for.
(4) Tomorrow I will bring here a magazine for which you asked.
(5) We'll go to hear the famous singer (whom/that/who) we have often talked about.
(6) We'll go to hear the famous singer about whom we have often talked.
注意:
1. 含有介词的动词短语一般不拆开使用,如:
look for, look after, take care of等
(1) This is the watch which/that I am looking for. (T)
(2) This is the watch for which I am looking. (F) 2. 若介词放在关系代词前,关系代词指人时用whom,不可用who或者that;指物时用which,不能用that;关系代词是所有格时用whose
(1) The man with whom you talked is my friend. (T)
(2) The man who/that you talked with is my friend. (F)
3.“介词+关系代词”前可有some, any, none, both, all, neither, most, each, few等代词或者数词
(1) He loved his parents deeply, both of whom are very kind to him.
(2) In the basket there are quite many apples, some of which have gone bad.
(3) There are forty students in our class in all, most of who are from big cities.
四.关系副词引导的定语从句
1. when指时间,在定语从句中做时间状语
(1) I still remember the day when I first came to the school.
(2) The time when we got together finally
came.
2. where指地点,在定语从句中做地点状语
(1) Shanghai is the city where I was born.
(2) The house where I lived ten years ago has been pulled down.
3. why指原因,在定语从句中做原因状语
(1) Please tell me the reason why you missed the plane.
(2) I don't know the reason why he looks
unhappy today.
注意:
关系副词引导的从句可以由“介词+关系代词”引导的从句替换
(1) The reason why/ for which he refused the invitation is not clear,
(2) From the year when/in which he was going to school he began to know what he wanted when he grew up.
(3) Great changes have taken place in the city in which/where I was born.
五.限制性定语从句和非限制性定语从句
限制性定语从句举例:
(1) The teacher told me that Tom was the only person that I could depend on.
(2) China is a country which has a long history. 非限制性定语从句举例:
(关系词不可省略)
(1) His mother, who loves him very much, is strict with him.
(2) China, which was founded in 1949, is becoming more and more powerful.
限制性定语从句对被修饰的先行词有限定制约作用,使该词的含义更具体,更明确。
限制性定语从句不能被省略,否则句意就不完整。
非限制性定语从句与先行词关系不十分密切,只是对其作一些附加说明,不起限定制约作用。
如果将非限制性定语从句省去,主句的意义仍然完整。
难点分析
(一)限制性定语从句只能用that 的几种情况
1.当先行词是
anything, everything, nothing
(something除外),
few, all, none, little, some 等代词时,或者是every, any, all, some, no, little, few, much 等修
时
(1) Have you taken down everything that Mr. Li has said?
(2) There seems to be nothing that seems impossible for him in the world. (3) All that can be done has been done. (4) There is little that I can do for you.
注意:
当先行词指人时,偶尔也可以用who
(4) Any man that/.who has a sense of duty won't do such a thing.
2. 当先行词被序数词修饰
(1) The first place that they visited in London was the Big Ben.
3. 当先行词被形容词最高级修饰时
(1) This is the best film that I have seen.
4. 当先行词被the very, the only修饰时
(1) This is the very dictionary that I want to
buy
(2) After the fire in his house, the old car is the only thing that he owned.
当先行词指人时,偶尔也可以用who
(3) Wang Hua is the only person in our school who will attend the meeting/
5. 当先行词前面有who, which等疑问代词时
(1) Who is the man that is standing there?
(2) Which is the T-shirt that fits me most?
6. 当先行词既有人,也有动物或者物体时
(1)Can you remember the scientist and his
theory that we have learned?
(二)关系代词as和which 引导的定语从句
as和which引导非限制性定语从句,有相同之处也有不同之处。
具体情况是:
1.As和which都可以在定语从句中做主语或者宾语,代表前面整个句子。
(1) He married her, as/which was natural.
(2) He was honest, as/which we can see.
2. as引导非限制性定语从句,可放在主句之前,或者主句之后,甚至可以切割一个主句;which引导的非限制性定语从句只能放在主句之后。
另外,as有“正如„„,正像„„”的意思
(1) As is known to all, China is a developing country.
(2) He is from the south, as we can see from
his accent.
(3) John, as you know, is a famous writer.
(4) He has been to Paris more than several times, which I don't believe.
注意:
当主句和从句存在逻辑上的因果关系时,常用which
(5) Tom was always late for school, which
made his teacher angry.
3. 当先行次受such, the same修饰时,常用as
(1) I have never heard such a story as he tells.
(2) He is not such a fool as he looks.
(3) This is the same book as I lost last week.
(三)以the way为先行词的定语从句通常由in which, that引导,而且通常可以省略。
(1) The way in which/ that/./ he answered the question was surprising.
(五)区分定语从句和同位语从句
1.定语从句修饰先行词,它和先行词是修饰关系;同位语从句说明先行词的具体内容,是补充说明的关系
(1) The plane that has just taken off is for London. 定语从句
(2) The fact that he has been dead is clear. 同位于从句
2.定语从句由关系代词或者关系副词引导,关系词在句中充当成分,有时可以省略;同位语从句主要由that引导,在句中一般不做成分;句子也可以由
when, where, how, why, whether, what
等词引导,充当成分
(1) The news he told me is true.
(2) The news that he has just died is true.
(3) The problem that we are facing now is how we can collect so much money. 定语
(4) The problem how we can collect so much money is difficult to solve.
3. 同位语从句和先行词一般可以用be动词发展成一个完整的句子,而定语从句不可以
(1) The idea that we could ask the teacher for advice is wonderful.
(2) The idea was that we could ask the teacher for advice.
(3) The fact that the earth moves around the earth is known to all. 同位语
(4) The fact is that the earth moves around
the earth.
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