定语从句专题复习

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定语从句专题复习高二英语备课组定语从句是用来充当句中定语的主谓结构;它用于修饰句子中的名词、代词。

常紧跟在被修饰的名词、代词的后面。

一.先行词:被定语从句修饰的名词或代词二. 关系词定语从句中的关系词只有两类:关系代词和关系副词。

定语从句中的所有关系词不但都有具体的意义而且都在从句中担任一定的成分。

◆关系代词:who , whom , whose , which , that,as1.who用于先行词是人,在从句中作主语;也可取代whom在从句中作动词的宾语。

I have no idea about the man who wrote the article .The little boy who is singing there can recite quiet a number of Chinese poems .2.whom用于先行词是人,在从句中作动词或介词的宾语。

Who is the girl whom ( who ) you talked to just now ?Y esterday, I happened to meet , in the shopping center , the professor who ( whom ) I got to know at a party .They are looking for the patient on whom doctors just performed an operation .3.whose 用于先行词是人或物,在从句中作定语,可以与of which 调换.常与它所修饰的名词一起构成一个名词短语在从句中担当成分。

Whose常表达"某人的、某物的"之意。

Do you know the name of that girl whose brother is your roommate ?4.which 用于先行词是物,在从句中作主语、宾语;在非限制性定语从句中可代表整个句子的意思I've got a novel which you may like to read .That was a fault which could not be forgiven .The earth is turning around the sun, which is known to everyone.5.that 既用于先行词是人或物;在从句中既可以作主语,也可以作谓语动词的宾语,但是不能作介词的宾语。

在一定范围内,that = who / whom / whichV iews that (which ) are entirely new or foreign may also be hard to accept .Salaried people that ( who) stand there are our teachersWho is the girl to that you talked just now ? (错误)6.as可作为关系代词引导限和非限定性定语从句。

在从句中作主,宾,表语等(1)在限定性定语从句常用于such … as,the same … as 等句式中Such points as you've mentioned are really important in solving the problem .This computer has the same functions as that one has .★注意:当先行词有the same修饰时,也用that引导定语从句,但是和由as 所引导的定语从句意思不同She wore the same dress that she wore at Mary’s wedding.她穿着她在MARY婚礼上穿过的一条裙子。

She wore the same dress as her young sister wore.她穿着和她妹妹所穿的一样的裙子。

(2)在非限定性定语从句as可以指全句内容,译为“正如” 从句既可以放在主句之前,也可以放在主句之中或之后。

)As I know , she hasn't got married .They won the first place in the game, as could be expected.Professor Li is extremely popular among students , as is known to all of us .(3)关系代词as和whic h引导非限制性定语从句的区别1.as和whic h都在定语从句中做主语或宾语,代表前面整个句子。

此时as译为“正如”,which译为“这一点”。

He married her, as/which w as natural.He was honest, as/whic h we c an see.2. as 引导非限制性定语从句,可放在主句之前,之中,之后,甚至可以切割一个主句;w hich引导的非限制性定语从句只能放在主句之后。

As is known to all, China is a developing country.He is from the south, as w e can see from his acc ent.John, as you know, is a famous writer.He has been to Paris more than several times, whic h I don’t believe.◆注意:定语从句中作宾语的关系代词可以省略This is the book ( which ) you were looking for yesterday .I don't like the novel ( that ) you are reading .◆定语从句谓语动词的单复数取决于先行词的单复数。

Those who are in their forties are required to have a physical examination this afternoon . This is the magazine which was sent to me by post .◆.that 和which指物时只用that不用which的情况:1.先行词是all , everything , something , nothing , anything等不定代词时,例如:Anything that can burn is a source of heat energy .There must be something that happened to you .They had nothing that could cure of his disease .2先行词有序数词或形容词的最高级,例如:This is the most impressive TV theater that has never been put on show before .We have to consider the first thing that starts our work .3. 先行词是或有the very, the only, the last修饰时That is the only way that leads to your success .那是通向你成功的唯一之路。

4. 先行词既有人又有物时I’ll never forget the persons and the days that we spent together.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) Whic h is the T-shirt that fits me most?◆在下列情况下却只用which而不用that:1.先行词是物,在从句中作介词的宾语,只能用which 。

The world in which we live is made of matter .★关系代词虽然在从句中作介词的宾语,但介词没有提前也可用thatThe world that we live in is made of matter.The world in that we live is made of matter.(×)2. 非限定性定语从句中关系词是物做主语,宾语,表语时, 只能用whichThe sun heats the earth , which makes it possible for plants to grow .三.关系副词:when , where , why 在从句中作时间,地点,原因状语= 介词+ which 。

1.when 代替表示时间的名词,而这个名词在从句中又与介词构成了短语,在从句中充当状语,意为“在什么时候”People will always remember the time when Hong Kong and Macao returned to our motherland .We don't know the exact time when the English Evening will be held .2.where 代替表示地点的名词,而这个名词在从句中又与介词构成了短语,在从句中充当状语。

意为“在什么地方”The place where we're to have the Speech Contest has not been decided yet.He is living in a newly-built house where there used to be a pond .3.why 代替表示原因的名词,而这个名词在从句中又与介词构成了短语,在从句中充当状语。

意为“为什么原因” 先行词常为“the reason”可用for which来换He didn't tell her the reason why he was so happy .The reason why she was late is not so acceptable .四.介词+关系代词关系代词是人,prep+whom关系代词是物, prep+which,关系代词做定语prep+whose+名词。