定語從句語法詳解

1、定語從句語法詳解，希望能夠幫助考生備考英語學(xué)科考試，贏得高分。一、定語句子中修飾名詞或代詞的成分叫做定語。定語可以由形容詞，名詞，不定式，分詞，動名詞或從句來充當(dāng)。eg: She is a beautiful girl.（形容詞）I met some one funny on my way to Beiji ng.（形容詞）（修飾不定代詞的定語后置）He is an English teacher.（ 名詞）（名詞作定語時一般用單數(shù)，例外的有sports,女0 a sports star）I have a lot of work to do.（ 不定式）The book written by

2、a schoolboy is very popular now.（ 過去分詞短語 ）We can see the rising sun.（ 現(xiàn)在分詞）=the sun is rising.s brother.（）從句He is in the reading room.（ 動名詞）=the room for readingThe boy who broke the win dow is Tom注意：1.形容詞作定語一般放在所修飾的詞前面；但當(dāng)形容詞修飾的是 somethi ng, any thi ng, everyth ing, nothing, some one, every one, eve

3、rybody, somewhere等不定代詞時，要放在這些詞的后面。present （在場的）,absent （缺席的）作定語時需要后置。students present / absent2.不定式做定語通常要放在被修飾的詞后。3分詞作定語時，即可放在所修飾詞前，也可放在所修飾詞后1）分詞前置：單獨的一個分詞作定語，一般放在所修飾詞前。He is a retired worker.他是位退休的工人2）分詞后置分詞在以下情況，放在所修飾詞的后面這是所給的問題沒有有趣的東西ii.個別分詞如given, left;This is the questi on give n.iii.修飾不定代詞 som

4、eth ingThere is nothing in teresti ng.過去分詞作定語與其修飾的詞是被動關(guān)系，相當(dāng)于一個被動語態(tài)的定語從句。Most of the people in vited to the party were famous scie ntists.=Most of the people who were in vited to the p arty were from South Africa二、定語從句(Attributive Clauses)在句中做定語，修飾一個名詞或代詞，被修飾的名詞，詞組或代詞即先行詞。定語從句通常出現(xiàn)在先行詞之后，由關(guān)系詞 （關(guān)系代詞或關(guān)系

5、副詞）引出。關(guān)系代詞有： who, whom, whose, that, which 等。關(guān)系畐y詞有： when, where, why 等。I like the books that are writte n by Mr. Gree n.先行詞關(guān)系詞A.關(guān)系詞:關(guān)系詞通常有三個作用：引導(dǎo)定語從句，指代先行詞，在定語從句中充當(dāng)句子成分。關(guān)系詞類別關(guān)系詞先行詞充當(dāng)從旬中的句子成分關(guān)系代詞1who人主，賓，表1vhojh人盍1vhicL輛主，肖表that人或物主Si表as人或物1圭表Those人或物i* 關(guān)系畐恫vheie地點狀when時間狀why=rea-3on狀OffenAnyone who

6、 breaks the law will surely be puni shed.1.先行詞指人時，定語從句的引導(dǎo)詞:指人時，who和that都可以使用.who.who和whom都可以作定語從句賓語，但從句中的介詞提前時，不能用He is the man who / whom I talked to you about.=He is the man about whom I talked to you.先行詞是人時，只用 who,不用或少用that的情況:a.當(dāng)先行詞是one, ones, anyone時，引導(dǎo)定語從句的關(guān)系詞一般只用who,不用that如果先行詞是 someone, 也可用t

7、hatHe is not one who is easily frighte ned.I thi nk Joe is the one who borrowed my peo.The ones who tell lies wont gain otherstrust.Anyone who saw the accide nt should phone the p olice.Some one who / that claims to be your un cle wants to see you.b.先行詞是those時，關(guān)系代詞一般用who不用thatThose who don t wish to

8、 go need not go.who來引導(dǎo)c. There be句型中，修飾人的定語從句的關(guān)系代詞一般只用There is a certa in old man in the village who none of us likes.d.若一個句子中有兩個定語從句，第一個已經(jīng)用that,則第二個一般用 whoThe man that is talk ing with our teacher is the p rofessor who gave us a report yesterday.e.當(dāng)定語從句與先行詞較遠(yuǎn)時，引導(dǎo)定語從句的關(guān)系代詞一般只用whoI came across my fir

9、st teacher in the store yesterday who was still beautiful.f非限定性定語從句只用who來引導(dǎo)，不用thatHe has a son, who is a doctor.當(dāng)先行詞是人，只用 that不用who的情況:a. 以who開頭的特殊疑問句，定語從句的先行詞如果是人，關(guān)系代詞只用that 不用 whoWho is the girl that said hello to you just now?b. 當(dāng)先行詞既有人也有物時，定語從句只用that來引導(dǎo)They ofter talk about the person and thi ng

10、s that they remember.c.當(dāng)關(guān)系代詞在定語從句中作表語時，只用that來引導(dǎo)He s cha nged. He is not the man that he was.d.當(dāng)先行詞被形容詞的最高級修飾時，只用that.This is the most beautiful lady that I have ever met.e.當(dāng)先行詞是other時，定語從句只用that引導(dǎo)。2.先行詞是物時that和which 一般可以互換使用，但有時不可換用。(1)下列場合一般用that: a.先行詞是 all, much, anything, someth ing, nothing, e

11、veryth in g, little, the one, none等不定代詞We should do all that is useful to the people.The little that I have see n of his work is satisfactory.b.先行詞被序數(shù)詞，形容詞最高級以及first, last, any, only, few, much, no, some, very等詞修飾The first book that I bought in this bookstore is a dict ionary.The last person that I

12、talked with in London is my girlfrie ndThe best teacher that I have ever met has gone abroadYou can take any seat that is vaca nt.c. 先行詞有兩個：一個指人，另一個指物I miss all the people and p laces that we visited last summerd.主句是以who或which開頭的特殊疑問句。e. There be 句型中，There is a seat in the corner that is free.f.先行詞為

13、數(shù)詞時Three buildi ngs have bee n compi eted, but there are two that are still un der con structi on.(2)下列場合不能用thata.在非限定性定語從句中，即逗號后的定語從句不用that引導(dǎo)，指人時用who或whom,指物時用which.b.在介詞+關(guān)系代詞”結(jié)構(gòu)中不用that,指人時用whom,指物時用which.This is the book about which we are talk ing.c.先行詞為that, those時，關(guān)系詞用 which指物，who指人What s that

14、which you have got in your hand?d.兩個定語從句，一個用了that,另一個則用which.Let me show you the novel that I borrowed from the library which was n ewly open to us.e.關(guān)系代詞后有插入語時，只用whichHere are some stamps which -I think -you can take away.3.當(dāng)關(guān)系詞在從句中作賓語時，關(guān)系詞可以省略。4.當(dāng)先行詞指時間，地點，原因(the reason)時，且關(guān)系詞在從句中作狀語，用when,where,w

15、hy如果關(guān)系詞在從句中作主語，表語或賓語，則用that 或 which.I can hardly remember how many times (that) Ive failed.I want to visit the place where my mother was born.=I want to visit the p lace in which my mother was born.I still remember the years whe n I studied in the middle school.t agree with us.t agree with us.=I sti

16、ll remember the years in which I studied in the middle school.I don t know the reason why he didn=I did nkntow the reas on for which he did n5.當(dāng)先行詞是the way,并且關(guān)系詞在從句中作方式狀語時，可以用that, in which引導(dǎo)，也可省略。當(dāng)先行詞是time, time當(dāng)次數(shù)”講時，用that引導(dǎo)定語從句，且that可以省略；當(dāng)time表示 一段時間，時間”講時，定語從句用 when或at / during which 引導(dǎo)I don k t

17、 like the way (that / in which) he talke d to his mother.I II never forget the time when / at which we visited your hometown.6.當(dāng)先行詞family, class, team, army, company等被當(dāng)作單數(shù)時，定語從句中用 which,被當(dāng)作復(fù)數(shù)時，用who或whom.The family, which is a large and rich one, was poor.The p arty, who are all childre n, have lost

18、their way.7.當(dāng)先行詞是動物時，定語從句一般用whichThe dog, which he had kept for five years, was killed by some one yesterday.B. “介詞+ which / whom ”引導(dǎo)的定語從句I love the關(guān)系代詞在定語從句中作介詞的賓語時，常常將介詞前置于作賓語的關(guān)系詞前,music that I can dance to. = I love the music to which I can dance.The man who I talked to just now is my brother.= T

19、he man to whom I talked just now is my brother.介詞后面的關(guān)系詞指人時只用whom,不能用who或that;指物時只用 which,不能用that.注意，并非所有情況下介詞都可以前移，含有介詞的短語動詞不可拆開，介詞仍需放在動詞后面，如：look for, look after, take care of 等。介詞 + which / whom ”前還可以 用ome, any, none, all, both, n either, many, most, each, few 等代詞，名詞或數(shù)詞等。His sons, both of whom lov

20、ed music very much, spent most of their money on CDs.The house, the roof of which is blue, will be used as a library.C.非限定性定語從句非限定性定語從句和主句的關(guān)系不密切，去掉定語從句，句子的意思仍然完整，形式上用逗號把主句和從句分開，使用時注意以下幾點：l非限定性定語從句不能用that引導(dǎo)l非限定性定語從句中的關(guān)系詞不能省略。D.as引導(dǎo)的定語從句的用法He bought me such a watch as was advertised in the n ews paper.注意：比較 the same as 和 the same that .He bought me the same watch as I lost last week.他買了一塊和我上星期丟的一樣的表。(樣，但不是同一個)He bought me the same watch that I lost last week.（同一個）他把我上星期丟的那塊表又買回來了。2.當(dāng)非限定性定語從句的先行詞不是主句中的某一個詞, as引導(dǎo)