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定语从句难题

时间:2021-07-05 14:05:13 英语 我要投稿

定语从句难题

  (一)关系代词that和which 使用时应注意的几点

  1.在下列情况下只用that,不用which

  ① 先行词是all, everything, nothing, anything, little, much, the one等不定代词时

  There is nothing ( that ) I can do.

  I mean the one that was brought yesterday.

  ② 先行词被all, any, every, no, some, little, much等词修饰时

  I have read all the books (that) you gave me.

  You may take home any of these books that you like.

  ③ 先行词被序数词或形容词最高级修饰时

  This is the first composition (that)he has written in English.

  This is the best novel (that) I have ever read.

  ④先行词被the only, the very(正是,恰是), the same, the last修饰时

  The white flower is the only one ( that) I really like.

  This is the very book (that) I want to find.

  The last place( that) we visited was the hospital.

  This is the same watch that I lost yesterday.

  ⑤ 当先行词有两个或两个以上时,既有人又有物,定语从句用that 引导 (that既可指人也可指物)

  He talked about the teachers and schools that he had visited.

  2.下列情况不能使用that,而用which

  ① that 不能引导非限制性定语从句

  Football, which is a very interesting game, is played all over the world.

  ② that不能置于介词之后(介词后指物用which,指人用whom)

  The person to whom I am speaking just now is our English teacher.

  The prize for which he worked so hard was a new bicycle.

  (二)as 做关系代词的用法

  1.关系代词常出现在the same…as, such…as, so…as, as…as 等结构中

  This is not such a book as I expected.

  I live in the same building as he (lives in).

  Here is so big a stone as no man can lift.

  As many children as came here were my father’s pupils.

  ★ the same…that…和the same…as…的区别

  I have bought the same watch as you have.

  我买了一块和你一样的手表。(我的手表和你的手表很像,但不是同一块。)

  This is the same watch that I lost. 这就是我丢的那块手表。(这手表和我丢的手表是同一块)

  2.as引导非限制性定语从句,指代逗号前的整个句子(即先行词),可置于句首或句末。

  This elephant is like a snake, as anybody can see.

  Mary was late for school, as often happened.

  As is known to all, the earth is round.

  ★ as 指代一句话和which 指代一句话的用法区别

  as 的这种用法通常出现在一些固定短语之中如:

  1.as has been said before 如上所述

  2.as may be imagined正如可以想象出来的那样

  3.as is well known 众所周知

  4.as was expected正如预料的那样

  5.as has been already pointed out正如已经指出的那样

  6.as we all can see 正如我们都会看到的.那样

  which则不需要,例如:

  The man died last night, which is a lie.

  as 替代一句话即可放句首也可放句末,而which只能放句末。

  (三)定语从句中的主谓一致

  引导词在定语从句中作主语时,其谓语动词人称和数要根据引导词所指内容而定。例如:

  1. Here are such sentences as are often used by the students. ( as指代sentences,谓语动词用are)。

  2. I, who am a Party member, should work hard for our country.( who指代I, 谓语用am.)。

  3. He was one of the students who were praised for it. ( who指代the students) 他是被表扬的学生之一。

  4. He was the only one of the students who was praised for it. ( who 指the only one)他是唯一被表扬的学生。

  (四)易与定语从句混淆的其他复合句

  1.定语从句与同位语从句

  定语从句与前面的名词是修饰与被修饰的关系“。。。的(名词)”。而同位语从句是用来说明前面名词的内容。与that从句同位的名词必须是一些表事实或概念的抽象名词,如fact, news, belief, truth, reply等。that在定语从句中作成分,可用which 或who/whom代替;而that在同位语从句中不充当任何句子成分,只起连接作用。试比较:

  ① We all have heard the news that our team won. (同位语从句,that从句表示news的内容,that 在从句中不作任何成分)

  ② We don’t believe the news that/which he told us yesterday.

  (定语从句,that 作told 的宾语)

  2.定语从句与状语从句。试比较:

  ① He left the key where he had been an hour before.

  (where引导地点状语从句,相当于in the place where)

  ② He left the place where he lived for many years.

  (where 引导定语从句,修饰the place)

  ③ He is such a good teacher as all of us love and respect.

  (as 引导定语从句)

  ④ He is such a good teacher that we all like him.

  (that引导结果状语从句,such…that… “如此…以致…”

  3.定语从句与主语从句。试比较:

  ① As is known to us all, paper was first made in China.

  (as 引导定语从句,指代整个主句内容,可置于句首)

  ② It is known to us all that paper was first made in China.

  (it 做形式主语,代替that 引导的主语从句)

  4.定语从句与强调结构。试比较:

  ① It is the house where I met the young man.

  (where 引导定语从句,修饰house,where在定语从句中作地点状语)

  ② It was in the house that I met the young man.

  (本句为强调结构,可还原为I met the young man in the house.)

  下面咱们一起来分析几道定语从句的难题。

  例1.It is the young man _______ looked for _______ caught the murderer.

  A. that …who B. that …they C . they …that D they…which

  分析:答案是C。本题考查了定语从句和强调句式。强调句式的结构是

  “It is + 强调部分 + that/who….”。they looked for前省略了关系代词 that,因为先行词the young man 在从句中做looked for的宾语。强调句为It is the young man who/that caught the murderer.本句意思是“是那个他们寻找的年轻人抓住了杀人犯”。

  例2.Is this factory _______ we visited last year?

  A. where B in which C the one D at which

  分析:做这题首先要明白一个概念。被定语从句修饰的名词前一般都有the,因为它已被限定。所以此题还原成陈述句应该是this factory is______ we visited last year. 而不是this is factory ______ we visited last year.知道这一点后做题容易了,不能选A, B, D。因为句子没有先行词。所以答案是C。从句前省略了关系代词that/which。题目如改为Is this the factory ________we visited last year? 空格处应该用which 或 that。

  例3.The book, the cover _______ is broken, is not mine.

  A. of it B for C whose D of which

  分析:答案是D。先行词the book 代入从句应该是 the cover of the book is broken.相当于whose cover。

  例4.This is Mr Smith, _____ I think has something interesting to tell you.

  A who B whom C that D x

  分析:此题同学们容易错选B,认为先行词Mr. Smith做think 的宾语。I think, you think, do you think 等表明某人观点的短语是插入语。插入语的特点是去掉不影响句子表达。所以做题时遇到插入语,先去掉,This is Mr. Smith, _______ has something interesting to tell you。很容易得到答案A.

  例5.Who _______ has seen the TV film doesn’t admire it?

  A that B who C which D as

  分析:先行词是who,到是指人,可为了避免重复,不用who,而用能指代人的that。答案是A。

  例6.You can never imagine what great trouble I have had ________ the patient who Received a serious wound.

  A. treat B. to treat C treating D treated

  分析:迷惑的答案是D,同学们容易根据had确定用过去分词。而做好这题,

  关键是知道句型have trouble(difficult) doing sth 做某事有困难。定语从句部分是I have had (great trouble)treating the patient.而patient 后又有一个定语从句。答案是C。

  例7.This is the last time _________ I shall give you a lesson.

  A. when B that C which D in which

  分析:答案是B。这里的time不指时间,而是次数。所以用that引导。

  例8.I don’t like the way ________ you laugh at her.

  A that B on which C which D as

  分析:此题先行词是the way,用...方式的短语是in this way。所以定语从句应该是in which you laugh at her。但习惯上也可说that you laugh at her。或者什么也不用you laugh at her。答案是 A。


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