限制性的定语从句

时间:2023-06-12 13:37:40 赛赛 英语 我要投稿

限制性的定语从句

  限制性定语从句是先行词不可缺少的部分,去掉它主句意思往往不明确;非限制性定语从句是先行词的附加说明,去掉了也不会影响主句的意思,以下是小编整理的限制性的定语从句,希望对大家有所帮助。

  限制性定语从句:

  限制性定语从句对先行词起限制、修饰的作用,关系代词有that,which,whom,who,whose以及关系副词when,where等,没有明显的逗号把从句与主语分开,表达的意思为被修饰词的一个定语。

  例句:

  Do you know the professor who is speaking at the meeting?

  Where is the book which I bought this morning?

  非限制性定语从句:

  作用相当于一种插入语或者对先行词的一种解释,和先行词之间只有比较松散的关系,文字中常常用逗号将其与主句分开,用法其实与限制性定语从句极为相似,只是不能用that做修饰词。

  例句:

  This letter is from his parents, who are working in Tibet.

  Englishi is an important subject, which every students should study well.

  The building, in front of which sat a boy, was a school.

  一、定语从句有限制性和非限制性两种。限制性定语从句是先行词不可缺少的部分,去掉它主句意思往往不明确;非限制性定语从句是先行词的附加说明,去掉了也不会影响主句的意思,它与主句之间通常用逗号分开,例如:

  This is the house which we bought last month. 这是我们上个月买的那幢房子。(限制性)

  The house, which we bought last month, is very nice.这幢房子很漂亮,是我们上个月买的。(非限制性)

  2) 当先行词是专有名词或物主代词和指示代词所修饰时,其后的定语从句通常是非限制性的,例如:

  Charles Smith, who was my former teacher, retired last year. 查理·史密斯去年退休了,他曾经是我的老师。

  My house,which I bought last year, has got a lovely garden. 我去年买的的那幢房子带着个漂亮的花园。

  This novel, which I have read three times, is very touching. 这本小说很动人,我已经读了三遍。

  3) 非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数,例如:

  He seems not to have grasped what I meant, which greatly upsets me. 他似乎没抓住我的意思,这使我心烦。

  Liquid water changes to vapor, which is called evaporation. 液态水变为蒸汽,这就叫做蒸发。

  二、从形式上看,限制性定语从句与其先行词紧紧相连,两者没有停顿;非限制性定语从句与先行词之间有逗号隔开。从意义上讲,限制性定语从句用来修饰先行词,两者密不可分;而非限制性定语从句仅仅对先行词作补充性叙述或说明,两者关系不那么紧密。由于两种定语从句存在着这些区别,一般来说,限制性定语从句多半译成汉语的前置定语,修饰其后的先行词,非限制性定语从句则往往译成后置的并列从句。that不能引导非限制性定语从句。通常对定语从句处理如下:

  (1) 限制性定语从句译成前置定语

  These neighborhoods frequently recreate much of the culture and the values of the nationality that makes up the majority of the population.

  这些居民区经常再现构成大多数居民的大量民族文化和价值观念。

  (2) 非限制性定语从句译成后置的并列分句

  In almost all developing countries, economic development depends upon growth in export trade, which in turn creates jobs and raises living standards.

  几乎所有的发展中国家经济的发展都依赖于出口贸易的增长,而出口的增长又有助于创造更多的就业机会和提高人民的生活水平。

  但是,有时候因为意思上的关系,或者出于汉语句子结构上的考虑,要把限制性定语从句译成后置的并列分句,而把非限制性定语从句译成前置定语。

  (3) 限制性定语从句译成后置的并列从句

  Each team plays ten or eleven games each season which begins in September and ends in November.

  每个队每赛季参加十到十一场比赛,每个赛季九月份开始,十一月份结束。

  (4) 非限制性定语从句译成前置定语

  He appeared to be returning home from a walk, for his buckle shoes, which followed a fashion long since out of date, were covered with dust.

  他好象是散步之后回家去,因为他那早已过时的扣鞋上布满了灰尘。

  (5) 有的定语从句,从意义上看实际相当于一个状语从句,表示原因,目的,结果,让步等关系。这样的定语从句应译出汉语的偏正复句,但是要加上相应的连接词以表明其与主句的关系。

  Norway is, quite naturally, paying great attention to developments in Europe and in the Atlantic community, which are so instrumental to the maintenance of peace and security in our part of the world.

  挪威自然十分关切欧洲和大西洋国家的发展,因为这些发展大大有助于维护世界上我们这一地区的和平和安全

  说明:关系代词that和关系副词why不能引导非限制性定语从句。

  三、下面是些例题,你做做看。

  一)that不能用来引导非限制性定语从句。如:

  【考例一】She heard the terrible noise, ________brought her heart into her mouth.

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

  【解析】选B。后半句为非限制性定语从句,尽管先行词noise属于事物,也不能用that而要用which来引导。which指代noise,在从句中作主语。

  二)除which外,还可用when,where,whose,whom等引导非限制性定语从句,且各自的用法及差异与它们用在限制性定语从句时相同。如:

  Next month, when youll spend your summer holidays in your hometown, is approaching. 下个月即将来临,届时你们将在家乡度暑假。(关系副词when指代表示时间的名词next month,并作从句的状语。)

  She is going to live in Macao, where she has some close friends. 她要到澳门去居住,在那里她有几个密友。 (关系副词where指代表示地点的名词Macao,并在从句中作状语。)

  【考例二】Recently I bought an ancient Chinese vase, ________was very reasonable.

  A. which price

  B. the price of which

  C. its price

  D. the price of whose

  【解析】选B。whose在从句中作表示所属关系的定语,既可指代人,也可指代物。指物时,常可转换为of which;指人时常可转换为of whom。

  【考例三】 In the office I never seem to have time until after 5:30 pm,______many people have gone home.

  A. whose time B. that

  C. on which D. by which time

  【解析】 先行词5:30 pm与time之间是一种同位关系,可用which来作定语替代。从句中的完成状态,常与by短语连用。故选D。

  三)在非限制性定语从句中作宾语的关系代词不能省略。如:

  He was eager to go to the hospital to see his stepmother, whom he loved as his own mother. 他迫切地想到医院去看望他的继母,他把继母当自己的亲妈妈一样爱戴。

  四)非限制性定语从句的关系代词which,既可以指代前面的先行词,也可以指代前面整句的含义。如:

  【考例四】 Dorothy was always speaking highly of her role in the play, of course,________made the others unhappy.

  A. who B. which

  C. this D. what

  【解析】选B。指代“Dorothy总是高度评价自己在那场戏中所担任的角色”的整个事件。

  【考例五】Carol said the work would be done by October,________personally I doubt very much.

  A. it B. that

  C. when D. which

  【解析】表示时间的名词October,用“我个人非常怀疑”来修饰,意思不通。应该修饰整个主句, 表示对“Carol说在十月前能做好这项工作”怀疑。故选D。

  五)引导非限制性定语从句时as和which的差异:从句置于句首时,非限制性定语从句只能用as引导,而置于句末时,两者都可以使用。 如:

  【考例六】________is known to everybody, the moon travels round the earth once every month.

  A. It B. As C. That D. What

  【解析】逗号表明为非限制性定语从句。选B。

  【考例七】________is mentioned above, the number of the students in senior high schools is increasing.

  A. Which B. As

  C. That D. It

  【解析】答案为B。与考例六同理。

  限制性定语从句的特点

  1.基本特点

  根据定语从句与先行词的关系,可将定语从句分为限制性定语从句和非限制性定语从句。一般说来,限制性定语从句是整个句子不可缺少的部分,如果省略会影响全句的主要思想,这种定语从句前面一般不用逗号;而非限制性定语从句则只是主句的一种补充说明,即即使去掉,也不会影响全句的主要思想,这种定语从句前通常有逗号隔开。如:

  This is the book that you want. 这就是你要的那本书。

  句中的you want为限制性定语从句,如果去掉,意思就不清楚。

  He bought me a book, which was very useful. 他给我买了一本书,非常有用。

  句中的which was very useful为非限制性定语从句,如果去掉,句子意思仍是清楚的。

  2.关系词

  关系代词that和关系副词why通常只用于引导限制性定语从句,不用于引导非限制性定语从句。如:

  她收到了老板的邀请,这是她意想不到的。

  误:She received an invitationfromher boss, that came as a surprise.

  正:She received an invitationfromher boss, which came as a surprise.

  他失去工作的主要原因是他喝酒。

  误:The main reason, why he lost his job, was that he drank.

  正:The main reason why he lost his job was that he drank.

  另外,在限制性定语从句中,关系代词which用作宾语时,如果不是紧跟在介词之后,通常可以省略;但在非限制性定语从句中,不管在什么情况下均不可省略关系代词which。

  3.用法

  当一个名词已由其他词语作了完整的表述,这个名词后则不宜再用限制限制性从句,而应改用非限制性定语从句。如:

  我去看买的房子有一个很漂亮的花园。

  误:My house which I bought last year has got a lovely garden.

  正:My house, which I bought last year, has got a lovely garden.

  若要用限制性定语从句,则应将物主代词my改为the,即说成:

  The house which I bought last year has got a lovely garden.

  4.补充说明

  非限制性定语从句有时形式上是从句,实质上其功用相当于一个并列的分句。如:

  He said he had no money, which was not true. 他说他没有钱,这不是实话。(which相当于but it)

  Then he met Mary, who invited him to a party. 后来他遇到玛丽,玛丽邀请他去参加晚会。(who相当于and she)

  My father may have to go into hospital, in which casewon’t be going on holiday. 我父亲可能需要住院,如果那样他就不去度假了。(in which case相当于and in that case)

  限制性定语从句用法

  限制性定语从句是对先行词的内容进行严格、明确限定的定语从句,与先行词的意思关系非常紧密。

  此时如果把限制性从句移除,先行词的意思就会受影响,意思不完整、不清楚或者有很大的变化。

  所以,限制性定语从句是不能移除的。

  例如:

  Give me the article that tellsour company.

  把讲述我们公司的文章给我。

  (限定的是“讲述我们公司的那篇文章”,而不是别的文章)

  Which is the motorb ike that you fixed on the 12th?

  哪辆是你12号修理的摩托车?

  (限定的是“你12号修的那辆摩托车”,不是别的或者其他日子修的摩托车)

  说到定语从句大家肯定都很熟,但是关于定语从句中总有一个痛处那就是非限制性定语 non-restrictive/ non-defining attributive clauses和限制性定语从句restrictive attributive clause;其实区分很简单,从形式上一句话:“which”前面有逗号的叫非限制性定语从句,没有逗号的就是限制性定语从句;

  但是它们的难点其实根本不在于形式上的区分,而在于什么时候该用限制性定语从句和什么时候该非限制性定语从句,那么就不得不探究一下它们分别的作用;限制性定语从句:用于对先行词的意义进行修饰,限制和识别,如果去掉,就会造成句意不完整或概念不清;

  比如:

  We arrived the day that(on which) they left.如果把这里的定语从句去掉意思就会不完整或者改变;非限制性定语从句:对先行词起补充说明作用,如果省略,句意仍然清楚完整。

  Peter, whom you met in London, is now back in Paris.

  彼得现在回巴黎了,你在伦敦见过他。这里把定语从句去掉也不会影响这句话的主要意思;

  The play,whose style is rigidly formal,is typical of the period.

  这剧本是那个时期的典型作品,风格拘谨刻板。

  Water,which is a clear liquid,has many uses.

  水是一种清澈的液体,有许多用途。

  比如:

  I have a brother who is a doctor.

  (言外之意是我的弟弟不止1个)

  I have a brother , who is a doctor.

  (言外之意是我只有一个弟弟)

  总之,限制性定语从句能不能用主要就看前面的先行词能不能被分类, 如果上个例子中我只有1个弟弟那就只能用非限制性定语从句,因为根本不需要用限制性定语从句分类挑出来;同理,只有当我有好几个弟弟的时候,才能用限制性定语从句去区分

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