非限制性定语从句
非限制性定语从句
非限制性定语从句非限制性定语从句根据定语从句与先行词的关系，定语从句可分为限制性定语从句及非限制性定语从句。
限制性定语从句紧跟先行词，主句与从句不用逗号分开，从句不可省去；非限制性定语从句主句与从句之间有逗号分开，起补充说明作用，如省去，意思仍完整。
以下是店铺整理的非限制性定语从句，欢迎大家借鉴与参考，希望对大家有所帮助。
非限制性定语从句 1非限制性定语从句：即非限定性定语从句，起补充说明作用，缺少也不会影响全句的理解，在非限定性定语从句的前面往往有逗号隔开，如若将非限定性定语从句放在句子中间，其前后都需要用逗号隔开。
由as, which 引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that。
As一般放在句首，which在句中。
使用规则及注意事项：1、which引导的非限定性定语从句是用来说明前面整个句子的情况或主句的某一部分。
2、as有时也可用作关系代词。
as引导非限制性定语从句，若as在从句中作主语，其引导的句子可以放在句首，也可以放在句中。
但which引导的非限制性定语从句只能放句中。
例句：As is reported in the newspaper, some artistic treasures (艺术珍品) will be on show at the exhibition on the weekend.3、在非限定性定语从句中，关系词不能用that。
限制性定语从句和非限制性定语从句有四大区别：1在句中作用不同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。
2外在表现形式不同限制性定语从句因与先行词关系密切，所以不可以用逗号将其与主句隔开;而非限制性定语从句与先行词关系不十分密切，所以可用逗号将其与主句隔开。
英语中限制性定语从句和非限制性定语从句
英语中限制性定语从句和非限制性定语从句定语从句可分为限制性和非限制性两种：1．限制性定语从句(Restrictive attributive clauses)：限制性定语从句，使所修饰的词表示一个特定的人或东西，如果去掉它，那个词就失去意义，句子就不能成立或不完整：Any one who leaves litter in these woods will be prosecuted．谁要是在林中乱扔垃圾将受到指控。
这句话如把who引起的定语从句去掉，句子就不能成立。
上节例子中的定语从句大部分都是限制性定语从句。
只有在这种定语从句中，关系代词才有可能省略。
2．非限制性定语从句(Non—Restrictive Attributive Clauses)：有些定语从句只对某个词作进一步的说明，例如：She was married to Tony, who was also a student．这里who引起的就是一个非限定性定语从句，拿掉之后句子还能成立。
在一般情况下，非限制性定语从句都由一个逗号把它和句予的其它部分分开，在译成汉语时多译成一个并列句。
下面例句中部包含有非限制性定语从句：The note was left by Jim,who was here a moment ago．这个条子是吉姆留的，他刚才来过。
She introduced me to her husband，whom I hadn’t met before．她把我介绍给她丈夫，这人我以前没见过。
This is George，whose class you will be taking．这是乔治，你将接他的班。
I have many friends,some of whom were painters．我有许多朋友，其中有些是画家。
She was very fond of speaking French,which indeed she spoke well．她很喜欢讲法语，而且讲得确实很好。
非限制性定语从句的详细解析
非限制性定语从句非限制性定语从句只是对主句内容，或先行词的补充、解释或附加说明。
主句与先行词或从句之间一般用逗号分开，常常单独翻译。
没有它，主句意思仍然完整。
引导非限制性定语从句的关系代词有as, which ,whom, whom，whose等，作定语从句的主语、宾语、表语及定语。
关系副词有when, where等，作定语从句的状语。
关系代词和关系副词在定语从句中一般不能省。
一、as引导非限制性定语从句时，可以代主句的全部或部分内容。
常表说话人关于说话的依据、态度、评价、看法等。
有“正如、像”等意思。
定语从句可以置主句句首、句中或句末。
as后常接等动词的主、被动语态句。
1. _______ is known to everybody, the moon travels round the earth once every month.a. itb. asc. thatd. What答案为a2.Mike, as we expected, attended the meeting. 像我们所期望的那样，迈克参加了会议。
3. H e wasn’t uncons cious, as could be judged from his eyes. 他并未失去知觉，这从他的眼神可以判断出来。
二、which 引导非限制性定语从句的情况很多。
1.指代主句的全部或部分内容时，常表事实、状态、起因等，有“这就使用得、这一点”等意思，常置主句未。
主句与定语从句用逗号分开。
1. Dorothy was always speaking highly of her role in the play, ______, of course, made the others unhappy.a. whob. whichc. thisd. What答案为bii.指代先行词有多种情况。
定语从句置先行词后面。
1.在“n. / pron. / num… + prep. + which”, “prep. + which”定语从句里。
非限制性定语从句
games and songs. 6. He is absorbed in work, ____he often was.
hometown，will open next year. 3. We shouldn’t spent our money testing so many people, most of
_____are healthy 4. Chan’s restaurant on Baker Street, ____used to be poorly run, is now
(2)Xi’an, which we visited last year, is really a beautiful city.
(3) My favorite season is autumn, when we celebrate the Mid-Autumn
Festival.
2. 在限制性定语从句中，作宾语的关系代词可以省略，但在非限制性 定语从句中，作宾语的关系代词不能省略。如：
(1)His father, who is a famous actor, will go to Canada next week.
(2)I was born in Beijing, which is the capital of China. 2. 当先行词被指示代词、形容词或物主代词修饰时，要用非限制性定 语从句。如：
练习： 1. His movies won several awards at the film festival, _____was beyond
什么是非限制性定语从句
什么是非限制性定语从句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，将非限定性定语从句放在句子中间，其前后都需要用逗号隔开。
非限制性定语从句可以简单理解为就是没有紧跟在修饰对象（即先行词）之后的定语从句，与限制性定语从句刚好相反。
也就是说，先行词和非限制性定语从句之间常被逗号或是其它语句部分隔开，而没有紧密连接在一起。
需要注意的是：1)引导词that(关系代词)和why(关系副词)一般不用于引导非限制性定语从句。
2)引导词which(关系代词)在引导非限制性定语从句时，不仅可以指代主句的某部分内容，还可以用来指代整个主句。
具体示例如下：（下划线部分是非限制性定语从句；加粗字体是该定语从句的修饰对象，也就是先行词。
）例1：I am looking for a watch, which Jason bought me.例2：The puppy peed in his arms, which made us laugh.例3：Penny, who used to be a waitress, becomes a successful saleswoman.例4：Many people witnessed the accident, some of whom called the police.例5：Jacob is the silent boy standing in the back, whose hair is black and straight.例6：He realized the days were all over when they could talk everything to each other.例7：She wandered in the school alone and aimlessly, where they last met.值得注意的是，由于定语从句的本质是形容词，通常只起到修饰作用，所以定语从句本身一般不会对主句的完整性产生任何影响。
非限制性定语从句
非限制性定语从句1. 定义非限制性定语从句（Non-restrictive Relative Clauses）是指用来修饰一个名词或代词，且不对其进行限定的定语从句。
这种从句通常提供一些额外信息，而不是对名词或代词进行修饰、定义或区分。
非限制性定语从句和限制性定语从句的区别在于非限制性定语从句用逗号或破折号将其与主句分隔开来，而限制性定语从句则不用分隔符。
例如：•限制性定语从句：The book that I borrowed last week was very interesting.•非限制性定语从句：My friend, who is a doctor, came to visit me.非限制性定语从句通常用来提供额外的信息，使得整个句子更加丰富和具体。
2. 结构非限制性定语从句的结构相对简单，通常由关系副词（如where, when, why）或关系代词（如who, whom, which）引导，并且使用逗号或破折号将其与主句分隔开来。
以下是一些常见的关系代词和关系副词：•关系代词：who, whom, whose, which, that•关系副词：where, when, why例如：•关系代词引导的非限制性定语从句：My brother, who is a teacher, lives in London.•关系副词引导的非限制性定语从句：I still remember the day, when we went to the beach.3. 示例以下是一些示例，以帮助读者更好地理解非限制性定语从句的用法和作用。
1.This is my father, who is an engineer.2.The house, which was built in the 19th century, is now a museum.3.She loves music, which is why she plays the piano every day.4.The dog, whose tail is wagging, seems very happy.5.Tom finally got the job, which he had been dreaming of.4. 注意事项在使用非限制性定语从句时，需要注意以下几点：•逗号或破折号：非限制性定语从句通常使用逗号或破折号与主句分隔开来，这有助于读者更好地理解句子的结构和意思。
非限制性定语从句
• (3)He is against the idea, as can be expected. • (4)He has to work on Sundays, which he doesn’t like.
• 5)She remarried, as we had expected.
• (6)She remarried, which we unexpected.
• Our teacher, who is getting old，will soon retired.
They cut open the boot of the man, whose leg was broken.
名师伴你行
2.由介词+which和介词+whom等引导非 限制性定语从句：
Here are players from Japan, some of (whom ) are our old friends.
• • • • • •
在非限制性定语从句中 1. 不能用that 2关系代词做宾语时不能省略。 3 whom 在从句中作宾语时不能用who或 that代替。 4 可以修饰整个句子，有逗号隔开，只 能由which或as引导
• 5. 在翻译时，限句常译为定语， 非限句常译为并列句或状语从句。
名师伴你行
名师伴你行
限制性定语从句是先行词不可缺少的 定语，而非限制性定语从句只是附加 说明，如果去掉，主句意思仍然清楚。 非限制性定语从句用逗号与主句隔开。
1.由which, who, whom, whose, where, when等引导：
•
Football, which is a very interesting game, is played all over the world.
非限制性定语从句
非限制性定语从句【知识归纳】1. which引导的非限制性定语从句放在主句后面,与主句用逗号隔开,which在从句中可充当主语、宾语或表语。
如:Her house, which she bought last year, has got a lovely garden.注意: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。
【考例1】Ted came for the weekend wearing only some shorts and a T-shirt, is a stupid thing to do in such weather.(2011全国II) A. this B. that C. what D. which【解析】D。
which引导非限制性定语从句,在从句中作主语。
this和what不能引导定语从句,that不能引导非限制性定语从句。
2. when引导的非限制性定语从句,放在主句后面,when在从句中充当时间状语,可用“介词(in/ on/ at/ during等)+which”替换。
【考例2】Between the two parts of the concert is an interval, the audience can buy ice-cream.(2011江苏) A. when B. where C. that D. which【解析】A。
分析句子结构可知,这是先行词为interval的非限制性定语从句。
由于从句部分不缺少主干成分,而且interval表时间,所以正确答案为A。
3. where引导的非限制性定语从句,放在主句后面,where在从句中充当地点状语,可用“介词(in/ on/ at 等)+which”替换。
如:【考例3】Whatever is left over may be put into the refrigerator, it will keep for two or three weeks. (2011安徽)A. whenB. whichC. whereD. while【答案】C。
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非限制性定语从句语境呈现1观察下列句子，注意划线部分的用法。
1)This note was left by Mr.Li,who was here a moment ago.2)This novel,which I have read three times,is very touching.3)The bus ran into a crowd of people,some of whom were sent to hospital.4China has hundreds of islands,the largest of which is Taiwan.5)She was kinder to her youngest son than to the others,which,of course,made the others envy him.6)All of my books are on the desk,where I always keep them.7)My brother,whose skin is a little black,has a slim figure.8)They decided to put off the meeting until next Saturday,when they wouldn’t be so busy.规律精点1 所谓非限制性定语从句，顾名思义，对主句所描述的人或物起的作用，去掉后主句意思仍然完整；它与句子之间常用逗号隔开，其引导词有who,whom,whose,which,when,where,as。
that和why 不能引导分限制性定语从句。
有时用不定代词、数词或形容词最高级+of+whom/which指代先行词或先行词的一部分。
语境呈现2观察下列句子，注意划线部分的用法。
1)As is known to us,the sky is blue.The sky is blue,which is known to us.2)The big tree was cut down yesterday,as is reported in today’s newspaper.The big tree was cut down yesterday,which is about three hundred years old.规律精点2 关系代词as引导非限制性定语从句，其与which的区别在于：1)as引导的非限制性定语从句可置于句首、居中或句尾；which引导的非限制性定语从句只能置于。
（如果定语从句为否定句或表示否定意义，则使用which）。
2)as指代的是，which除了可指代整个主句内容外还可指代主句的某个部分。
1.The result of the experiment was very good, we hadn’t expected.A.whenB.whatC.thatD.which2.Lily was always talking about her wealthy husband, of course,made the other ladies unhappy.A.whoB.whichC.whatD.that3)The writer has written a number of books, only one is widely read.A.whichB.of whichC.thatD.what4)This is Mr Day, I think has something interesting to tell you.A.whoB.whomC.thatD.which5) is reported in today’s paper,people have found the lost boy.A.ItB.ThatC.AsD.What6)The result was not the same they had expected, was rather disappointing.A.which;asB.as;whichC.as;thatD.that;which高考链接1)After the flooding,people were suffering in that area, urgently needed clean water,medicine and shelter to survive.A.whichB.whoC.whereD.what2)When deeply absorbed in work, he often was,he would forget all about eating or sleeping.A.thatB.whichC.whereD.when浅谈非限制性定语从句定语从句（限制性和非限制性定语从句的区别）1.定语从句有时跟先行词的关系并不十分密切，只是作一些补充说明，不起限制作用，这种从句称为非限制性定语从句。
它常常用逗号与主句分开；翻译时常译成并列的分句。
例如：This note was left by John,who was here a moment ago.这条子是约翰留下的，他刚才来过这儿。
2.非限制性定语从句在修饰人时用who(主格),whom(宾格),whose(所有格),即：在定语从句中关系代词指人做主语时，只能用who;作宾语时，只能用whom，不能有几种选择，也不能省略，只有一种答案。
在修饰物时用which而不能用that。
总之，非限制性定语从句里没有that，也没有why。
1)Mr.Zhang,who came to see me yesterday,is an old friend of my father’s.张先生昨天来看我，他是我父亲的一位老朋友。
2)She had seven children,three of whom lived to grow up.她生了七个孩子，其中三个长大成人。
3)The team is headed by a Chinese,whose wife is a Japanese.这个对的队长是个中国人，他的妻子是日本人。
4)We visited the Jade Buddha Temple,which is in the northwestern part of Shanghai.我们参观了玉佛寺，它在上海的西北部。
5.It now has 20,000 hectares of land,more than two-thirds of which are ploughed.它有两万公顷的土地，其中三分之二以上已经耕种。
6)We walked down the village street,where they were having market day.我们沿着村庄的街道走，他们的赶集日在哪儿进行。
7)In the old days, I was a little boy,the city had no industry to speak of.过去这城市无工业可言，那时我还是个小孩。
3.引导非限制性定语从句，若关系代词所指代的先行项是整个主句，则关系代词用as或which.它们有三点相同和四点不同之处。
相同点：1)which和as都可在SVC（主语+系动词+表语）或SV（主语+谓语）结构的非限制性定语从句中作主语，此时两者可互换使用。
He said he had lost the book,which/as was true.All the schools will reopen on Sept.1(st),which/as is announced in today’s paper.2)在SVC结构的非限制性定语从句中，which和as作表语时可互换使用。
注意此时的which 或as指代上文中的表语部分。
He seemed a foreigner,which /as in fact he was.3)在SVO（主谓宾）结构的非限制性定语从句中，which和as作宾语时可互换。
I was very useful to him,which/as he realized.不同点：1) 在SVOCo(主谓宾宾补)结构的非限制性定语从句中，做主语或宾语时通常用which，而不用as.It was raining hard,which kept us indoors.2) 在SVO结构的非限制性定语从句中，做主语时通常用which，而不用as.Tom has made great progress,which delighted us.3) as引导非限制性定语从句时，通常用在表示肯定意义的从句中，而不能用在表示否定意义的从句中；which则不受此限制。
例如：She has been married again,which was unexpected.（which常在定语从句中作delay耽搁，推迟、worry、upset、make的主语，且定语从句中常含复合结构）4) as所引导的非限制性定语从句位置比较灵活，它可以位于句末，也可位于句首或居中；而which所引导的非限制性定语从句位置比较固定，通常位于句末，而不可移置句首。
例如：We can’t do without rules,as/which you know. As you know,we can’t do without rules.He failed the exam,which/as was natural. As was natural,he failed the exam.All the schools will reopen on Sept.1(st),which/as is announced in today’s paper.As is announced in today’s paper,all the schools will reopen on Sept.1(st).He admires Mr.Brown very much,which surprises me.He arrived half an hour late,which annoyed us all.My sister is a good nurse,which I am not.His sister has become a doctor,which he wants her to be.巧学助记：巧辩限制性与非限制性定语从句定语从句好分辨，没有逗号即为“限”，逗号一出定“非限”；关系引导所用词，随着“先行”巧妙变；“非限”that/why靠边站；“非限”引导不省全（全部不可省略）；“as”殊词记心间；the same/such…as…连，“正如、正像”意恒念，固定搭配多锻炼。