必修二 unit1 定从与非限制定从的区别
Book2Unit1限制性定语从句与非限制性定语从句
Book2Unit1限制性定语从句与非限制性定语从句Book 2 Unit 1 Grammar限制性定语从句与非限制性定语从句一.限制性定语从句与非限制性定语从句的区别1.功能不同限制性定语从句用来修饰和限定先行词，使先行词的含义更具体、更明确；非限制性定语从句跟先行词的关系并不是十分密切，它只是对先行词的一个补充说明，省略后主句的意思仍然完整。
He handed in the purse that he had picked up to the police. 他把捡到的钱包交给了警察。
Mary Smith, who is sitting there, wants to meet you. 玛丽想见你，她就坐在那里。
2.形式不同限制性定语从句与主句之间不用逗号隔开；非限制性定语从句与主句之间必须用逗号隔开。
He is the man who lives next door. 他就是住在隔壁的那个人。
His wife, whom you met at my house, is a teacher.他的妻子是一位老师，你曾经在我家见过她。
3.翻译不同一般把限制性定语从句翻译成先行词的修饰成分；而非限制性定语从句，一般常翻译为与主句并列的分句。
The film that we saw yesterday was very interesting. 我们昨天看的那部电影很有趣。
Beijing, which is the capital of China, is a very beautiful city.北京是一座非常美丽的城市，它是中国的首都。
4.先行词不同限制性定语从句的先行词通常是名词性的词或词组，而非限制性定语从句的先行词可以是名词性的词或词组，也可以是整个主句。
She wears a red skirt which makes her very beautiful. 她穿了一件让她很漂亮的红衬衫。
人教版高中英语【必修二】语法讲解 限制性定语从句和非限制性定语从句
人教版高中英语必修二知识点梳理重点题型（常考知识点）巩固练习限制性定语从句和非限制性定语从句概念引入：He is a person who never gives up. 他是个永远不服输的人。
I found him in the woods, where has a well-known tree.(我是在树林里找到他的，那里有一棵很有名的树。
)Our guide,(who was a Frenchman, ) was an excellent cook.我们的导游是个很优秀的厨师，他是个法国人She was not on the train which arrived just now。
她没在刚刚到达的那辆车上语法点拨什么是定语从句？修饰主语、宾语、表语的句子就叫做定语从句。
引导定语从句的关系词有：关系代词：who, whom, whose, which, that关系副词：when, where, why我们把下面两个句子组合成一个复合句：1. This is our school. It is beautiful.→This is our school which is beautiful.2. This is our school. We study in our school.→This is our school which we study in.→This is our school in which we study.→This is our school where we study.3. Do you know the room? It is made of amber.→Do you know the room which is made of amber?4. I have read the newspaper. It carries the important news.→I have read the newspaper which carries the important news.从上述定语从句的组合我们可以看出：先行词和关系词的关系：关系代词实际上是先行词的复指；关系词whose 实际上是先行词的所有格。
人教版高一英语必修二语法unit1-定语从句-(3)限制性非限制性定从
A. whom
B. who C. / D. he
• 13. The boy ___D__ has two lovely dogs.
A. who live next door B. which lives next door
C. whom lives next door D. that lives next door
This is the same instrument that I used yesterday.
是我昨天用过的那一个--同一个
This is the same instrument as I used yesterday.
跟我昨天用过的那台一样--长得像
表示说话人的看法、态度、解释或评论。此时as可以翻译为 “正如；就像”等。由as引导的从句可在句首，句中或句尾。
He is so honest a boy as everyone likes.
He is not the same man as he was.
so/such...as...与 so/such...that...
在限制性定语从句中，当先行词被so\such修饰时，关系词用as, 在从句中充当成分。 但so/such...that引导结果状语从句，连接 词在句中不充当成分，没意义。
as often happens
正如经常发生的那样
as can be seen/ judged from... 从...中可以看出、判断出
as和which引导非限制性定语从句的区别：
1) 含义的区别 as 有“正如，就像”之意，表示依据、看法、态度等； which 多译为 “这；这一点”，表示事实、转折、起因、让步等。
A. /, to B. that, / C. where, to D. which, there
限制性与非限制性定语从句区别
限制性与非限制性定语从句区别一、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。
二、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。
例1. Do you remember the girl who taught us English?你还记得教我们英语的那个女孩吗?例2. Clock is a kind of instrument which can tell people time.钟是一种能够告诉人们时间的仪器。
例3. This is the place where he used to live.这就是他过去居住的地方。
例4. Mr. Zhang, who came to see me yesterday, is an old friend of mine.张先生昨天来看我,他是我的一位朋友。
例5. We walked down the village street, where they were having market day.我们沿着村里的大街向前走去,村民们正在那里赶集。
析:在前三个例句中,定语从句与先行词关系密切,为限制性定语从句,不可用逗号将其与主句隔开。
在后两个例句中,定语从句与先行词关系不密切,为非限制性定语从句,可用逗号将其与主句隔开。
三、先行词内容有所不同大多数限制性和非限制性定语从句的先行词往往为某一个词或短语,而特殊情况下非限制性定语从句的先行词也可为整个主句,此时非限制性定语从句常由which 引导。
例1. A middle-aged woman killed her husband, which frightened me very much.一个中年女子杀害了自己的丈夫,这令我十分恐惧。
人教版必修 2 Unit 1 Grammar, The attributive clause1 限制性和非限制性定语从句(讲义)
1. 全面掌握限制性和非限制性定语从句的区别。
2. 正确理解非限制性定语从句的引导词的作用及which, as的特别用法。
重点：限制性和非限制性定语从句的区别。
难点：非限制性定语从句中的关系词的运用。
1. 非限制性定语从句在高中阶段考试中占有很大比例，经常在单项选择，语法填空尤其是阅读理解中出现并进行考查。
2. which, as所引导的非限制性定语从句是考查的重点。
限制性和非限制性定语从句的区别1. The amber which was selected had a beautiful yellow—brown colour like honey.选出来的琥珀色彩艳丽，呈现蜂蜜一样的黄褐色。
2. It was also a treasure decorated with gold and jewels, which took the country’s best artists about ten years to make.它也是用金银珠宝装饰起来的珍品，一批国家最优秀的艺术家用了大约十年的时间才把它完成。
限制性定语从句是先行词在意义上不可缺少的定语，如果去掉，主句的意思就不完整或失去意义。
非限制性定语从句和主句的关系不十分密切，只是对先行词作些附加的说明，如果去掉，主句的意思仍然清楚。
（1）非限制性定语从句关系词的使用关系代词无论指人还是指物，都不能用that。
指人时，如果关系词作主语用who，作宾语用whom，指物时用which。
即使关系词作宾语也不能省略。
Mary, who is from Australia, is an old friend of mine.玛丽是我的一位老朋友，她来自澳大利亚。
非限制性定语从句关系代词和关系副词的选择方法和限制性定语从句一样，作主语和宾语时用关系代词，作状语时用关系副词。
He will put off the picnic until May 1st, when he will be free.他将把野餐推迟到5月1日，那时他将有空。
限制性定语从句与非限制性定语从句区别知识点总结
限制性定语从句与非限制性定语从句区别知识点总结定语从句是英语语法中的一个重要概念，用于修饰名词或代词，并提供更多的信息。
在定语从句中，最常见的类型是限制性定语从句和非限制性定语从句。
本文将详细讨论这两种定语从句的区别及其在句子中的用法。
一、限制性定语从句1. 定义：限制性定语从句指的是对名词或代词进行修饰、限定，如果去掉这个定语从句，句子的意思就会发生改变。
它提供的信息对于理解主句来说是必需的。
2. 格式：限制性定语从句通常使用关系代词或关系副词引导，常见的关系代词有：that, which, who, whom, whose；关系副词有：when, where, why。
3. 示例：a) I have a friend who is studying abroad.（我有一个正在国外学习的朋友。
）b) The book that you lent me is very interesting.（你借给我的那本书非常有趣。
）c) She lives in the city where there are many tall buildings.（她住在有很多高楼的城市。
）4. 特点：限制性定语从句的特点如下：a) 不用逗号与主句分开。
b) 定语从句中的关系代词或关系副词在从句中不能被省略。
c) 定语从句修饰的是前面的名词，它是该名词的一个必需部分。
二、非限制性定语从句1. 定义：非限制性定语从句指的是对名词或代词进行修饰、补充说明，与主句的内容是附加关系，如果去掉这个定语从句，句子的意思仍然完整。
2. 格式：非限制性定语从句通常使用逗号隔开，引导词同样使用关系代词或关系副词。
3. 示例：a) John, who is my best friend, is coming to visit me tomorrow.（约翰，我的最好朋友，明天要来看我。
）b) The Great Wall, which is a world-famous tourist attraction, attracts millions of visitors every year.（长城，一座举世闻名的旅游胜地，每年吸引着数百万的游客。
高中英语课件-限制性定语从句和非限制性定语从句的区别
区别一：形式上不同
限定性定语从句主句和从句之间不 用逗号隔开，口语中使用时也不停 顿；而非限定性定语从句与主句之 间通常有逗号隔开，口语中使用时 有停顿。
区别二：功能不同（最重要的区别） 限定性定语从句用于对先行词的意义进行限制和
识别，如果去掉，就会造成句意不完整或概念不 清； 而非限定性定语从句用于对先行词起补充说明作 用，如果省略，句意仍然清楚、完整。 People who take physical exercise live longer. 进行体育锻炼的人活得长些。(若把从 句去掉句子就失去意义) His daughter, who is in Boston now, is coming home next week. 他女儿现在在波士顿， 下星期回来。(若把从句去句子意义仍然完整)
year, occasion
Where Place, spot,
地点 状语
point, stage,
position, policy,
point, condition,
street, occasion,
cases,
situation
why reason
原因 状语
There is one point where I’d like your advice. 有一点，我想听听你的建议。
There are cases where this rule does not hold good. 在一些情况下，这个规则是不适用的。 This company has now introduced a policy where pay rises are related to performance at work. 这家公司引进一种政策：薪酬与工作表现 挂钩。
必修2-unit1限制性和非限制性定语从句
必修2-unit1限制性和非限制性定语从句限制性定语从句和非限制性定语从句一、定语的概念：定语通常由形容词来担任，起限定和修饰名词或代词的作用。
① She is a beautiful girl.（beautiful是定语）二、定语从句的概念：由一个句子来担任定语的功能，相当于一个形容词，用来限定和修饰名词或代词。
② She is a girl who is beautiful.（who is beautiful这整个句子做定语）三、定语从句中的概念例：This is an old computer. It works much slower.（这是两个简单句，其中后一句中的it代替an old computer) →This is an old computerwhich/thatworks much slower.（这是一个复合句，which/that代替an old computer 引导定语从句）②The CD is very good. I bought the CD.→The CD that/which I bought is very good.③This is the house.We lived in the house two years ago.→This is the house where we lived two years ago.A.先行词：是被定语从句所修饰的名词或代词B.关系词：引导定语从句的词关系词主要起三个作用：1.代替先行词2.在定语从句中作句子成分引导从句3.把从句和主句连接起来四、定语从句的分类：限制性定语从句和非限制性定语从句五、限制性定语从句与非限制性定语从句的区别：①形式不同：限制性定语从句紧跟先行词，与先行词之间一般不加逗号，仅修饰先行词。
非限制性定语从句仅作为补充或说明，用逗号与主句隔开，既可修饰先行词，又可修饰整个句子。
Eg:This is the house which we bought last month. （限制性）The house, which we bought last month, is very nice. （非限制性）②功能不同：限定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。
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Which和as 引导的非限定从的异同
(5)定语从句为复合宾语时，常用which
Eg：He didn＇t pass the exam， which made his mother angry．
Which和as 引导的非限定从的异同
(6) as含有正如、按照、正像之意，as一般用在 肯定句中，而which则 多用于含否定意义的句子
错漏“摆”出
The room where he lives去in掉isinbigger than mine.
I still remember the day when we spent together. that/ which
composition
• 人们对学生上网交友持不同意见，请用英语写一 篇关于学生网上交友的短文，比较人们的观点， 并发表自己的看法。
Eg：The secret spread quickly,which he hadn't expected before
错漏“摆”出
Anyone who bbrreeaakks the law will be punished.
This is one of the books which was written by
him.
were
Some of the boys I invited them didn`t come.
去掉them
The book that you need it is in the library. 去掉it
The tomatoes were on the table were given to you. 在were前面添加that/which
Attribute clauses in the text
1 The gift was amber room,which was given this name because… 2 The amber which was selected had a beautiful yellow-brown… 3 It was also a treasure…which took the country`s best artists 4 Frederick williamI,to whom the amber room belonged
Which和as 引导的非限定从的异同
(2)当定语从句的谓语为
know,explain,say,expect,imagine,show,report,announce,
point out等行为动词的被动形式时，常用as.
Eg:She has been late again, as was expected. As is reported in the leading newspapers,we have won all the gold medals in the game. It rained hard yesterday, which prevented me from going to the park.
5 Later,Catherine…palace outside St petersburg where she spent her summers
Attribute clauses in the text
6 In 1770 the room was completed the way she wanted. 7This was a time when the two countries were at war. 8 There is no doubt…,which was at that time a German city …
Which和as 引导的非限定从的异同
(3) 当主从句一致时，用as，表“正如”，反之用 which
Eg：The thief came again, as was expected. The elephant is like a snake, which is not right.
Which和as 引导的非限定从的异同
赞成者
反对者
你的看法
广交朋友
浪费时间
自由表达思想 影响学习
利于学习英语 可能上当受骗
Thank you!~!
整理一番
当我们做非限制性定语从句的练 习时，往往先确定先行词，然后 再分析先行词在从句中的作用， 再对关系词的异同
★相同点： 当非限定从句在句末，且在从句中作主，宾，表， 指代整个主句内容时，两者可互换 ★异同点: (1) as引导的从句放句首或句中，which只能 放在句末。
2 形式不同 有逗号------无逗号
3 先行词不同 词----词或一个句子
两类从句的区别
4 关系词的使用情况不同
不同点
关系词不同
关系词省略不同
限定从 可用that/why
关系代词作宾语 可省
非限定从
不用that/why,要用 which/for which 所有关系词不可省
两类从句的区别
5 翻译不同 Eg:Our school has two foreign teachers, both of whom came from America. The foreigner who comes from America teaches us English.
(4) As 常用于以下结构：
as has been said before 如前所述 as often happens 正像经常发生的那样 as is well known 众所周知 as will be shown in Picture 3 将如图3所示 as we know 正如我们知道的那样 as may be imagined 这可以想象得出来 as we all can see 正如我们大家看到的那样 as appears正如所显示的 as often happens正如所发生的 as I understand正如我所有明白的
两类从句的区别
1 作用不同 限制----------附加，补充 Eg: Her sister who teaches us English will go abroad next year. Her sister, who teaches us English,will go abroad next year.