1、非限制性定语从句语 境 自 主 领 悟先观察原句后自主感悟1.Xie Lei，who is 21 years old，has come to our university to study for a business qualification.2.Living with host families，in which there may be other college students，gives her the chance to learn more about the new culture.3.She is halfway through the preparation year，
2、which most foreign students complete before applying for a degree course.4.“You have to get used to a whole new way of life，which can take up all your concentration in the beginning，” explained Xie Lei，who had lived all her life in the same city in China.1.所有例句中的黑体部分都是非限制性定语从句，其标志为从句与主句之间用逗号隔开。位置可以置
3、于主句之中(如例句1、2)，也可以置于主句之后(如例句3、4)。2.例句1中先行词为Xie Lei，指人，在从句中作主语，故用who引导。3.例句2中先行词为host families，指物，在从句中作介词in 的宾语，故用in which引导。4.例句3中先行词为the preparation year，指物，在从句中作动词complete的宾语，故用which引导。5.例句4中which指代整个主句的内容；who指代先行词Xie Lei。2.例句1中先行词为Xie Lei，指人，在从句中作主语，故用who引导。一、限制性定语从句与非限制性定语从句的区别限制性定语从句非限制性定语从句意义起限
4、定作用，指特定的人或物，从句不可省略，否则原句句意不完整仅作补充或说明，若去掉从句，主句意思完整结构要求紧跟先行词，从句与先行词之间不加逗号用逗号与先行词或主句隔开功能修饰先行词修饰先行词或整个主句引导词所有的关系代词及副词关系代词或关系副词，但是关系代词that及关系副词why除外省略情况关系代词在限制性定语从句中作宾语时可以省去非限制性定语从句的所有关系词均不可省去译法翻译成先行词的定语，“的”通常翻译成主句的并列句We visited the school where we studied two years ago. (限制性定语从句，起限定作用)我们参观了两年前在那儿上学的学校。Th
5、e house，which we bought last month，lies in the centre of the city.那套房子位于市中心，是我们上个月买的。(非限制性定语从句，不表明有多少套房子)The house which/that we bought last month lies in the centre of the city.我们上个月买的那套房子位于市中心。(限制性定语从句，暗含“可能有若干套房子”之意)即时训练1用适当的关系词填空His mother，who loves him very much，is strict with him.Dorothy was a
6、lways speaking highly of her role in the play，which，of course，made the others unhappy.二、使用非限制性定语从句应注意的问题1非限制性定语从句不用that引导。I am fond of the novel，which you bought for me.我喜欢那本小说，就是你给我买的那本。2非限制性定语从句不能用why引导，要用for which代替why。I have told him the reason，for which I missed the early bus.我没能赶上早班车，我已经告诉了他原因
7、。3非限制性定语从句的先行词可以是整个主句的内容，这时从句谓语动词要用第三人称单数。He is shallow，which is known to us all in our company.(先行词为主句的内容)他很肤浅，我们公司的人都知道。即时训练2用适当的关系词填空Wang Fang passed her exam，which surprised me a great deal.The reason，for which he was absent from the meeting，wasnt given.三、as，which引导非限制性定语从句时的区别关系词aswhich指代指代整个主句
8、所表达的内容既可指代整个主句所表达的内容，又可指代主句的一部分位置可位于主句之前、之中或之后引导的从句不能位于主句之前意义常用来表示说话人对于某事的态度、解释或评论等，含有“正如”的意思一般表示某事的状况或结果，含有“这，那”的意思As we know，light travels faster than sound.Light，as we know，travels faster than sound.Light travels faster than sound，as we know.正如我们所知，光的传播速度比声音的传播速度快。Smoking is harmful to ones healt
9、h，as is known to all.吸烟有害健康，这一点是众所周知的。My parents often treat me as a baby，which I cant bear.父母常常把我当小孩看待，这是我难以忍受的。名师点津as常用在一些固定结构中。as is said above 如上所述as is known to all 众所周知as has been said before 如前所说as is often the case 情况常常如此 as has been pointed out 正如已经指出的那样as often happens 这种情况常常发生as is alread
10、y mentioned above 就跟上边所提到的那样as you can see 就跟你看到的那样即时训练3用适当的关系词填空There is no simple answer，as is often the case in science.Until now，we have raised 50，000 pounds for the poor children，which is quite unexpected.四、“介词关系代词”引导的非限制性定语从句该结构中，关系代词指人时用whom，指物时用which，不可以用that；关系代词在从句中作定语时用whose。from where也可以
11、引导定语从句。He came to a farm，on which he finally settled.他来到一个农场，最终在那里定居。He has two sons，both of whom are doctors.他有两个儿子，都是医生。The family，at whose house I stayed，are friends of my fathers.那家人是我父亲的朋友，我在他们家住过。We stood at the top of the hill，from where we can see the whole town.我们站在山顶上，从那里可以看到整个城镇。名师点津介词的选择
12、(1)根据与从句中的动词、形容词或名词所构成的固定短语来确定。(2)根据与先行词的搭配来确定。(3)根据整个句意来确定。即时训练4用适当的关系词填空With the fast development of agriculture，the people，in whose village she taught 10 years ago，have lived a happy life.The police arrived，after which the situation became calmer.Soon after getting off his horse，the captain appea
13、red at the second storey windows，from where he could see nothing but trees.单句语法填空1As is known to everybody，the moon is smaller than the earth.2I didnt become a serious climber until the fifth grade，when I went up to rescue a kite that was stuck in the branches of a tree.3He was eager to go to the ho
14、spital to see his stepmother，whom he loved and respected as his own mother.4He has passed the college entrance examination，which makes his parents quite happy.5The glasses，without which he was like a blind man，were broken.6Mo Yan，most of whose novels have been adapted for films，is now a worldfamous
15、writer.7The living standard of the people in China，as is shown in the report，has improved over the past decades.8English is a language shared by several diverse cultures，each of which uses it differently.9You will have to wait for one more week，when the manager will be back from his trip.10We walked
16、 down the village street，where people were having a market day.用非限制性定语从句完成句子1众所周知，月亮每月绕地球转一周。As is known to all/everybody，the moon travels round the earth once every month.(as)2昨天她买了些布，她打算用这些布做一件裙子。She bought some cloth yesterday，with which she was going to make a dress.(with)3他们住在一个高楼里，在楼的前面矗立着一棵大树。They lived in a tall building，in front of which stood a big tree.(stand)4让我们为我们的约会定个日期，届时我们将谈论这件事。Lets fix the date for our appointment，when we will discuss the matter.(discuss)5这群人共有60人，其中一半的人是工人。There are 60 people in the group，half of whom are workers.(whom)
