1、非限制性定语从句学案第1页【学习目标】1.掌握定语从句和非限制性定语从句区分。2.学会正确使用非限制性定语从句、Grammar-the restrictive and non-restrictive clause(限制性定语从句与非限制性定语从句)。3.自主学习,团体合作完成任务。第2页、完成以下练习(which,that,who,whose,whom,where,why,when).Look at the girl _ is dancing so beautifully.Do you know the lady to _ our teacher is talking?.Jackson is
2、the boy _ sweater is red.He gave me a suitcase _ he bought last week.Mary has read all the books _ I lent her.Is it the reason _ you were late?.October 1st is the date _ China celebrates its National Day.We walked in a garden _ many trees and flowers had been planted.第3页、下面两个句子只有一个逗号之差,试比较其意义。1、He w
3、ill wear no clothes which will make him different from others.2、He will wear no clothes,which will make him different from others.第4页3、She has two brothers who are working in the city.(She has more than two brothers.)4、She has two brothers,who are working in the city.(She has only two brothers.)5、My
4、 uncle,who lives in London,is very rich.6、My uncle who lives in London is very rich.第5页7、The policies,which were unpopular,were rejected by the voters.8、The policies which were unpopular were rejected by the voters.9、My niece,whose husband is out of work,will inherit the house,which I have always tr
5、easured.10、My niece whose husband is out of work will inherit the house which I have always treasured.第6页限制性定语从句与非限制性定语从句区分(1)限制性定语从句对先行词起限制、确定作用,是先行词不可缺乏定语,假如省去,主句意思就会不完整,不明确或不合逻辑。这种定语从句和主句之间不能用逗号隔开。非限制性定语从句和先行词关系涣散,只是对先行词作附加说明,假如省去,主句意思依然完整或清楚。这种定语从句和主句之间须用逗号隔开。第7页Examples:She kept on telling joke
6、s,which made everyone angry.She kept on telling jokes which made everyone angry.They said they loved their children,who were well-behaved.They said they loved their children who were well-behaved.第8页(2)限制性定语从句先行词总是一个名词或一个代词,而非限制性定语从句先行词能够是一个词,也能够是部分或整个主句意思。此时,普通用关系代词as或which引导。(3)限制性定语从句能够用关系代词that引
7、导,而非限制性定语从句则不能。第9页(4)在非限制性定语从句中,不能省略关系代词,而在限制性定语从句中则能够。(5)关系代词在非限制性定语从句中作介词宾语时,介词前能够有被介词短语所修饰词。如:He has two daughters,the elder of whom is married.第10页(6)在非限制性定语从句中,关系代词还能够作介词宾语。He is ill,in spite of which he keeps on studying.(7)关系副词when和why用于引导限制性定语从句时,在口语和非正式文体中能够省去,不过where通常不能够省去。第11页a.Be sure t
8、o call on us next time(when)you come to town.b.This is one of the reasons(why)you may like to eat it.3.as与which引导非限制性定语从句区分1).which 引导定语从句只能位于主句后,但as引导从句可位于主句前、中、后。如:第12页David,as you know,is a photograopher.戴维是个摄影师,你是知道。(不可用which)Li Ming is late,as is often the case.李明迟到了,这事是经常发生。(不可用which)2).as在定语从
9、句中作主语时,从句谓语通常要有be或别系动词,但which不受此限制。如:Li Ming was late,which(=and this)made Mr.Zhang very angry.李明迟到了,这件事使张先生非常生气。(不可用as)第13页3).as 引导定语从句只表示一个众所周知或意料之中事,但 which 不受此限制。如:He married her,which was unexpected.他和她结婚了,这是出乎意料。(不可用as)4).as有“正如”之意,而which则意为“这(件事,一点)”,可用and this/that/it来代替。5).as多用于固定搭配中:as is
10、often the case(这是常有事),as was expected(不出所料),as often happens(正如经常发生那样),as is known to all(众所周知),as has been said before(如上所述),as is mentioned above(正如上面所提到)等。注:which 代表整个句子,还可用于in which case,at which point,on which occasion等。如:I may have to work late,in which case 第14页I may have to work late,in whic
11、h case Ill telephone you.我可能得晚点下班,那样我会给你打电话。第15页、依据课文内容填空(which,that,who,whose,whom,as,where,why,when)This gift was the Amber Room,_was given this name because several tons of amber were used to make it.The amber _was selected had a beautiful yellow-brown colour like honey.It was also a treasure dec
12、orated with gold and jewels,_took the countrys best artists about ten years to make.However,the next king of Prussia,Frederick William I,_ _the amber room belonged,decided not to keep it.Later,Catherine II had the Amber Room moved to a palace outside St Petersburg _she spent her summer.第16页.In 1770
13、the room was completed the way _she wanted.This was a time _the two countries were at war.There is no doubt that the boxes were then put on a train for Konigsberg,_was at that time a German city on the Baltic Sea.In it was ready for the people of St Petersburg_ they celebrated the 300th birthday of their city.第17页