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1、高考英语一轮总复习 语法专项突破 考点精讲 第八节 定语从句考点一定语从句的基本用法1限制性和非限制性定语从句限制性定语从句对先行词起修饰限制作用；非限制性定语从句对先行词起补充说明作用。非限制性定语从句与先行词之间往往用逗号隔开。He has two sons who work in the same pany. 他有两个儿子在同一家公司上班。(Perhaps he has more than two sons.)He has two sons，who work in the same pany. 他有两个儿子，他们在同一家公司上班。(He has only two sons.)2关系代词w
2、ho，whom，whose，that，which，as引导的定语从句(1)who指人，在定语从句中作主语，有时可作宾语(限制性定语从句中作定语时可省略)。She is the girl who lives next door.她就是住在隔壁的女孩。(2)whom指人，在定语从句中作宾语(限制性定语从句中可省略)。That is the man (whom) I met in Beijing last year. 他就是我去年在北京碰见的那个人。My brother，whom you met the other day, has gone abroad. 前几天你遇见过的我的那个兄弟， 出国了。
3、(3)whose指人和物，在定语从句中作定语。Shes the student whose handwriting is the best in my class. 她就是我的班里书法最好的学生。I live in a room whose windows face the south.我住在一个窗户朝南的屋子里。(4)that指人和物，不引导非限制性定语从句，在定语从句中作主语、宾语(可省略)和表语。This is the book (that) I want to read.这就是我想读的那本书。(5)which一般指物，在非限制性定语从句中可指前面的整个句子，可作主语、宾语(限制性定语从
4、句中可省略)和表语。I want to buy a dictionary, which is valuable to my learning.我想买本词典，它对我的学习很有价值。He was late again，which made the teacher very angry. 他又迟到了，这使得老师很生气。(6)as指人或物，在非限制性定语从句中可指前面的整个句子，一般作主语、宾语和表语。As is known to us all，China is a developing country. 众所周知，中国是个发展中国家。3关系副词when，where，why引导的定语从句(1)when
5、在定语从句中作时间状语。I still remember the days when we stayed in England.我仍然记得我们在英国的那些日子。(2)where在定语从句中作地点状语。This is the place where they used to take a walk. 这就是他们过去经常散步的地方。(3)why在定语从句中作原因状语。Do you know the reason why he was absent yesterday? 你知道他昨天缺席的原因吗？考点二几组关系词的区别1关系代词与关系副词的区别关系代词与关系副词的区别主要是在定语从句中的不同作用，关
6、系代词在从句中做主、宾、表和定语，而关系副词在从句中作状语。关系副词有时可相当于“介词关系代词”。Do you still remember the days(that/which)we spent in Qingdao?你还记得我们在青岛度过的日子吗？Do you still remember the days when(in which) we spent the summer holidays in Qingdao?你还记得我们在青岛过暑假的日子吗？2that与which的区别(1)只用that不用which的情况先行词是all, much, little, something, eve
7、rything, anything, nothing, none等不定代词时。All that can be done has been done.能做的都已经做了。先行词被only，any，few，no，very，little等修饰时。This is the bus that I am waiting for.这就是我在等的公交车。先行词是形容词最高级或序数词或被形容词最高级、序数词修饰时。This is the last train that will go to Hangzhou.这是去杭州的最后一趟火车。先行词为人、物并用时。Do you know the things and per
8、sons that they are talking about?你知道他们正在谈论的人和事吗？当先行词在主句中作表语，而关系代词也在从句中作表语时。Shanghai is no longer the city that it used to be. 上海已不再是过去的那座城市了。(2)只用which不用that的情况引导非限制性定语从句时。His jokes didnt even raise a smile, which was embarrassing. 听了他讲的笑话都没人笑一下， 真是太尴尬了。关系代词前有介词时。Plants get the nutrition from the so
9、il in which they grow. 植物从它们赖以生存的土壤中吸收养分。3as与which的区别(1)as引导的非限制性定语从句既可以放在主句前，也可以放在主句后，有时还可插入主句中。which引导的非限制性定语从句通常放在主句之后。Success，as is known，is the pursuit of many ambitious people. 成功， 正如人们所知， 是许多有雄心的人的追求。Tom has made great progress，which made us very happy.汤姆取得了很大进步，这使我们很高兴。(2)as意为“正如”，后面的谓语动词多是s
10、ee, know, expect, say, mention, report等；which意为“这点”。John was admitted into the college, as we had expected. 正如我们所料，约翰被这所大学录取了。The sun gives us light and heat，which is very important to us.太阳给我们提供光和热，这一点对我们非常重要。(3)当先行词前有such，the same等修饰时，常用as。Such advice as he was given has proved almost worthless.他得
11、到的那点建议结果证明几乎毫无价值。考点三“介词关系代词”引导的定语从句1“介词关系代词”中介词后的关系代词只能是which或whom。Do you know the man with whom Mr. Black talked just now?你认识和布莱克先生刚才谈话的那个人吗？2“介词关系代词”中介词的确定(1)与定语从句中的动词构成搭配，但需注意，有些固定短语中的介词不能拆开移到关系代词前。We cant find the house in which we used to live. 我们找不到过去曾经住过的房子。This is the person (whom) you are l
12、ooking for. 这就是你找的那个人。(for不能提前)(2)与定语从句所修饰的先行词构成搭配。He built a telescope，through which he could study the skies.他架起一架望远镜，通过它可以研究天空。(3)当“复合介词短语which”引导定语从句时，这种定语从句常与先行词用逗号隔开，从句用倒装语序。He lives in a big house，in front of which stood a big tree. 他住在一所大房子里，房前有棵大树。(4)“ofwhich/whom”表示所属关系。He lives in a room
13、of which the windows face south.他住在一所窗子朝南的屋子里。考点四定语从句的其他要点1关系代词which的特殊用法有时为了使表达的意思更清楚，可用“which名词”引导定语从句。She may have missed the train, in which case she wont arrive for another hour. 她可能没有赶上火车， 那样再过一个小时她也到不了。2当先行词是case，condition，situation，position，point，stage等表示抽象意义的名词时，并在定语从句中做状语时用关系副词where引导定语从句。
14、They have reached the point where they have to separate from each other.他们已经到了必须分手的地步。3“介词where”引导的定语从句有时我们可以见到“介词where”引导的定语从句，此时要与“介词which”引导的定语从句加以比较。He hid himself behind the door, from where he saw the man take a photo of something on the desk.他躲在门后面，从那里他看见那个人拍摄了桌子上的什么东西。(from where 指from behin
15、d the door而不是from the door) 4当先行词way意为“方式，方法”且在定语从句中作状语时，引导定语从句的关系词有in which，that或不用任何关系词这三种形式。I dont like the way (that/in which) he speaks.我不喜欢他说话的方式。5whose和of which/whom引导的定语从句whose和of which/whom可以相互代替，但顺序不同，whose名词the名词of which/whom。This is the scientist whose name(the name of whom) is known all over the world.这就是那位世界闻名的科学家。6分隔式定语从句定语从句有时不直接跟在先行词之后，而是中间由一个定语、状语或谓语隔开。There is an expression in her eyes that I cant understand.我不能理解她眼中表达的东西。7定语从句中的谓语动词与先行词保持一致，试比较。He is one of the students who have passed the driving
