高中定语从句课件一-副本.ppt

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1、 一一. 定语从句的基本定义定语从句的基本定义放在名词或代词后面，由关系代词或关系副词放在名词或代词后面，由关系代词或关系副词引导的修饰该名词或代词的从句叫定语从句。引导的修饰该名词或代词的从句叫定语从句。被修饰的词叫先行词。被修饰的词叫先行词。The boy who is reading is Tom.先行词先行词关系代词关系代词Hospital is a place where a doctor works.先行词先行词关系副词关系副词 二二. 关系词的分类关系词的分类1. 关系代词关系代词 2. 关系副词关系副词关系代词在定语从句中作主语、宾语、表语关系代词在定语从句中作主语、宾语、表语

2、和定语，常用的关系代词有：和定语，常用的关系代词有：that, which, who, whom, whose关系副词在定语从句中作状语，常用的关系副关系副词在定语从句中作状语，常用的关系副词有：词有：when, where, why三三. 关系代词的基本用法和注意点关系代词的基本用法和注意点1. 关系代词的基本用法关系代词的基本用法关系代词关系代词 指代的先指代的先行词行词充当从句的成分充当从句的成分who人人主语、宾语主语、宾语whom人人宾语宾语which物物主语、宾语主语、宾语that人或物人或物主语、宾语、表语主语、宾语、表语whose人或物人或物定语定语 who指人指人,在定语从句

3、中作主语或宾语。作宾在定语从句中作主语或宾语。作宾语时，可省略。语时，可省略。The man (who) I talked with is our teacher.A person who steals things is called a thief.whom指人指人, ,在定语从句中作宾语，可省在定语从句中作宾语，可省略略。 The man (whom) I nodded to is Mr. Li. which 指物，在定语从句中作主语或宾指物，在定语从句中作主语或宾语。作宾语时，可省略。语。作宾语时，可省略。 These are the trees which were planted

4、last year.This recorder （which） he is using ismade in Japan. He is the man (that) I told you about.that 指人或物，在定语从句中作主语或宾指人或物，在定语从句中作主语或宾语。作宾语时，可省略。语。作宾语时，可省略。A plane is a machine that can fly.(3) He is the kind person. I have ever worked with him. (4) This is the best film. I have ever seen this fil

5、m.He is the kind person who I have ever worked with. whom that This is the best film that I have ever seen. 1.The girl _is standing who/that巩固练习：巩固练习：2. 用适当的关系词填空用适当的关系词填空五五. 关系副词关系副词when, where和和why的用法的用法关系副词关系副词指代的先行词指代的先行词充当从句的成分充当从句的成分when表时间的名词表时间的名词/名词词组名词词组时间状语时间状语where表地点的名词表地点的名词/名词词组名词词组地点

6、状语地点状语why表原因的名词表原因的名词原因状语原因状语用关系副词用关系副词when时，先行词指时间，时，先行词指时间，when在定在定语从句中作时间状语，语从句中作时间状语，when可换成可换成“介词介词+关系关系代词代词”。如：。如：I still remember the day when (= on which) I first came to Nanjing.My father was born in the year when (= in which) World War broke out.1. when用关系副词用关系副词where时，先行词指地点，时，先行词指地点，wher

7、e在定在定语从句中作地点状语，语从句中作地点状语，where可换成可换成“介词介词+关系关系代词代词”。如：。如：This is the farm where (= on which) we worked when we were young.The school where (= in which) his mother teaches is in the west of the city.2. where用关系副词用关系副词why时，先行词指原因，时，先行词指原因，why在定语在定语从句中作原因状语，从句中作原因状语，why可换成可换成“介词介词+关系代关系代词词”。如：。如：There

8、are several reasons why (= for which) the boys should be punished.Tom couldnt give the teacher the reason why (= for which) he was late for school.3. why巩固练习：用适当的关系词填空巩固练习：用适当的关系词填空 1) October 1, 1949 was the day_ (_ _) China was founded. 2) Beijing is the place _ (_ _) I came. 3) Is this the reason

9、 _ (_ _) he didnt want to see me?whenon whichwherefrom whichwhyfor which 4) Is this the room _(_ _) we were living last winter? 5) The days are gone _ (_ _) we used “foreign oil”. 6) Yesterday, we had a meeting _ (_ _) we discussed many problems.wherein whichwhenduring whichat whichwhere对比练习：用适当的关系词

10、填空对比练习：用适当的关系词填空1. The room _ he once lived is still there. The room _ I have to clean every day belongs to my mother.where/in which(that/which)2. I will never forget the day_ I met you. I will never forget the day _ we spent together.when/on which(that/which) The reason _ I dont know is known to hi

11、m.(that/which)why/for which3. The reason _ I dont know the thing is that I was not there at that time.六六. 非限制性定语从句非限制性定语从句1. 非限制性定语从句的定义非限制性定语从句的定义非限制性定语从句是对被修饰部分进行附加说非限制性定语从句是对被修饰部分进行附加说明，如果去掉，主句的意思仍然完整或清楚。明，如果去掉，主句的意思仍然完整或清楚。它和主句之间的关系比较松散，因此常用逗号它和主句之间的关系比较松散，因此常用逗号隔开。隔开。My watch, which is very old

12、, stopped again.2.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与非限制性定语从句的区别(1)限制性定语从句和主句的关系十分密切，限制性定语从句和主句的关系十分密切，若省去，主句的意思就不明确。主从句之间若省去，主句的意思就不明确。主从句之间不用逗号隔开。而非限制性定语从句则不然。不用逗号隔开。而非限制性定语从句则不然。试比较：试比较：This is the best book that I have read.This is a good book, which is easy to understand.(2)限制性定语从句的先行词总是一个名词或一个限制性定语从句的

13、先行词总是一个名词或一个代词，而非限制性定语从句的先行词可以是一个代词，而非限制性定语从句的先行词可以是一个词，也可以是部分或整个主句的意思。此时，一词，也可以是部分或整个主句的意思。此时，一般用关系代词般用关系代词as或或which引导。引导。(4)在非限制性定语从句中，不能省略关系代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可以。词，而在限制性定语从句中则可以。(3)限制性定语从句可以用关系代词限制性定语从句可以用关系代词that引导，而非引导，而非限制性定语从句则不能。限制性定语从句则不能。(5)关系代词在非限制性定语从句中作介词的宾语关系代词在非限制性定语从句中作介

14、词的宾语时，介词前可以有被介词短语所修饰的词。如：时，介词前可以有被介词短语所修饰的词。如：(6)在非限制性定语从句中，关系代词还可以在非限制性定语从句中，关系代词还可以作介词的宾语。作介词的宾语。He has two daughters, the elder of whom is married.He is ill, in spite of which he keeps on studying.3. 关系代词关系代词as, which引导非限制定语从句时的区别引导非限制定语从句时的区别(1)as和和which都可指主句的整个意思，而不是主都可指主句的整个意思，而不是主句中的某一个词。句中的某

15、一个词。as引导的非限制性定语从句，引导的非限制性定语从句，既可在主句前，又可在主句后，有时还可插入主既可在主句前，又可在主句后，有时还可插入主句中；而句中；而which引导的非限制性定语从句一般置于引导的非限制性定语从句一般置于主句之后。如：主句之后。如：The weather turned out to be very good, which was more than we could expect.As is known to all, the moon travels round the earth.(2) as多用于下列习惯用语中多用于下列习惯用语中as anybody can s

16、ee 正如人人都能看到的那样正如人人都能看到的那样as is well known = as is known to all 众所周知众所周知as we had expected 正如我们所预料的那样正如我们所预料的那样as often happens 正如经常发生的那样正如经常发生的那样as has been said before 如上所述如上所述as is mentioned above 正如上面提到的正如上面提到的4. “介词介词+关系代词关系代词”结构引导非限制性定语从句，结构引导非限制性定语从句，一般有以下几种结构：一般有以下几种结构：(1)名词名词+介词介词+关系代词：关系代词：

17、They live in a house, the door of which faces south.(2)代词代词+介词介词+关系代词：关系代词：There are four students in the classroom, all of whom are working hard.(3)数词数词+介词介词+关系代词：关系代词：Last Sunday I bought a book from the bookstore, three of which were English novels.(4)形容词比较级形容词比较级/最高级最高级+介词介词+关系代词：关系代词：China has thousands of islands, the largest of which is Taiwan.Thank youThank you