英语语法基础第8讲形容词性从句ppt课件

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1、英英语语法根底法根底第八第八讲描画描画词性从句性从句定定语从句从句一、定一、定语从句概述从句概述 v定语是修饰名词或代词的成分。单词、不定式、分定语是修饰名词或代词的成分。单词、不定式、分词、介词短语和从句都可以作定语。词、介词短语和从句都可以作定语。v在复合句中起定语作用的从句称为定语从句。由于在复合句中起定语作用的从句称为定语从句。由于定语从句对名词或代词起描画、修饰作用,所以又定语从句对名词或代词起描画、修饰作用,所以又称为描画词性从句。称为描画词性从句。v请对比以下各句:请对比以下各句:vI have a very good book.vI have a book to read.vI

2、 have an interesting book.vI have a book written by Lu Xun.vI have a book about Chinese history.vI have a book which the teacher recommended. 一、定一、定语从句概述从句概述 v从上面各句中,我从上面各句中,我们可以看出,英文的定可以看出,英文的定语有多种表达有多种表达方式,但无方式,但无论用什么方式表达,用什么方式表达,译成中文,都是定成中文,都是定语“的,位于被修的,位于被修饰的名的名词或代或代词之前。之前。v但在英但在英语中,中,单词作定作定语,普通

3、要放在被修,普通要放在被修饰词之前;之前;短短语或从句做定或从句做定语,必需放在被修,必需放在被修饰词之后。之后。v定定语从句可以修从句可以修饰名名词、代、代词,或修,或修饰整个句子。例:整个句子。例:vThe man who gave us a talk this morning is Professor Li.vThose who want to visit museum sign here, please.vShe got the first place in a writing competition, which made her parents so proud. 一、定一、定语从

4、句概述从句概述 v定语从句由关系词引导。关系词分为关系代词定语从句由关系词引导。关系词分为关系代词who,whom,whose,which,that 和关系副词和关系副词when,where,why。v关系词位于先行词和定语从句之间,起衔接作用,并关系词位于先行词和定语从句之间,起衔接作用,并承当句子成分。被定语从句修饰的名词或代词称为先承当句子成分。被定语从句修饰的名词或代词称为先行词。例:行词。例:vThe boy who is sleeping is my nephew.v boy 是先行词,是先行词,who是关系代词,引导定语从句是关系代词,引导定语从句who is sleeping,

5、who在从句中作主语。在从句中作主语。vThat is the house where I lived ten years ago.v the house是先行词,是先行词, where是关系副词,引导是关系副词,引导定语从句定语从句where I lived ten years ago,where在从句在从句中作地点状语。中作地点状语。 二、有定二、有定语从句的复合句的构成从句的复合句的构成 v带有定语从句的复合句实践上是由两个简单句带有定语从句的复合句实践上是由两个简单句结合而成的。其中一个句子是对另一个句子中结合而成的。其中一个句子是对另一个句子中的一个名词或代词进展阐明或限定,否那么,

6、的一个名词或代词进展阐明或限定,否那么,这个句子的意思能够不是很清楚。例:这个句子的意思能够不是很清楚。例:二、有定二、有定语从句的复合句的构成从句的复合句的构成 This is a book.My uncle gave me this book. 第二句是第二句是阐阐明第一句中明第一句中book的特性的特性“我叔叔送我叔叔送给给我的,我的,而不是其他什么而不是其他什么书书。可以用关系代。可以用关系代词词which替代替代this book,将第二句将第二句转变为转变为一个定一个定语语从句从句紧紧跟在它所需求修跟在它所需求修饰饰的的词词book后面。如下:后面。如下:This is the b

7、ook which my uncle gave me. 关系代关系代词词引引导导定定语语从句,并在从句中作从句,并在从句中作宾语时宾语时,从句中,从句中原来的原来的宾语宾语必需去掉。上例中,必需去掉。上例中,which曾曾经经替代了替代了this book,从句中就不能再反复出,从句中就不能再反复出现现this book了。了。This is the book which my uncle gave me this book. 二、有定二、有定语从句的复合句的构成从句的复合句的构成 定语从句的位置:定语从句的位置:定语从句修饰名词或代词。它在句中的定语从句修饰名词或代词。它在句中的位置是紧跟在

8、被它修饰的名词或代词位置是紧跟在被它修饰的名词或代词后面。后面。名词或代词在句中可以承当主语、宾语、名词或代词在句中可以承当主语、宾语、表语等多种成分,因此,定语从句也表语等多种成分,因此,定语从句也会随着被它修饰的名词、代词,出如会随着被它修饰的名词、代词,出如今各个不同的位置。今各个不同的位置。名词和修饰它的定语从句组成一个短语,名词和修饰它的定语从句组成一个短语,在句子中可以作表语、主语和宾语。在句子中可以作表语、主语和宾语。例:例:二、有定二、有定语从句的复合句的构成从句的复合句的构成 a girl + she likes dancing = a girl who likes danc

9、ingThe girl who likes dancing is my niece.作主语作主语This is a girl who likes dancing.作表语作表语A journalist wants to interview the girl who likes dancing.作宾语作宾语 三、定三、定语从句的种从句的种类 v限制性定语从句限制性定语从句v 限定性定语从句限定性定语从句v非限制性定语从句非限制性定语从句v 非限定性定语从非限定性定语从句句 三、定三、定语从句的种从句的种类 A. 限制性定语从句:限制性定语从句与其先行词限制性定语从句:限制性定语从句与其先行词严密相

10、连,不可分割。假设去掉从句,主句的严密相连,不可分割。假设去掉从句,主句的意思就不完好或是不合逻辑。主句和从句之间意思就不完好或是不合逻辑。主句和从句之间没有逗号分开。例:没有逗号分开。例:The woman who is speaking at the meeting is a famous lawyer. 假设把定语从句去掉,只剩下主句,意思就假设把定语从句去掉,只剩下主句,意思就是:那个女士是个著名的律师。但是,哪个女是:那个女士是个著名的律师。但是,哪个女士呢?意思显然不完好。士呢?意思显然不完好。This is the factory where we worked last yea

11、r. 去掉定语从句,只剩下主句:这是那个工厂。去掉定语从句,只剩下主句:这是那个工厂。是哪个工厂,意思不明确,所以限制性定语从是哪个工厂,意思不明确,所以限制性定语从句决不能被去掉。句决不能被去掉。三、定三、定语从句的种从句的种类 B. 非限制性定语从句:非限制性定语从句只是对主非限制性定语从句:非限制性定语从句只是对主句加以补充阐明,或进一步描画。没有这种定句加以补充阐明,或进一步描画。没有这种定语从句,主句的意思依然完好、清楚。非限制语从句,主句的意思依然完好、清楚。非限制性定语从句可以修饰一个名词、代词,也可以性定语从句可以修饰一个名词、代词,也可以修饰整个主句。非限制性定语从句不能用修

12、饰整个主句。非限制性定语从句不能用that引引导,当关系代词作宾语时,决不能省略。从句导,当关系代词作宾语时,决不能省略。从句和主句要用逗号分开。例:和主句要用逗号分开。例:Tom, who was one of my old friends, came to see me from London.He always comes to help me, which is very kind of him. 当非限制性定语从句修饰整个主句时,关系代当非限制性定语从句修饰整个主句时,关系代词替代的是整个句子,被视为一件事,从句中词替代的是整个句子,被视为一件事,从句中的谓语动词运用第三人称单数。此

13、外,带有非的谓语动词运用第三人称单数。此外,带有非限制性定语从句的复合句,译成中文时,往往限制性定语从句的复合句,译成中文时,往往译成两个分句。译成两个分句。四、关系四、关系词的用法的用法 A. 关系代词的用法:关系代词有关系代词的用法:关系代词有who,whom,whose,which,that等。关系等。关系代词本身没有单、复数之分。当他们在代词本身没有单、复数之分。当他们在从句中作主语时,从句中谓语动词的人从句中作主语时,从句中谓语动词的人称和数必需与它的先行词一致。例:称和数必需与它的先行词一致。例:Those who are singing are my classmates.Any

14、one who drives car must wear a seat belt.四、关系四、关系词的用法的用法 1. who: 修修饰饰的先行的先行词词必需是人,在定必需是人,在定语语从句中作主从句中作主语语。The man who has made up his mind to win will never say “impossible.Do you know the girl who studies at University?2. whom:修:修饰饰的先行的先行词词是人,但在定是人,但在定语语从句中作从句中作宾语宾语,可省,可省略。略。The old gentleman (whom

15、) you met just now is a famous writer.A distant relative (whom) I knew nothing about has written to me from Australia. 3. whose:表示:表示“的,在定的,在定语语从句中作定从句中作定语语,可修,可修饰饰人人或物。或物。Is there any room whose window faces the sea?Mary, whose father and mine are brothers, looks like my younger sister.四、关系四、关系词的用法

16、的用法 4. which:替代物,在从句中可以作主语,也可以作宾语,:替代物,在从句中可以作主语,也可以作宾语,作宾语时可以省略。在非限制性定语从句中作宾语时可以省略。在非限制性定语从句中which也可以也可以替代整个主句。替代整个主句。The river which flows through our village is very helpful to the villagers.Sorry, I forgot to bring the magazine (which) you want.The sun heats the earth, which makes it possible fo

17、r man to live. 5. that: 既可以替代人,也可以替代物。在从句中可以作主既可以替代人,也可以替代物。在从句中可以作主语和宾语,作宾语时可以省略。语和宾语,作宾语时可以省略。All (that) I want is a good meal and a good rest.Who is the girl that is talking to the teacher? 四、关系四、关系词的用法的用法 6. that和和which的区别:的区别:that和和which在引导定语从在引导定语从句修饰物时,普通没有区别,但在某些情况下二句修饰物时,普通没有区别,但在某些情况下二者不可以

18、互换者不可以互换 。1只能由只能由that引导的定语从句引导的定语从句 先行词是不定代词先行词是不定代词all,few,little,much,something,nothing,anything,none,one等。等。As we all know, all that can be done has been done.There is nothing (that) I can do for you. 先行词被先行词被all,any,every,each,few,little,no,some等修饰。等修饰。I have read all the books (that) you gave m

19、e.They have got every book (that) they needed. 四、关系四、关系词的用法的用法 1只能由只能由that引引导的定的定语从句从句 先行先行词被序数被序数词或描画或描画词最高最高级修修饰。He was the first that gave us some useful advice.The dinner was the most expensive meal (that) I had ever had. 先行先行词被被the only,the very,the same,the last修修饰。He is the only person (that)

20、 I want to talk to.Its the very thing (that) Ive been looking for. 先行先行词既有人又有物既有人又有物 They are talking about some things and persons (that) they remembered.The character and event (that) the author described in his book are very interesting. 在以在以who,which开开头的疑的疑问句中,用句中,用that以防止反复。以防止反复。Which is the b

21、ook (that) you are reading?Who is the man that sent the little boy home? 四、关系四、关系词的用法的用法 2只能由只能由which引导的定语从句引导的定语从句 引导非限制性定语从句。引导非限制性定语从句。There has just been a heavy rain, which makes the farmers delighted.We missed the TV play, which was a pity. 用于介词后,跟介词一同引导定语从句。用于介词后,跟介词一同引导定语从句。This is the facto

22、ry in which my father worked.China has hundreds of islands, of which Taiwan is the largest one. 四、关系四、关系词的用法的用法 B. 关系副词的用法:关系副词有关系副词的用法:关系副词有when,where,why等。等。1. when: 修饰的先行词是表示时间的单词,如:修饰的先行词是表示时间的单词,如:time,moment,month,day,year,在定,在定语从句中作时间状语。语从句中作时间状语。when可以引导限制性定可以引导限制性定语从句,也可以引导非限制性定语从句。语从句,也可以引

23、导非限制性定语从句。 1引导限制性定语从句引导限制性定语从句 He still remembers the days when he studied in France. 2引导非限制性定语从句引导非限制性定语从句 Sunday is a holiday, when people do not go to work. 2. why:修饰先行词修饰先行词the reason,在从句中作缘由,在从句中作缘由状语状语 。 Tell me the reason why you were absent yesterday.That is not the reason why you should lea

24、ve.四、关系四、关系词的用法的用法 C. 关系代词和关系副词的区别:对于同一个先行关系代词和关系副词的区别:对于同一个先行词,有时用关系代词,有时用关系副词,判别词,有时用关系代词,有时用关系副词,判别应该用什么词的原那么是:这个关系词引导定应该用什么词的原那么是:这个关系词引导定语从句时,在句子中是作主语、宾语还是作状语从句时,在句子中是作主语、宾语还是作状语。作主语、宾语时用关系代词,作状语时用语。作主语、宾语时用关系代词,作状语时用关系副词。请比较:关系副词。请比较:This is the school where I studied 10 years ago. 在从句中作地点状语在从

25、句中作地点状语This is the school which was set up 10 years ago. 在从句中作主语在从句中作主语This is the school (which) we set up 10 years ago. 在从句中作宾语在从句中作宾语四、关系四、关系词的用法的用法 D. 介词介词 + 关系代词引导的定语从句:介词关系代词引导的定语从句:介词 + 关系代关系代词也可以引导一个定语从句。主要有以下几种方词也可以引导一个定语从句。主要有以下几种方式:式:1. 介词介词 + 关系代词关系代词which: 等于一个关系副词。在等于一个关系副词。在此构造中,介词的选用

26、由此构造中,介词的选用由which 所替代的名词在所替代的名词在构成介词短语时与介词的固定搭配所决议。如:构成介词短语时与介词的固定搭配所决议。如: in the year = in which = when on the day = on which = whenat the factory = at which = wherein the house = in which = whereduring the holiday = during which = whenWe dont know the time when/at which the meeting will begin.I st

27、ill remember the day when/on which I first came to school.四、关系四、关系词的用法的用法 2. which 所修饰的先行词作带有介词的动词词组的所修饰的先行词作带有介词的动词词组的宾语:在这一构造中,介词的选用取决于句子中宾语:在这一构造中,介词的选用取决于句子中的动词词组或固定搭配中所需求的介词。例:的动词词组或固定搭配中所需求的介词。例:This is the subject (which/that) they might argue about for a long time.This is the subject about w

28、hich they might argue for a long time. 3.名词名词/代词代词 + 介词介词 + 关系代词关系代词 :I bought a dozen of eggs, half of which were broken when I got home.He has many friends, most of whom live abroad. 四、关系四、关系词的用法的用法 4.介词介词 + 关系代词关系代词whom: 当关系代词替代的是人当关系代词替代的是人而不是物,并在定语从句中作介词宾语时,要用而不是物,并在定语从句中作介词宾语时,要用whom。在这一构造中,介词

29、的选用取决于句子。在这一构造中,介词的选用取决于句子中相关构造所需求的介词搭配。例:中相关构造所需求的介词搭配。例:They are girls with whom my daughter goes to school.They are girls (whom/that) my daughter goes to school with.Is that the teacher to whom you handed your paper?Is that the teacher (whom/that) you handed your paper to?This is the boy for whom

30、 we have been looking for a long time. This is the boy (whom/that) we have been looking for a long time for. 四、关系四、关系词的用法的用法 E. 特殊的关系代特殊的关系代词词as:as 也可以作关系代也可以作关系代词词,引,引导导定定语语从句,修从句,修饰饰整个主句,并在定整个主句,并在定语语从句中从句中作主作主语语或或宾语宾语。as 主要和主要和such 连连用。常用于用。常用于the same as 与与一一样样 ,such as 诸诸如如 ,as is usual 与往常一与往常一样样 ,as I see 正如我正如我所知道所知道/看到看到 的,的,as often happens (正如正如经经常常发发生的生的) 等构造中。例:等构造中。例:Such stamps as you have collected are very valuable.I am eager to have the same dictionary as you bought the other day.As you know, David writes very well.As is well known, David writes very well.

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