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2022-5-24 16:40| 评论: 0 | 890

专四定语从句精讲

摘要: 回复“专四”,即可获得历年真题资料及参考答案定语从句三部曲1. 找出先行词;2. 确定先行词在从句中的成分:主语,宾语, 状语;3. 选择正确的关系词。几个关系代词的基本用法 thatthat: 可指人或物;可作主语,宾 ...


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回复“专四”,即可获得历年真题资料及参考答案


定语从句三部曲
1. 找出先行词; 
2. 确定先行词在从句中的成分:主语,宾语,    状语; 
3. 选择正确的关系词。 

几个关系代词的基本用法  that
that: 可指人或物;可作主语,宾语。  指人时,相当于who或 whom;  指物时,相当于which
A letter  is written in pencil is difficult to read.  Do you know the gentleman who spoke just now? 
What is the question _they are talking about? Here is the man __you want to see.   

只能用that 不能用which的情况
1.先行词为不定代词时:all, much, everything, anything, nothing, something, none, the one.
2.先行词被only, any, few, little, no, just, very, one of等修饰时;  the only book, just the book/ the very book
3.先行词是序数词时或被序数词修饰时; 
4.先行词是Z高级或被Z高级修饰时; 
5.先行词既有人又有物时; 
6.先行词是数次时;(two, ten, a hundred)  
7.如果有两个从句,其中一个关系代词已用which ,另一个关系代词宜用that,以避免重复;  
8.疑问词是who或which,关系代词宜用that,以避免重复;   
9.主句是There be 结构,修饰其主句的定语从句宜用that 作关系代词; 
10.被修饰成分为表语时,或者关系代词本身是定语从句的表语时,该关系代词宜用that。
 (主语+be+n. /adj.; 主语+系动词+adj.)  

即学即用 
1. The writer and his novel_____you have just talked 
about is really well known . 
2. The most important thing______should be done right now is how to stop him from going on.  
3. The last place_____ we visited was the chemical 
works.  
4. There's nothing ______can be said about it .  
5. This is the third film_____has been shown in our school this term. 
6. Yesterday I caught two fish and put them in a basin of water. Now you can see the two_____are still alive.
7. Who is the man_____ is standing at the gate? 
8. That's a good book_____will help you a lot.  
9. There is still a seat in the corner_____ is still free. 
10.Edison built up a factory which produced things_____had never been seen 
before.  逗号和介词后面不能用that  

which
which: 指物;可作主语,宾语,状语。 
1.The book_____was on the desk was bought by my father.     
2.The book____I bought yesterday is very interesting.  
3. The factory_____his father works is far from here.   

只能用which不能用that 的情况:
1. 介词后面只能用which; 
Is this the room in which Mr. White lives?
2. 非限定性定语从句中。 
More and more people are beginning to learn English,which is becoming very popular in our country.  
3.当关系代词后面带有插入语时; 
Here's the English grammar which, as I have told you, will help improve your English.  
4. 先行词是those+复数名词.  
A shop should keep a stock of those goods which sell best.  

who, whom, whose
who: 主格, 在从句中作主语,只可指人;whom: 宾格,在从句中作宾语,只可指人; 
whose: 属格,在从句中作定语,可指人也可指物。 (whose =  of which或of whom)
I like the students who work hard.  All who heard the story were amazed.  
Chaplin, for whom life had once been very hard, was asuccess as an actor.   
A child whose parents(=the parents of whom/of whom the parents) are dead is called an orphan. I'd like a room whose window faces south.  The book whose cover (=the cover of which/of which the cover) is red is there.

只能用who 不能用that 的情况
1. 先行词为anyone, anybody, those, all, one, ones, they, he, people时;  
Anyone who failed to come to the meeting yesterday must give his reason . 
He who knows nothing but pretends to know everything is indeed a good-for –nothing.
2. 在非限定性定语从句中; 
His mother, who loves him very much, is strict with him. 
3.在here be开头的句子中。 
Here is a boy who wants to see you.

When
When 指时间,在定语从句中作时间状语。其先行词是表时间的名词 (如:time, day, week, year, month等)  He came last night when I was out.
We will put off the picnic until next week, when the weather would be better. 
when =  介词+which 
• I still remember the day when I first came to this school. (when= on which) 
• He came at a time when we needed him most.      (when= at which) 
• We will never forget the year 1949, when the People's Republic of China was founded.   (when= in which) 比  较 
• I still remember the day___my brother joined the army.  
• I still remember the days___we spent together.  先行词是时间名词,但在定语从句中做宾语 或主语时,先行词不能用when。 

Where
Where 指地点,在定语从句中作地点状语。其先行词是表示地点的名词。 (如:place, school, factory, room等)   
This is the place where I was born.  
I live in the room where /in which he used to live. 
where = 介词+which 
• I recently went back to the town where I was born.     (where = in which) 
• I would like to live in a country where there is plenty of sunshine. (where = in which) 比  较 
• The small mountain village _____we spent our holiday last month is now very 
famous. 
• This is the park ______they visited last year.  
先行词是地点名词,但在定语从句中做宾语或主语时,先行词不能用where。 

Why
Why 指原因,在定语从句中作原因状语。先行词为reason 时,可用for which指代。 
The reason why / for which / (that) he didn't attend the meeting was that he was ill. 
比较
• I don’t believe the reason that/which he gave me.  
• Have you asked him the reason that may explain his success?  当关系词在从句中作主语或宾语时,不能用why 引导。   
先行词在从句中做状语时,关系词才可以用when, where和why。 补 充 
当先行词为way时,定语从句常用that, in which,或how引导,that常可以省略。  This is the way that  / in which  I do such things.
Please do the experiment in the way that/which I haveshown you. (做宾语) 
as 的用法 
He was a foreigner, ____ I knew from his accent.      
A. that    B. as   C. where   D. why 
①如为限制性的,多用于the same …as ; the same as;such …as …; as many/much as;so …as等结构中。 
I have the same book as you (have). 
Her attitude to him was quite the same as it had always been.  比较:I live in the same house that he used to live in.      I'm wearing the same shirt as you wore yesterday. 
②如为非限制性的,多单独引导一个定语从句,这种定语从句可置于句首、句中或句尾,译为“正如”。(动词常为know, see, expect, point out, etc.)    
As we all know, smoking is harmful to one's health .  
 Smoking, as we all know, is harmful to one' health.  
补  充    
无论是关系代词,还是关系副词,都在定语从句中充当一定的成分,因此,先行词在定语从句中不复出现。  
 This is the book that I borrowed it yesterday【误】. 
The English Corner is the place where people    often go there to practice their spoken English【误】. 
关系词的省略 

在下列情况下,关系词在非正式文体中可以省略:
1.  关系代词that, which, who, whom在定语从句中做宾语时,常可省略。
Are these keys (that which) you were looking for? 
The man (who/that) I was sitting next to on the plane talked all the time. 
2.以the way为先行词的限制性定语从句通常由in which或that引导,而且通常可以省略。  
I don't like the way (that/ in which) she walks.
The way (that /in which) he answered the questions was surprising. 
3.在the time when, the place where, the reason why结构中,when, where, why可省略。  I shall never forget the day (when) we first met.
That's the place (where) he stayed when he was in thecountry. 

一些重要用法
All (that)=All=what ,例如 All that (=What/All)can be done has been done.
whatever,whoever,whomeverwhenever, whichever, wherever
You can choose whatever 【=anything( that) you like】you like
Whoever(=Any person who) wants to may go.
You may choose whomever[【any person (that)】you like
You can come whenever you are free. You may go wherever you want to go. You may choose whichever you like.
The book that/which is written in English is there. The man that/who is popular is there(先行词做主语,不省略)
The book( that/which) he likes is there. The man (that/who/whom) he likes is there(先行词做宾语,可省略)
The book about which he is talking= The book(which)he is talking about is there.
The man about whom he is talking is there=The man
(whom) he is talking about is there(先行词做宾语,可省略)
The book whose cover is red is there= The book the cover of which is red is there,
The man whose father is a doctor is there=The man the father of whom is a doctor is there.
The place (that /which) he visited is there . (先行词做宾语,可省略)
The place where I work is there .
The place that /which is beautiful is there . (先行词做主语,不省略)
The place about which I know nothing is there=. The place (which) I know nothing about is there
The place whose name(the name of which) is Beijing is there .
名词, both/neither/either/each/ of which/whom+v, v总+其他
名词, none/all/not all/some/most of which/whom+v, v总+其他
As is known to us all/As could be expected/As we all know
I feel just the same as you do.


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