2024年初中英语语法复习讲义之定语从句知识精讲

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2024年初中英语语法复习讲义之定语从句知识精讲

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2024年初中英语语法复习讲义之定语从句知识精讲
定语从句是指一类由关系词引导的从句,通常由先行词和关系词组成。关系词可以是that、who、which、whom、as、whose等。定语从句在语法上多做定语,但也有时态、语态等的变化。
定语从句是语法中的一个重要概念,也是考试中的常见考点。定语从句通常由关系词引导,用来修饰某个名词或代词。关系词包括that、which、who、whom、whose、as等,它们可以用于引导定语从句。在考试中,考生需要注意定语从句的语法规则和用法,如如何正确地使用关系词、如何判断先行词等。此外,还需要注意定语从句与同位语从句的区别,避免混淆
定语从句在语法中起到修饰名词或代词的作用。定语从句通常由关系词引导,用来修饰某个名词或代词。关系词包括that、which、who、whom、whose、as等,它们可以用于引导定语从句。定语从句的作用是增加句子的丰富性和复杂性,使句子表达更加准确和完整。例如:
The book that I read last week is really interesting.(我上周读的这本书真的很有趣。)
The man who I saw yesterday was my old friend.(我看见的那个男人是我的老朋友。)
The girl whose bike was stolen has been very upset.(被偷了自行车的女孩非常难过。)
定语从句的语法规则如下:
定语从句通常由关系词引导,用来修饰某个名词或代词。关系词包括that、which、who、whom、whose、as等。
定语从句必须紧跟在它所修饰的名词或代词之后。
定语从句中的关系词应该放在主句谓语动词之前。
定语从句中的关系词应该使用适当的时态和语态。
定语从句中的关系词应该使用适当的数。
定语从句中的关系词应该使用适当的代词形式。
定语从句中的关系词应该使用适当的形容词性物主代词。
定语从句中的关系词应该使用适当的副词性物主代词。
例如:
The book that I read last week is really interesting.(我上周读的这本书真的很有趣。)
The man who I saw yesterday was my old friend.(我看见的那个男人是我的老朋友。)
The girl whose bike was stolen has been very upset.(被偷了自行车的女孩非常难过。)
定语从句是修饰名词或代词的从句,一般紧跟在它所修饰的先行词后面。关系词是引导定语从句的关联词,有关系代词和关系副词两种。关系代词有that、which、who、whom、whose等;关系副词有where、when、why等。关系词在定语从句中担当一个成分,有引导定语从句、代替先行词、在定语从句中充当主语或宾语等作用。
在定语从句中,关系代词who指人,在从句中做主语; whom指人,在定语从句中充当宾语,常可省略; which指物,在定语从句中做主语或者宾语,做宾语时可省略; that指人时,相当于who或者whom;指物时,相当于which。在宾语从句中做主语或者宾语,做宾语时可省略。whose通常指人,也可指物,在定语从句中做定语。
非限制性定语从句不能用that来引导,并且作宾语的引导词不能省略;而限制性定语从句不受限制。例如,句1就是非限制性定语从句,故引导词只能用which,句2是限制性定语从句,故引导词为that[2]。
综上所述,定语从句的引导词包括关系代词和关系副词,其中关系代词有that、which、who、whom、whose等,关系副词有where、when、why等。在定语从句中,关系代词做主语、宾语、介词宾语等,关系副词做时间状语、地点状语等。需要注意的是,非限制性定语从句不能用that来引导,并且作宾语的引导词不能省略,而限制性定语从句不受限制。
由which, that引导的从句
它们所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等,作宾语时可以省略,例如:   
(1) Prosperity which / that had never been seen before appears in the countryside.
农村出现了前所未有的繁荣。(which / that在从句中作主语)  
(2) The package (which / that) you are carrying is about to come unwrapped.
你拿那个包裹快要散开了。(which / that在从句中作宾语)
注意: 代表物时多用which,但在下列情况中用that而不用which:   
先行词是anything, everything, nothing , none等不定代词时;  
先行词由every, any, all, some, no, little, few, much等修饰时,这时的that常被省略;
先行词前有序数词或被形容词最高级修饰时;   
先行词中既有人又有物时;   
整个句中前面已有which,who,that时;   
当先行词为物并作表语时;  
先行词为one时;   
先行词同时又被the only,the very,the same修饰时;
由who, whom, that,Whose引导的从句
这些词代替的先行词是人的名词或代词,who作主语指人,whom作宾语指人,that既可作主语又可作宾语(作宾语可以省略),可以指人也可以指物。Whose 用来指人或物,只用作定语。
(1) Is he the man who/that wants to see you
他是那个想见你的男人吗?(who/that在从句中作主语)   
(2) He is the man whom/ that I saw yesterday.
他就是我昨天见的那个人。(whom/that在从句中作宾语)   
(3) The man whom you spoke to just now is our English teacher
你刚刚说话的那个男人是我们的英语老师
(4) he man whose son is a doctor is our professor.
那个儿子是医生的男人是我们的教授。
关系副词引导的定语从句
1、when指时间在定语从句中做时间状语也可做连接词用   
I still remember the day when I first came to the school.  
2、where指地点在定语从句中做地点状语   
Shanghai is the city where I was born.   
3、why指原因在定语从句中做原因状语 ,用在reason 后面。
Please tell me the reason why you missed the plane.  
以下是一些定语从句练习题及答案,供大家参考:
The place ____interested me most was the Children’s…
答案:which was the Children’s hospital
She is the person ____ I want to see.
答案:whom I want to see
The book ____ I read last week is really interesting.
答案:that I read last week
The man ____ I saw yesterday was my old friend.
答案:who I saw yesterday
The girl ____ bike was stolen has been very upset.
答案:whose bike was stolen

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