定语从句和名词性从句的运用及其区别英语专业毕业论文.doc
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1、定语从句和名词性从句的运用及其区别摘 要:在英语学习中定语从句与名词性从句的掌握是一大难点,这两种从句有一定的相似性,不少学生难以分清,常常误用。本文主要研究定语从句与名词性从句的相似性及不同点,分析在各种语境下怎样正确使用定语从句和句词性从句。现今在语法学习中,同学们还容易混淆关系词和连接词的使用,所以了解并掌握定语从句与名词性从句对中学生语法学习的提高具有一定的意义。关键词:定语从句;名词性从句;连接词;关系词Abstract: Attributive clause and noun clause are pretty difficulties to master in English l
2、earning , because they are similar in some ways,it is also difficult to distinguish for students. This paper studies and analyses attributive clause and Noun clause how to use them correctly in similarities and differences in the context .Students are also easy to confuse the use between the words a
3、nd conjunctions. To enhance their studies ,it is necessary to understand and grasp the attributive clause and noun clause .Key words: attributive clause;noun attributive;conjunction; relative 如果掌握了它 定语从句与名词从句是英语复合句中很重要的两种从句,是很普遍的英语语言现象,也是高考的常考点,必考点。我们们的特点,那么做题就能得心应手。现将定语从句与名词性从句区别分析如下:一、定语从句与名词性从句的基
4、本概念1、有关定语从句的基本概念(1)定语从句:就是在复合句里充当定语的从句,它通常紧靠在所修饰的名词或代词后面。它是由关系代词和关系副词引导的从句,其作用是作定语修饰主句的某个成分,定语从句分为限定性和非限定性从句两种。(2)先行词:就是被定语从句修饰的名词或代词。(3)关系词:引导定语从句的词叫关系词。2、有关名词性从句的基本概念(1)在复合句中起名词作用的从句叫名词性从句,包括作主语从句,表语从句,宾语从句和同位语从句。(2)主语从句就是在复合句中作主语的从句。主语从句常用that, whether, who, whom, whose, what, which, when, where,
5、 how, why, whatever, whoever等引导。(3)表语从句就是在连系动词之后作表语的从句。引导表语从句的连接除与引导主语从句的连接词外,还有as if,as though。(4)宾语从句就是在复合句中作宾语的从句。引导这宾语从句的连接词与引导主语从句的连接词基本相同。(5)同位语从句就是在句中作同位语的从句。它通常有放在thought, idea, news, word(=news), plan, doubt, question, fact, suggestion, belief等抽象名词的后面,说明这些词的具体内容或含义。1二、定语从句与名词性从句的用法1、定语从句的用法
6、要想掌握定语从句,首先必须掌握定语从句中关系词的使用。定于从句中的关系词分为两大类即关系代词和关系副词。首先我们来看一下关系代词在定语从句中的应用,关系代词分为指人和指物两大种。指人的关系代词有以下几个即,who whose whom that but(高中语法中极少出现)等,它们引起的定语从句先行词须是人。who在定语从句中作主语。例如:Those who want to go sign their name please.(想去的人请在这里签名)。Whose在定语从句中作定语,后接名词。例如:How many students are there in your class whose h
7、omes are in the country?而whom在定语从句中作宾语。例如:He is a man (whom) you can safely depend on。.关系代词that在句中则既可以做主语也可以做宾语和表语。谈到关系代词but则比较特殊而且用起来也有所限制。它的特殊之处在于它通常用在There be句型的否定句中,它通常在句中作的是主语。例如:There is not one of us but wishes to help you. There are few of us but admire your determination.指物的关系代词有that which和
8、as它们引起的定语从句先行词必须是物。That which as在定语从句中作主语、宾语、表语但是that只能引导限制性定语从句,而which却既可以引导限制性也可以引导非限制性定语从句,as只能引导非限制性定语从句。例如:The parcel that (which) came just now was for Xsiao Yu。. The earth is round,as we all know.。就关系副词的用法我们可以作如下的总结,关系副词有when where why三个。关系副词when的使用必须具备两个条件,一、先行词必须是时间名词,二、必须在定语从句中作时间状语,否则我们就须
9、用关系代词that或which。例如:I will never forget the days when we woked together。I will never forget the days that (which) we spent together two years ago.如果先行词是地点名词,而且在句中作地点状语,我们就用关系副词where。否则我们就用关系代词that或which。例如:Lets think of a situation where this idiom can be used。This is the place that (which) he was bo
10、rn in。那么先行词是the reason,而且在定语从句中作原因状语,我们就用关系副词why。否则我们就用关系代词that或which。如:This is the reason why he rufused the help from us。This is the reason that (which)is very important.关系副词when和where有时可用“介词+which”代替,why可用for which代替。2、名词性从句的用法名词性从句包括主语、宾语、同位语以及表语从句。主语从句常用that, whether, who, whom, whose, what, wh
11、ich, when, where, how, why, whatever, whoever等引导。但有时为了避免头重脚轻,使句子平衡,常用it作形式主语,而将主语从句后置。(注:由连接代词what, whatever, whoever等引导的主语从句一般不能用形式主语。)引导表语从句的连接除与引导主语从句的连接词外,还有as if,as though。引导宾语从句的连接词与引导主语从句的连接词基本相同。掌握名词性从句和定语从句一样也首先需要掌握它的引导词。引导名词性从句的连接词分为三部分,即连接代词、连接副词、以及连词。连接代词有what whatever which whichever wh
12、o whoever whom whomever whose。连接副词有why when where how等。连词有that whether if。.连接代词中最主要要掌握what whatever和which whichever的用法,what whatever在句中作主语宾语表语定语,例如:LAN Zhou is no longer what it used to be而which whichever在句中通常作定语。例如:Please advise me which book I should read first.而其它的连接代词在句中的成分和定语从句的用法是一样的。关系副词why w
13、hen where how分别在句中作原因时间地点方式状语。连词that在句中不作成分,但除在宾语从句中外一般不能省掉。whether可以引导任何一种名词性从句但if却只能引导动词后的宾语从句。从以上的叙述中我们可以看到定语从句和名词性从句的主要区别就在what that how whether if这几个词中。定语从句中不会用到what how whether if这几个词。而that虽然在定语从句中作成分,但在名词性从句中却不作成分只起一连接作用。如果我们掌握了这两大类从句的特点那我们在具体的应用中就会避免常见的错误。三、定语从句与名词性从句的不同点和相似性1、定语从句在主句中做定语,简单
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