内容正文:
2021届巴蜀中学新高考英语
语法基础复习讲义[15]
定语从句解读
(总目录见文末)
什么是定语从句?
定语从句就是用作定语的从句,属于形容词性从句,主要用于修饰名词以及名词词组等。定语从句分为限制性定语从句和非限制性定语从句。前者往往紧跟在修饰对象(即先行词)之后,后者则常与修饰对象(即先行词)被逗号或部分语句隔开,出现在更靠后的位置上。理解定语从句时,不妨把整个从句看作一个形容词,追随并修饰着名词或名词词组等。
定语从句的引导词常被分为关系代词和关系副词两种。关系代词主要包括:who, whom, which, that, whose等,它们在从句中往往都起到了“代替”修饰对象(即先行词)的作用。关系副词主要包括:when, where, why等,一般出现在表示时间、地点、原因等的修饰对象(即先行词)之后。关系副词在从句中常被用作状语,用于补充修饰从句的谓语或是整个从句。
由于定语从句的引导词与宾语从句、表语从句的引导词十分相似,因此不少学习者会出现混淆难辨的问题。然而,其实只要认清从句的本质,理解搭配原理,问题自然迎刃而解。具体内容如下表所示:
在实际应用中,一般不必刻意区分宾语从句和表语从句,因为我们的主要目的是弄清楚眼前的从句到底在句中发挥了什么作用,从而有效地辅助我们准确地理解句意。因此,我们必须具备的能力是辨别形容词性从句和名词性从句,即定语从句和宾语/表语从句。具体示例如下:(加粗字体为先行词,下划线部分是从句,红色字体是谓语动词)
定语从句:This is the book that she recommended to me.(注:从句前的the book是名词词组)
宾语从句:She recommended that I should read this book.(注:从句前的recommended是及物动词)
表语从句:This book is what she recommended to me.(注:从句前的is是连系动词)
更多定语从句的例句如下:(加粗字体为先行词,下划线部分是定语从句,斜体字是引导词,红色字体是谓语动词)
Ivy met a lady who dressed entirely in black.
Mr. Johnson is our VIP, to whom our company gave our latest product for free.
Where is the basketball which we usually play after school?
Peter called you last night, which I forgot to tell you.(此处的引导词which代替的是逗号前主句的全部内容)
We need to buy some new furniture that will make our apartment look better.
In that cartoon, he likes the character whose hair is pink.
I remembered those days when the six of us lived together.
Cedric loves Oxford where he spent two years alone.
Do you know the reason why they dropped out of school?
什么是非限制性定语从句?
非限制性定语从句可以简单理解为就是没有紧跟在修饰对象(即先行词)之后的定语从句,与限制性定语从句刚好相反。也就是说,先行词和非限制性定语从句之间常被逗号或是其它语句部分隔开,而没有紧密连接在一起。
需要注意的是:1)引导词that(关系代词)和why(关系副词)一般不用于引导非限制性定语从句。2)引导词which(关系代词)在引导非限制性定语从句时,不仅可以指代主句的某部分内容,还可以用来指代整个主句。
具体示例如下:(下划线部分是非限制性定语从句;加粗字体是该定语从句的修饰对象,也就是先行词;红色字体是谓语动词。)
I am looking for a watch, which Jason bought me.
The puppy peed in his arms, which made us laugh.
Penny, who used to be a waitress, becomes a successful saleswoman.
Many people witnessed the accident, some of whom called