高中英语定语从句讲解

高中英语定语从句讲解 （一）定语从句定义 1、定语从句：在复合句中，修饰某个名词或代词的句子（做这个名词或代词的定语）叫定语从句，定语从句一般放在被修饰的名词或代词后面。 2、先行词：被修饰的名词或代词叫做定语从句的先行词。 3、关系词：用来引导定语从句的词叫做关系词。 关系代词的种类： 关系代词：that, which, who, whom, whose, as 关系副词：when, where, why 4、定语从句结构：先行词+关系词+定语从句。 a、There she saw a wall of water that was quickly advancing towards her. b、 In Japan, someone who sees another person making the gesture will think it means money. c、Visitors can go on exciting rides where they can feel what it is like to do the things they have seen their heroes do in the movie. d、Oprah Winfrey is a black woman whose rise to fame is an inspiring story. （二）定语从句分类 限定性定语从句：从句对先行词进行必要的描述或说明，对先行词起修饰限定作用，从句与先行词紧密相连，缺少它则句义显得不完整，一般不用逗号隔开。 非限定性定语从句：对先行词进行补充说明，解释，它与先行词关系松散，用逗号隔开。 1、The man who gave me this book is Tom .(限定性) 2、Tom,who is reading a book ,is my classmate (非限定性) （三）关系代词 1、who指人，在定语从句中作主语。 e.g. The man who is sitting under the tree is a German . 2、Whom指人，在句中做宾语，可省略，但在做介词的宾语是只能用whom,不能用who。关系代词前有介词时不能省略。 e.g. I know the girl (whom) the tea