精选优质文档-倾情为你奉上高中英语定语从句详解英语谚语欣赏1. He who knows nothing but pretends to know everything is indeed a good-for nothing.不懂装懂,一事无成. 2. Its the first step that costs.千里之行,始于足下3. He that makes himself a sheep shall be eaten by the wolf. 甘当小绵羊,迟早要喂狼. 概念:(1) 定语从句:在主从复合句中用作定语的从句叫定语从句。定语从句一般紧接在先行词(antecedent)后面。(2) 先行词:被定语从句修饰的成份。先行词可以为一个词,短语,或整个主句。(3) 引导定语从句的词叫关系词,分为关系代词和关系副词。关系词的作用:1) 引导定语从句,连接主句和从句,相当于一个连词;2) 必在从句中作某个句子成份(可以做主语,宾语,表语,定语,状语)常用的关系代词: that、 which、 who、who