一 、定 义 :在复合句中修饰某一 名词或代词的从句叫做定语从句。被修饰的 词叫先行词,引导从句的词叫关系词,关系词 分为关系代词和关系副词两种。 1.先行词:在定语从句中,被修饰的词必须是名词或代词,其他词性均不能充当先行词。另外:)先行词可以指人也可以指事或物;2)先 1? I. Definition: A clause that modifies a noun or pronoun in a compound sentence is called an attributive clause. The modified words are called antecedent words, the words of the guide clause are called relation words, and the relation words are divided into relational pronouns and relational adverbs. 1. Antecedent: In the attributive clause, the modified word must be a noun or a pronoun. No other part of the word can act as an antecedent. In addition:) The antecedent can refer to people and can also refer to things or things; 2) first 1?