定语从句、同位语从句和状语从句有时候在形式上很相似,下面提供一些区分的方法。一、定语从句与同位语从句定语从句与前面的名词是修饰与被修饰的关系,而同位语从句是用来说明前面名词的内容的。that在定语从句中充当句子成分,可指物或人,而同位语从句中的that在从句中不充当任何句子成分,只起连接作用。试比较: Attributive clauses, appositive clauses and adverbial clauses are sometimes formally similar in form, here are some ways to distinguish. First, the attributive clause and the attributive clause Attributive clause and the preceding nouns are modified and modified relationship, and the appositive clause is used to illustrate the contents of the previous nouns. that acts as a sentence component in an attributive clause, may refer to an object or person, and that in a clause of the appositive clause that does not act as any sentence component in the clause only serves as a connecting function. Try to compare: