定语从句和名词性从句是历年来高考的重要考点。在平时的学习中,同学们总是对这些从句的引导词的选择和使用比较混乱,现就这个问题进行讲解和辨析。一、了解名词性从句与定语从句引导词的类别1.名词性从句的引导词分为三类,连词、连接代词和连接副词。连词只在主句和从句间起连接作用,而不在从句中担任句子成分,包括that,whether,if,as if等。 Attributive clause and nominal clause is the college entrance examination over the years an important test center. In usual learning, students always confused the choice and use of the guiding words of these clauses, and now they explain and distinguish this issue. First, to understand the nominal clause and the attributive clause leading category 1. Nominal clause guide words are divided into three categories, conjunctions, pronouns and connecting adverbs. Conjunctions only play a connecting role between the main clause and the subordinate clause, but do not act as the sentence component in the subordinate clause, including that, whether, if, as if.