关于自然语言否定的本质,存在各种不同的看法:否定表示“缺乏,不存在”;否定可以表达各种语用意义;否定是思想和表达思想的句子的要素等等。本文对不同时期的否定观进行梳理,并根据系词理论提出,否定作为人的一种思维类型,体现人对思想(观念)的操作,在语句中的功能相当于系词,即联结主位和述位.表明说话人的断定。 There are different opinions about the nature of the negation of natural language: denial means “lack of existence”; denial can express various meanings of pragmatics; denial is the essence of thought and expression of thought sentences, and so on. This dissertation sorts out the negative view in different periods and puts forward according to the theory of copula. Negative as a type of thinking of human beings, which embodies human’s operation of thought (concept). The function in the sentence is equivalent to the cohesive, And quotations that indicate the speaker’s assertion.