语法化是语用法约定俗成为语法规则的过程。本文着重说明语法化既是历时虚化的结果 ,同时又受语言各要素共时竞争的影响 ,这就是语法化的泛时性。只有从泛时角度分析语言的发展变化 ,才可能全面揭示语法化的语用本质 Grammaticalization is a process in which the convention of pragmatics becomes a grammatical rule. This article shows that grammaticalization is not only the result of diachronic, but also influenced by the simultaneous competition of various elements of the language. This is the generalization of grammaticalization. Only when we analyze the development and change of language from the pan-time perspective can we reveal the pragmatic essence of grammaticalization