“刚”是现代汉语时间副词中使用频率很高的一个,它最初是形容词,到了唐代,“刚”分化出表时间意义的副词用法,这个用法在以后的演变过程中,继续保持副词的语法功能。本文针对“刚”的副词用法,把它的历时演变作一系统的描写,并结合描写对它语法化的诱发机制作解释。 “Gang ” is one of the most frequently used adverbs of time in modern Chinese. It was originally an adjective. In the Tang Dynasty, “just ” was used to differentiate adverb usage in the sense of time. In the later evolution, Continue to maintain the grammatical function of adverbs. In the light of the adverb usage of “Gang ”, this article makes a systematic description of its diachronic evolution and explains it by using the description mechanism of its grammaticalization.