“肆”是西周时期的一个常见的表果连词,其语法化的历程大致是这样的:先由表“陈设”义的动词演变为表“尽力”义的动词,再演变为表高程度义的程度副词,再演变为表高度强调义的语气副词,再演变为表轻微强调义的语气副词,最后演变为表果连词。表果连词“肆”不见于战国文献,因为它是一个具有方言色彩的语法成分。 “Stanford ” is a common conjunctions of the Western Zhou Dynasty, the process of its grammaticalization is roughly as follows: first by the table “Chen ” meaning of the verbs into table “best ” verb, and then Evolved into a degree adverb of the degree of the table, evolved into a tone adverb of the highly significant meaning of the table, and then evolved into a modal adverb of mild emphasis of the form, finally evolving into a conjunctions of the form. The conjunctions “Stanford ” are not found in the Warring States literature because it is a dialectal grammatical component.