本文从语法分析的角度对表“将来”的“将”、“要”的语义功能进行考察,通过大量语料对比分析“将”、“要”在表将来时制时的语义功能异同。“将”、“要”有不同的语义功能,“将”常常不带有主观意志或带有的主观意志比较弱,“要”则一般都带有主观意志,因此,二者对主语的要求也有所不同。 This paper examines the semantic functions of the table “future ” “will ” and “to ” from the perspective of syntactic analysis. By comparing a large number of corpora, we will analyze and compare “” Similarities and Differences of Semantic Functions in Time System. “To ”, “To ” have different semantic functions, “Will ” often do not have the subjective will or with the weak will, “To ” usually have subjective will, Therefore, the two requirements of the subject are also different.