插入语“要说”是一个口语性比较强的语言单位,本文通过分析发现,“要说”在发展中,其主观性色彩逐渐弱化,突出表现在它经常出现的反预期语境、假设型语境和引入型语境三种会话环境中。“要说”的语用功能主要体现在人际互动和篇章组织功能两方面。 Insert language “to say ” is a relatively speaking colloquial unit. Through the analysis, we find that in the process of development, the subjectivity of color is gradually weakened, which is manifested in its frequent anti-predicative language Environment, hypothetical context and the introduction of context three kinds of conversation environment. “To say ” pragmatic function is mainly reflected in the two aspects of human interaction and discourse organization function.