新闻语篇的主位推进模式及相关羡余现象——以消息导语为例

Thematic Progression Pattern of News Discourse and Related Redundancy Phenomena

语篇的主位结构是对句子进行实义切分所得到的一种组合形式。从功能角度考察,句子由主位和述位两部分组成。实际语篇中两个或两个以上的句子,它们各自的主位述位之间会发生种种联系和变化,通过主位之间的推进,形成不同的固定模式,这就是"主位推进模式"。新闻语篇的消息导语具有特定的主位推进模式,其复现的成分具有羡余性质,它们的出现频率和方式受到了传播媒介和认知规律的制约。

The thematic structure of discourse is a kind of combination form based on the notional segmentation of a sentence. From a functional perspective, a sentence is consists of two parts, theme and rheme. In actual discourse two or more than two sentences, their respective theme and rheme usually happen various contacts and changes, through the thematic progression, forming different fixed modes, namely,＂thematic progression pattern＂. The news leads of news discourse has specific thematic progression pattern, shows redundancy phenomena. Their frequency of occurrence and ways is restricted by the media and the cognitive law.