“正、在、正在”是一组语义极其相近的时间副词。它们的核心语义都表示事件的进行或状态的存续，但着重点不同“。正”着重于事件发生的时间位置“，在”强调事件所处的进行、存续之状态，而“正在”则既表示事件发生的时位，又强调事件进行时所呈现的状态。在此基础上，结合事件语义学、范畴语法以及谓词逻辑等理论，对其语义进行形式化描述，更加验证了语义特征分析的准确性以及时态分析的可靠性，也向实现中文信息处理又迈进一步。%“正、在、正在”is a group of time adverbs, which have the very similar semantics. Their shared semantic is the progressing of the event or state, but they have the different emphasis points.“正”fo⁃cuses on the time position of the event;“在”emphasizes the on-going state of events;“正在”places the em⁃phasis on both the time position and the on-going state of the events. On this basis, we give the formal analysis of these semantic, which fully proves the accuracy of semantic characteristics and the reliability of tense analy⁃sis. All this will help the study of Chinese information processing.
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