The article discusses the features of the development of the modern theory of parts of speech based on the analysis of the conversion problem, parts of speech in Chinese and English and the division of predicative constructions into "topic-comment", defines the main parameters of the theory of parts of speech, which can most satisfactorily describe the phenomena existing in the language.
本文在分析词类转换问题,汉英词类以及谓语结构划分为“话题优先语言”的基础上,探讨了现代词类理论发展的特点。词性理论,可以最令人满意地描述语言中存在的现象。