| Classical and vernacular use two different grammatical systems,but their relationship is not just distinct.Especially in the late Tang dynasty,the inheritance relationship between classical Chinese and vernacular was very obvious,and differences also existed.We selected 12 kinds of Dun Huang Bian Wen and You Yang Za Zu for comparative,and concluded the commonality and difference of terminal verbs in egressive aspect.Demonstrate the development path of terminal verbs through diachronic research.Explore why"le"became the dominant word,and why the egressive aspect was formed.This paper mainly includes six parts:The first part is the introduction.Overview of the research object,research status,research methods,research significance and value,the introduction of corpus,etc.,to lay the foundation for the development of the main part of the paper.The second part describes the terminal verbs’s syntactic formats in 2 kinds of Dun Huang Bian Wen and You Yang Za Zu.They can all appear in"V+(O)+V_t".And,"V+le+O"appears in the vernacular.The third part describes the terminal verbs’s diachronic description.And three criteria are given to judge the grammatical nature of the verbs in the two books.The first criterion is the use of adverbs;The second criterion is tthe situation types of verbs;The second criterion is the parallel relationship with"NP+V_t".The fourth part compares them from three aspects.The first aspect compares the dominant words of the terminal verbs in the two books.The second aspect compares the changes in syntactic format.Adverbs in the vernacular appear less often in"V+(O)+V_t",and new syntactic formats appear in the vernacular.The third aspect is contrasted from situation type of verbs,and the situation types of verbs in the vernacular are richer.The fifth part is divided into two areas.The first aspect analyzes the reasons for the dominant word"le":The peer evolution between terminal verbs promote the grammaticalization of"le"and the integrality of the"le"’s grammaticalization approach.The second aspect analyzes the reasons for the emergence of egressive aspect:Chinese has"NP+V_t"structure in classical Chinese,and the referentialization tendency of verbs;The semantic basis of terminal verbs which express completion;Languages contact promotes the production of Chinese egressive aspect.The sixth part is the conclusion.This paper summarizes the whole paper,points out the implications for the research of Chinese diachronic evolution,and points out the shortcomings of this study. |