Sentence Adverbial Study

This paper research all type's adverbialexhaustively. first of all, the paper determine the adverbial normal position that it is after the subject .The adverbial before subject is the result that the adverbial be put in preposition. the adverbial have been reclassified on the basis of the previous studies to determine which kind adverbial can be put inpreposition and which cannot be. Studied in the predecessor in the foundation,this paper increased temporal adverbial,association adverbial,semantic point to the object and subject adverbial, tone Adverbial and so on .It has analyzed the adverbial preposition reasons.from three aspects——the single sentence's organization,understanding and expression the semantic and the chapter organization . It has analyzed why the adverbial cannot be preposition , the reasons are semantic expression, adverbial and predicate relations, adverbial relative independence in different locations, the independence of voice, as well as by other factors, such as adverbial constraints of certain aspects of the adverbial front . Also inspected formal change of some adverbials after being put infront of the subject, and from the perspective of rhythm and conition, the changes were explained.