In this paper,we give a detailed introduction to positionally sensitive grammar and epistemic theory,and we also take ranhou(ne),which builds an independent turn,as a case study to illustrate the use of the two methodologies.It is revealed that when ranhou(ne)forms an independent turn,it fulfills four interactional functions:1)projecting topic continuation;2)calibrating interactional trajectory;3)marking information boundaries;4)eliciting more information.The first two applies at the level of discourse organization,and the latter two are used at the level of information organization.Each of th...
