From conversation analysis to casual conversation analysis;

Although it is a fact, some people hold the idea that casual conversation is a waste of time and disparage it.

In fact, casual conversation is a common phenomenon in our daily life and chat.

The study of casual conversation,as a study of natural conversation existing in the real language context,constitutes an important part of conversation analysis,but it has long been neglected by SLA researchers.

The study of casual conversation constitutes an important part of spoken interaction analysis.

Study on Cyber-language from the Perspective of Conversation Analysis;

Methodological Characteristics and Theoretical Foundationof the Conversation Analysis School;

It is intended to present an overall review of studies on code switching, focusing on sociolinguistics, syntax, psycholinguistics, pragmatics and conversational analysis.

The paper applies the conversational analysis theory to interpret the personalities of the characters in the aspects of turn distribution,length,contents,and positions of the interlocutors and change of the topics.

Then on the basis of the theory of cooperative principle and politeness principle in discourse analysis,the article conducts a detailed analysis on the main principles of teachers discourse during the process of their adjusting to the student-centered teaching model.

discourse analysis.