Analysis of Functions of Discourse Markers in Obama’s Political Speeches
|School||Sichuan Normal University|
|Course||English Language and Literature|
|Keywords||Discourse markers Versatility Discourse Discourse Local coherence Overall coherence Political speech|
Deborah Schiffrin departure from the discourse , first provide an operational definition of discourse markers , discourse marker is dependent on the preface after language , divide the coordinates of the speaker units . Since 1987 a book of her discourse marker language academic discourse marker research into \However, do not form a unified approach in terms of discourse marker , its main differences are mainly reflected in the name , features and functions . Discourse marker research process , research scholars from the discourse coherence level syntactic function and semantic meaning of the language from the mark syntax angle discourse ; discourse coherence framework to study the conceptual meaning and coherence aspects of strengthening discourse role. From this point of discourse markers scholars have reached a certain consensus build Discourse local coherence and global coherence function . Therefore, Schiffrin discourse coherent framework for to explore discourse markers Discourse local coherence relations and overall coherence relations . In this paper, the three major functions of the discourse marker as the theoretical framework , analyzed from all aspects of the definitions, characteristics , and research methods . Corpus selected from the political speech of U.S. President Barack Obama 's speech discourse marker analysis , from research in speech discourse the discourse coherence function and the Obama discourse marker characteristics .