Code-switching Between Spoken Common Language And Shanghai Dialect

Code-switching is an active phenomenon in sociolinguistics. A large amount of domestic and overseas scholars have done researches for code-switching case study since 1970s. As an international metropolis with large population, Shanghai has frequent code-switching phenomena between Common language and Shanghai dialect in speech communication. On the basis of interviews and corpus, this thesis records language attitudes and code-switching cases in Shanghai, and makes in-depth study of code-switching phenomenon.Taking teachers and officials in Pudong district as the main research group, the research records the basic information and interview contents of all the interviewees. Taking dialogues in public and interviews on radio and TV as the main corpus, the research records code-switching corpus, sorts out different types, and analyses the causes, social psychology factors and development trend of code-switching. Based on the Markedness theory by Scotton (1988), this research divides corpus into unmarked code-switching and marked code-switching. Besides, this thesis also refers to the Diglossia theory by Ferguson (1959), the Speech accommodation theory by Giles (1979), and the Domain Theory by Fishman (1968), etc. This thesis consists of five parts. The first chapter introduces the definition and sociolinguistics research findings about code-switching. The second chapter discusses people's language attitudes towards Common language and Shanghai dialect on the basis of researches and interviews in Pudong district. The third chapter analyses the causes and social psychology factors of code-switching based on the classification of oral corpus. The fourth chapter discusses the influence of communication occasions, objects and topics on code-switching from the view of Domain theory. The fifth chapter concludes the trends of Common language, Shanghai dialect and code-switching phenomenon in Shanghai.