文摘
英文文摘
论文说明：List of Figures、Transcription Notations and Abbreviations
声明
Chapter One Introduction
1.1 Background
1.2 Rationale of the present study
1.3 Objectives of the present study
1.4 Notes on methodology and data collection
1.5 Outline of the present study
Chapter Two Literature Review
2.1 Terminological issue
2.2 Approaches to the study of codeswitching
2.2.1 The grammatical approach
2.2.2 The sociolinguistic approach
2.2.3 The CA approach
2.2.4 The pragmatic approach
2.3 Codeswitching in service talk
Chapter Three Theoretical Framework of the Present Study
3.1 Conversation Analysis
3.1.1 Linguistic forms of Mandarin／Cantonese codeswitching
3.1.2 Functions of Mandarin／Cantonese codeswitching
3.2 The Politeness Theory and Face Threatening Acts
3.2.1 FTAs in service talk
3.2.2 Codeswitching as a politeness strategy to reduce FTAs
Chapter Four Linguistic Patterns of Mandarin／Cantonese Codeswitching in Service Talk in Guangzhou
4.1 Mandarin／Cantonese codeswitching in conventional service talk
4.1.1 Inserted codeswitching and alternated codeswitching
4.1.2 General patterns of codeswitching in conventional service talk
4.1.3 Codeswitching in the opening sequences of service talk
4.1.4 Codeswitching in the local sequences of service talk
4.1.5 Codeswitching in the closing sequences of service talk
4.2 Mandarin／Cantonese codeswitching in unconventional service talk
Chapter Five Functions of Mandarin／Cantonese Codeswitching in Service Talk in Guangzhou
5.1 Functions of Mandarin／Cantonese codeswitching in the opening sequences
5.1.1 Accelerator of transfer
5.1.2 Repair
5.2 Functions of Mandarin／Cantonese codeswitching in the local sequences
5.2.1 Next-speaker selection
5.2.2 Topic initiator
5.2.3 Emphasis
5.2.4 Asides
5.3 Functions of Mandarin／Cantonese codeswitching in the closing sequences
5.3.1 Highlighting
5.3.2Debilitation
Chapter Six Politeness Constraints on Mandarin／Cantonese Codeswitching in Service Talk in Guangzhou
6.1 FTAs in the turn-taking sequences of service talk
6.1.1 FTAs in the opening sequences
6.1.2 FTAs in the local sequences
6.1.3 FTAs in the closing sequences
6.2 Codeswitching as a polite means of avoiding FTAs in service talk
6.2.1 Codeswitching as a means of FTA reduction in the opening sequences
6.2.2 Codeswitching as a means of FTA reduction in the local sequences
6.2.3 Codeswitching as a means of FTA reduction in the closing sequences
Chapter Seven Conclusion
7.1 Major findings
7.2 Implications
7.3 Limitations and suggestions for future studies
References
Appendix：Some Data Samples
Published Paper during Degree Study
Acknowledgements
