| ACKNOWLEDGEMENTS | 第1-6页 |
| ABSTRACT | 第6-8页 |
| 摘要 | 第8-13页 |
| Chapter One Introduction | 第13-17页 |
| ·A Brief Introduction to the Present Study | 第13-14页 |
| ·Languages in Hong Kong | 第14-15页 |
| ·Organization of the Present Study | 第15-17页 |
| Chapter Two Literature Review | 第17-24页 |
| ·What Are Code and Code-switching? | 第17-18页 |
| ·Code-switching, Code-mixing and Borrowing | 第18-19页 |
| ·Researches on Code-switching Abroad | 第19-22页 |
| ·Researches on Code-switching in China | 第22-24页 |
| Chapter Three Theoretical Frameworks | 第24-29页 |
| ·Myers-Scotton’s Matrix Language Frame Model | 第24-26页 |
| ·Some Scholars’Studies on Code-switching Functions | 第26-27页 |
| ·Myers-Scotton and Bolonyai’s Revised Markedness Model | 第27-29页 |
| Chapter Four Data Source and Collecting Methodology | 第29-32页 |
| ·Data Source | 第29-30页 |
| ·Collecting Methodology | 第30-32页 |
| Chapter Five Mixed Constructions and Morphosyntactic Features of Cantonese-English Code-switching in Hong Kong Forums | 第32-53页 |
| ·Number and Frequency of Four Kinds of Code-switching | 第32-34页 |
| ·Mixed Constructions and Morphosyntactic Features of Intra-sententia Switching | 第34-46页 |
| ·Morpheme Switching | 第34-35页 |
| ·Word and Word Phrase Switching | 第35-46页 |
| ·Switching Between Subordinating Conjunction and Adjunct Clause | 第46页 |
| ·Mixed Constructions and Morphosyntactic Features of Inter-sententia Switching | 第46-47页 |
| ·Mixed Constructions and Morphosyntactic Features of Tag-switching | 第47-48页 |
| ·Mixed Constructions and Morphosyntactic Features of Inter-textual Switchi | 第48-49页 |
| ·Some Other Unique Features of Cantonese-English Code-switching | 第49-51页 |
| ·The Change of Word Category | 第49页 |
| ·The Habitual Use of Specific Words | 第49-50页 |
| ·Cantonese Elements Inserted in English Sentence | 第50-51页 |
| ·Summary | 第51-53页 |
| Chapter Six To Use Cantonese-English Code-switching Strategies to Rationality in Hong Kong Forums | 第53-66页 |
| ·To Use Code-switching Consciously to Achieve Rationality | 第54-62页 |
| ·Linguistic Strategies to Achieve Rationality | 第54-56页 |
| ·Economic Principle Strategy | 第54-55页 |
| ·Protruding Strategy | 第55-56页 |
| ·Socio-psychological Strategies to Achieve Rationality | 第56-62页 |
| ·Affective Strategy | 第56页 |
| ·Agreement Strategy | 第56-59页 |
| ·Gap-filling Strategy | 第59-60页 |
| ·Restatement Strategy | 第60页 |
| ·Tone Softening Strategy | 第60-61页 |
| ·Prompting Strategy | 第61-62页 |
| ·To Use Code-switching Unconsciously as a Habitual Use | 第62-65页 |
| ·Gratitude Expressing | 第62-64页 |
| ·Some Fixed Expressing Patterns | 第64-65页 |
| ·Summary | 第65-66页 |
| Chapter Seven Conclusion | 第66-70页 |
| ·Major Findings of the Present Study | 第66-67页 |
| ·Meanings and Implications of the Present Study | 第67-68页 |
| ·Limitations of the Present Study and Suggestions for the Further Study | 第68-70页 |
| Bibliography | 第70-73页 |
| 附录：攻读硕士学位期间发表的学术论文目录 | 第73页 |
