| Acknowledgements | 第4-5页 |
| Abstract | 第5-6页 |
| 摘要 | 第7-12页 |
| Chapter One Introduction | 第12-18页 |
| 1.1 Research background | 第12-13页 |
| 1.2 Significance and objective of the present study | 第13-16页 |
| 1.3 Research methodology | 第16-17页 |
| 1.4 Organization of the present thesis | 第17-18页 |
| Chapter Two Literature Review | 第18-27页 |
| 2.1 Different definitions of discourse markers | 第18-20页 |
| 2.2 Review of theoretical studies on discourse markers at home and abroad | 第20-24页 |
| 2.2.1 Review of relevant studies abroad | 第20-23页 |
| 2.2.2 Review of relevant studies at home | 第23-24页 |
| 2.3 Previous studies of discourse marker and | 第24-26页 |
| 2.4 Summary | 第26-27页 |
| Chapter Three Theoretical framework | 第27-34页 |
| 3.1 Introduction of Relevance Theory | 第27-28页 |
| 3.2 Principles of Relevance Theory | 第28-30页 |
| 3.3 Ostensive-inferential communication process | 第30-31页 |
| 3.4 Contextual assumptions | 第31-34页 |
| Chapter Four A Functional Study of Discourse Marker and in Modern Family | 第34-48页 |
| 4.1 A brief introduction to American TV series of Modern Family | 第34-35页 |
| 4.2 Identification of discourse marker and | 第35页 |
| 4.3 Pragmatic functions of discourse marker and | 第35-47页 |
| 4.3.1 And as a continuation marker | 第38-39页 |
| 4.3.2 And as a coordinator in text construction | 第39-40页 |
| 4.3.3 And as delay marker | 第40-41页 |
| 4.3.4 And as a turn-taking marker | 第41-44页 |
| 4.3.5 And as a self-correction marker | 第44-45页 |
| 4.3.6 And as an attitude marker | 第45-47页 |
| 4.4 Summary | 第47-48页 |
| Chapter Five Conclusion | 第48-52页 |
| 5.1 Major findings of the present study | 第48-49页 |
| 5.2 Implications of the present study | 第49-50页 |
| 5.3 Limitations and suggestions for further studies | 第50-52页 |
| References | 第52-56页 |
| Publications | 第56页 |
