| Acknowledgements | 第1-7页 |
| Abstract | 第7-8页 |
| 摘要 | 第8-11页 |
| Chapter 1 Introduction | 第11-15页 |
| ·Research background | 第11-12页 |
| ·Research objectives | 第12页 |
| ·Research significance | 第12-13页 |
| ·Research methods | 第13页 |
| ·Organization of the thesis | 第13-15页 |
| Chapter 2 Literature Review | 第15-28页 |
| ·Definitions of English expletive | 第15-16页 |
| ·Classifications of English expletive | 第16-20页 |
| ·The characteristics of English expletive | 第20-21页 |
| ·The existing studies of English expletive | 第21-26页 |
| ·From the perspective of sociolinguistics | 第21-22页 |
| ·From the perspective of psycholinguistics | 第22-23页 |
| ·From the perspective of ontology | 第23-24页 |
| ·From the perspective of language teaching and learning | 第24-25页 |
| ·From the perspective of translation | 第25页 |
| ·From the perspective of pragmatics | 第25-26页 |
| ·Summary | 第26-28页 |
| Chapter 3 Theoretical Framework | 第28-40页 |
| ·Verschueren's dynamic adaptation theory | 第28-32页 |
| ·Making choice | 第28-29页 |
| ·Three features of language | 第29-30页 |
| ·Four aspects of pragmatic investigation | 第30-32页 |
| ·Dynamic adaptation of English expletive | 第32-36页 |
| ·Dynamic time adaptation | 第33页 |
| ·Dynamic context adaptation | 第33-35页 |
| ·Dynamic structure adaptation | 第35-36页 |
| ·Salient adaptation of English expletive | 第36-38页 |
| ·English expletive as a linguistic choice | 第38-40页 |
| Chapter 4 Analysis of English Expletive Based on Adaptation Theory | 第40-62页 |
| ·Contextual adaptation of English expletive | 第40-57页 |
| ·English expletive as an adaptation to mental world | 第41-53页 |
| ·English expletive as emotion-releasing strategy | 第42-45页 |
| ·English expletive as feeling-disguising strategy | 第45-47页 |
| ·English expletive as identity-establishing strategy | 第47-49页 |
| ·English expletive as emotion-regulating strategy | 第49-51页 |
| ·English expletive as humor-creating or irony-creating strategy | 第51-53页 |
| ·English expletive as an adaptation to social world | 第53-56页 |
| ·English expletive as an adaptation to physical world | 第56-57页 |
| ·Structural adaptation of English expletive | 第57-61页 |
| ·Style adaptation | 第57-58页 |
| ·Utterance-building ingredients adaptation | 第58-61页 |
| ·Summary | 第61-62页 |
| Chapter 5 Conclusion | 第62-65页 |
| ·Summary of the present study | 第62-64页 |
| ·Limitation of the present study | 第64页 |
| ·Suggestions for further study | 第64-65页 |
| Bibliography | 第65-70页 |
| Appendix 1 | 第70页 |