| Abstract | 第1-7页 |
| 摘要 | 第7-10页 |
| Chapter 1 Introduction | 第10-16页 |
| ·Research background | 第10-13页 |
| ·Objectives and significance of this research | 第13-14页 |
| ·Data collection and methodology | 第14-15页 |
| ·Structure of the thesis | 第15-16页 |
| Chapter 2 Literature Review on American PIAS | 第16-26页 |
| ·Introduction of public speaking | 第16-19页 |
| ·Introduction of American PIAS | 第19-23页 |
| ·Previous studies on PIAS | 第23-26页 |
| Chapter 3 Theoretical Framework | 第26-37页 |
| ·Studies on speech act theory abroad | 第26-34页 |
| ·Studies on speech act theory at home | 第34-37页 |
| Chapter 4 Realization of Illocutionary Forces in PIAS | 第37-47页 |
| ·The realization of illocutionary forces through lexical expressions | 第37-43页 |
| ·The realization of illocutionary forces through syntactic devices | 第43-45页 |
| ·The realization of illocutionary forces through figures of speech | 第45-47页 |
| Chapter 5 Classification and Pragmatic Functions of Illocutionary Forces | 第47-77页 |
| ·Classifications of Illocutionary Forces | 第47-73页 |
| ·Expressing a sense of intimacy, gratitude and compliment | 第47-50页 |
| ·Winning trust, respect and God’s blessing | 第50-52页 |
| ·Setting out promises and imposing obligations | 第52-56页 |
| ·Clarifying, highlighting and enlightening | 第56-61页 |
| ·Appealing, motivating and persuading | 第61-72页 |
| ·Summary | 第72-73页 |
| ·Pragmatic functions of illocutionary forces | 第73-77页 |
| ·The representative function | 第73-74页 |
| ·The directive function | 第74页 |
| ·The commissive function | 第74-75页 |
| ·The expressive function | 第75页 |
| ·The phatic function | 第75-76页 |
| ·Summary | 第76-77页 |
| Chapter 6 Conclusion | 第77-80页 |
| ·Major findings of the study | 第77-78页 |
| ·Limitations of the study and suggestions for further research | 第78-80页 |
| Bibliography | 第80-86页 |
| Acknowledgements | 第86-87页 |
| Academic Achievements | 第87页 |
