| Abstract | 第1-8页 |
| 摘要 | 第8-12页 |
| Chapter One Introduction | 第12-16页 |
| ·Definition of Public Service Advertisement | 第12-13页 |
| ·Classification of the Public Service Advertisement | 第13页 |
| ·The Significance of the Present Research | 第13-16页 |
| Chapter Two Literature Review | 第16-22页 |
| ·Previous Studies on Various Discourses from the Linguistic Perspective | 第16-18页 |
| ·Studies Abroad | 第16-17页 |
| ·Studies in China | 第17-18页 |
| ·Public Service Advertisements from the Perspective of Function Grammar | 第18-20页 |
| ·Studies Abroad | 第18-19页 |
| ·Studies in China | 第19-20页 |
| ·Summary | 第20-22页 |
| Chapter Three Theoretical Framework | 第22-29页 |
| ·Systemic-Functional Grammar and Its Application to Discourse Analysis | 第22-23页 |
| ·The Analysis of Interpersonal Function in Public Service Advertisement | 第23-26页 |
| ·Realization of Interpersonal Function | 第26-29页 |
| Chapter Four Research Design | 第29-59页 |
| ·Model Adopted in the Present Research | 第29-31页 |
| ·Ju Yumei and Yang Xueyan’s Models of Studying News | 第29-30页 |
| ·The Present Model of Studying Public Service Advertisement | 第30-31页 |
| ·Research Questions | 第31页 |
| ·Data Collection | 第31-32页 |
| ·Research Procedure | 第32-57页 |
| ·A Contrastive Analysis in Mood | 第33-41页 |
| ·Realizations of Mood | 第34-39页 |
| ·Explanation and Discussion | 第39-41页 |
| ·A Contrastive Analysis in Modality | 第41-49页 |
| ·A Contrastive Analysis of Modal Operators in Chinese and American Public Service Advertisements | 第43-47页 |
| ·Explanation and Discussion | 第47-49页 |
| ·A Contrastive Analysis in Person System | 第49-57页 |
| ·Realizations of Person System | 第51-55页 |
| ·Explanation and Discussion | 第55-57页 |
| ·Answers to the Research Questions | 第57-59页 |
| Chapter Five Conclusion | 第59-65页 |
| ·Explanations for the Findings | 第60-63页 |
| ·Explanations for the Similarities | 第60-61页 |
| ·Explanations for the Differences | 第61-63页 |
| ·Limitations | 第63-64页 |
| ·Implications of the Present Study | 第64-65页 |
| References | 第65-69页 |
| Appendix I | 第69-71页 |
| Appendix II | 第71-73页 |
| Acknowledgements | 第73页 |
