| Declaration | 第1-4页 |
| Acknowledgment | 第4-5页 |
| Abstract | 第5-8页 |
| Lists of figures and tables | 第8-11页 |
| Chapter 1 Introduction | 第11-20页 |
| ·General statement | 第11-12页 |
| ·Rationale for the present research | 第12-16页 |
| ·Motivations for the present research | 第12-14页 |
| ·Reasons to adopt a systemic-functional linguistic approach | 第14-15页 |
| ·Reasons to focus on interpersonal meaning | 第15-16页 |
| ·Ways to conduct the present research | 第16-18页 |
| ·Data collection | 第16-17页 |
| ·Data analysis | 第17-18页 |
| ·Research questions | 第18页 |
| ·Organization of the present paper | 第18-20页 |
| Chapter 2 Literature Review | 第20-30页 |
| ·Overview | 第20页 |
| ·Notion of interpersonal meaning | 第20-21页 |
| ·Different approaches to interpersonal meaning | 第21-24页 |
| ·Studies of interpersonal meaning from the systemic-functional linguistic approach to different discourses | 第24-28页 |
| ·Studies aboard | 第24-27页 |
| ·Studies at home | 第27-28页 |
| ·Studies of English sales promotion letters | 第28-29页 |
| ·Summary | 第29-30页 |
| Chapter 3 Theoretical Preliminaries | 第30-45页 |
| ·Overview | 第30页 |
| ·Halliday's conceptual framework | 第30-32页 |
| ·How present research fits in with the configuration of mood system | 第32-34页 |
| ·Theoretical preliminaries | 第34-45页 |
| ·Mood elements | 第34-36页 |
| ·Subject | 第35-36页 |
| ·Finite | 第36页 |
| ·Mood types and speech functions | 第36-40页 |
| ·Mood types | 第36-37页 |
| ·Speech functions | 第37-40页 |
| ·Modality | 第40-45页 |
| ·Two subcategories of modality | 第40-42页 |
| ·Three variables of modality | 第42-43页 |
| ·Evaluation of systemic functional approach towards modality | 第43-45页 |
| Chapter 4 Analysis of Subject Choices | 第45-57页 |
| ·Overview | 第45页 |
| ·Tenor of Sales promotion letters | 第45-47页 |
| ·Subject choices | 第47-55页 |
| ·First-person form | 第49-50页 |
| ·Second-person form | 第50-52页 |
| ·Third-person form | 第52-54页 |
| ·Referential switch | 第54-55页 |
| ·Summary | 第55-57页 |
| Chapter 5 Mood Analysis of Sales Promotion Letters | 第57-69页 |
| ·Overview | 第57页 |
| ·Speech functions | 第57-67页 |
| ·Questions congruently realized by interrogatives | 第59-62页 |
| ·Commands congruently realized by imperatives | 第62-66页 |
| ·Metaphor of mood | 第66-67页 |
| ·Summary | 第67-69页 |
| Chapter 6 Modality Analysis | 第69-83页 |
| ·Overview | 第69-70页 |
| ·Sample analysis | 第70-80页 |
| ·Modal Adjuncts and metaphor of modality | 第70-72页 |
| ·Modal operators | 第72-80页 |
| ·Low value modal operators can | 第73-76页 |
| ·Median value modal operator will | 第76-78页 |
| ·High value modal operators must and have to | 第78-80页 |
| ·Distribution of modal operators in the corpus | 第80-82页 |
| ·Summary | 第82-83页 |
| Chapter 7 Conclusion | 第83-87页 |
| ·Overview | 第83页 |
| ·Major findings of the research | 第83-86页 |
| ·Implications | 第86页 |
| ·Limitations of the present research | 第86-87页 |
| Bibliography | 第87-91页 |
| Appendix | 第91-94页 |
