| 内容提要 | 第1-5页 |
| Synopsis | 第5-6页 |
| 中文摘要 | 第6-9页 |
| Abstract | 第9-16页 |
| Chapter One Introduction | 第16-18页 |
| ·Research Background | 第16-17页 |
| ·Significance of the Research | 第17页 |
| ·Organization of the Thesis | 第17-18页 |
| Chapter Two Literature Review | 第18-40页 |
| ·Mood and Modality | 第18-29页 |
| ·Mood | 第18-20页 |
| ·Modality | 第20-29页 |
| ·Types of Modality | 第23-27页 |
| ·Realizations of Modality | 第27-29页 |
| ·Relationship between Mood & Modality and Interpersonal Function | 第29-36页 |
| ·Interpersonal Function | 第29-32页 |
| ·Realization of Interpersonal Function through Mood and Modality | 第32-36页 |
| ·Application Letter | 第36-40页 |
| ·Defining Application Letter | 第37页 |
| ·Previous Studies of Application Letters | 第37-40页 |
| Chapter Three Methodology | 第40-42页 |
| ·Research Questions | 第40页 |
| ·Data Collection | 第40页 |
| ·Data Analysis | 第40-42页 |
| Chapter Four Analysis and Discussion | 第42-64页 |
| ·Interpersonal Meanings Realized by Mood | 第43-49页 |
| ·Interpersonal Meanings Realized by Declaratives | 第44-46页 |
| ·Interpersonal Meanings Realized by Imperatives | 第46-48页 |
| ·Interpersonal Meanings Realized by Interrogatives | 第48-49页 |
| ·Interpersonal Meaning Realized by Modality | 第49-64页 |
| ·Distribution of Modality | 第49-51页 |
| ·Interpersonal Meaning Realized by Finite Operators | 第51-57页 |
| ·Interpersonal Meaning Realized by Modal Adjuncts | 第57-60页 |
| ·Interpersonal Meaning Realized by Interpersonal Metaphors | 第60-64页 |
| Chapter Five Conclusion | 第64-66页 |
| ·Major Findings and Implications of the Research | 第64-65页 |
| ·Limitations of the Current Study | 第65-66页 |
| References | 第66-69页 |
| Acknowledgements | 第69页 |
