| Acknowledgements | 第1-4页 |
| Abstract | 第4-6页 |
| 摘要 | 第6-9页 |
| 1. Introduction | 第9-12页 |
| 2. Basic Theories: Politeness Theories and Register Theories | 第12-35页 |
| ·Politeness Theories | 第12-27页 |
| ·Grice’s Cooperative Principle (CP) | 第14-15页 |
| ·Lakoff’s Theory of Politeness | 第15-16页 |
| ·Leech’s Politeness Principle (PP) | 第16-22页 |
| ·Brown and Levinson’s Face Theory | 第22-26页 |
| ·Factors Affecting Politeness | 第26-27页 |
| ·Register Theories | 第27-35页 |
| ·Denotations of Register | 第27-28页 |
| ·Halliday’s Three Dimensions of Register | 第28-30页 |
| ·The Advantages of Halliday’s Register Theory | 第30-35页 |
| 3. Politeness and Field of Discourse | 第35-46页 |
| ·Politeness and Speech Act Theory | 第35-38页 |
| ·Politeness Influenced by Different Speech Acts | 第38-46页 |
| ·Politeness in Greeting | 第39-40页 |
| ·Politeness in Complimenting | 第40-42页 |
| ·Politeness in Disagreeing | 第42-43页 |
| ·Politeness in Requesting | 第43-46页 |
| 4. Politeness and Tenor of Discourse | 第46-56页 |
| ·Politeness Determined by Power and Solidarity Relationship | 第46-52页 |
| ·Formality Degrees of Politeness Determined by Social Distance | 第52-56页 |
| 5. Politeness and Mode of Discourse | 第56-62页 |
| ·Politeness in Verbal Communication | 第57-59页 |
| ·Politeness in Written Discourse | 第59-62页 |
| 6. A Comprehensive Study of Politeness in the Three Dimensions of Register | 第62-69页 |
| ·The Interrelationship between Any Two of the Three Dimensions in Influencing Politeness | 第62-66页 |
| ·The Interrelationship between Field and Tenor | 第63-64页 |
| ·The Interrelationship between Field and Mode | 第64-65页 |
| ·The Interrelationship between Tenor and Mode | 第65-66页 |
| ·The Relative Importance of Three Dimensions of Register in Influencing Politeness | 第66-69页 |
| 7. Conclusions | 第69-73页 |
| ·Conclusions of the Study | 第69-71页 |
| ·Limitations of the Study | 第71-72页 |
| ·Further Study | 第72-73页 |
| Bibliography | 第73-77页 |