| Acknowledgements | 第1-5页 |
| Chinese Abstract | 第5-6页 |
| English Abstract | 第6-9页 |
| Chapter Ⅰ Introduction | 第9-12页 |
| Chapter Ⅱ Theoretical Preliminaries of the Present Study | 第12-21页 |
| 2．1 Felicity Conditions | 第12-18页 |
| 2．2 Global Speech Act | 第18-21页 |
| Chapter Ⅲ Presequence versus Felicity Conditions | 第21-44页 |
| 3．1 Presequence as realization of the Propositional Content Condition | 第22-28页 |
| 3．2 Presequence as realization of the Sincerity Condition | 第28-32页 |
| 3．3 Presequence as realization of the Preparatory Condition | 第32-44页 |
| Chapter Ⅳ Presequence versus Politeness | 第44-56页 |
| 4．1 Presequence versus Responder's Negative Face | 第45-51页 |
| 4．2 Presequence versus Responder's Positive Face | 第51-52页 |
| 4．3 Presequence versus Initiator's Positive Face | 第52-56页 |
| Chapter Ⅴ Conclusion | 第56-58页 |
| Bibliography | 第58-60页 |
