| Acknowledgements | 第3-4页 |
| English Abstract | 第4页 |
| Chinese Abstract | 第5-6页 |
| Introduction | 第6-8页 |
| Ⅰ Request and Speech Acts | 第8-16页 |
| 1.1 Definition of Request | 第8-9页 |
| 1.2 Request is a Speech Act | 第9-10页 |
| 1.3 Speech Act Theories | 第10-16页 |
| 1.3.1 Wittgenstein and Analytic Philosophy | 第10-11页 |
| 1.3.2 Austin and Conventional Speech Acts | 第11-13页 |
| 1.3.3 Searle and Communicative Speech Acts | 第13-16页 |
| Ⅱ Conditions of Requests | 第16-24页 |
| 2.1 Levels of Speech Acts | 第16-20页 |
| 2.2 Conditions of a Speech Act | 第20-21页 |
| 2.3 Conditions of a Request | 第21-24页 |
| Ⅲ Direct and Indirect Requests | 第24-46页 |
| 3.1 Criteria to Differ Direct and Indirect Requests | 第24-34页 |
| 3.1.1 Sentence Structures as a Criterion | 第24-27页 |
| 3.1.2 Illocutionary Act as a Criterion | 第27-30页 |
| 3.1.3 Cooperative Principle as a Criterion | 第30-34页 |
| 3.2 Face and Politeness | 第34-37页 |
| 3.3 Interpretation of Indirect Requests | 第37-46页 |
| 3.3.1 Interpreting Conversational Implicature | 第37-40页 |
| 3.3.2 Interpreting Intention through Context | 第40-43页 |
| 3.3.3 Interpreting Modifications of Requests | 第43-46页 |
| Ⅳ Request Strategies in English and Chinese | 第46-65页 |
| 4.1 Ervin-tripp's Research on English Request Strategies | 第46-48页 |
| 4.2 Studies on Chinese Request Strategies | 第48-60页 |
| 4.3 Similarities and Differences Between English and Chinese Request Strategies | 第60-65页 |
| Conclusion | 第65-67页 |
| Appendix | 第67-70页 |
| References | 第70-73页 |
