| Abstract | 第4页 |
| 摘要 | 第5-8页 |
| Chapter One Introduction | 第8-11页 |
| 1.1 Research Background | 第8-9页 |
| 1.2 Research Questions | 第9页 |
| 1.3 Significance of the Study | 第9-10页 |
| 1.4 Structural Organization of the Thesis | 第10-11页 |
| Chapter Two Literature Review | 第11-27页 |
| 2.1 Previous Studies on Politeness | 第11-24页 |
| 2.1.1 Conceptualization of Politeness | 第11-13页 |
| 2.1.2 Related Theories on Politeness | 第13-21页 |
| 2.1.3 Positive and Negative Politeness | 第21-24页 |
| 2.2 Previous Studies on Duplication Forms in Chinese | 第24-27页 |
| Chapter Three Research Methodology | 第27-35页 |
| 3.1 Corpus-based Study | 第27-28页 |
| 3.2 Corpus Used in this Study | 第28-29页 |
| 3.3 Procedures and Analytic Tool | 第29-30页 |
| 3.3.1 Data Collection Procedures | 第29页 |
| 3.3.2 Ant Conc as the Analytic Tool | 第29-30页 |
| 3.4 Data Description | 第30-35页 |
| 3.4.1 Frequencies of Duplication Forms | 第30-32页 |
| 3.4.2 Duplication Forms in Speech Acts | 第32-33页 |
| 3.4.3 Politeness Function of Duplication Forms | 第33-35页 |
| Chapter Four Data Analysis | 第35-50页 |
| 4.1 Types of the Duplication Forms in the Present Study | 第35-36页 |
| 4.2 Duplication Forms in Different Speech Acts | 第36-37页 |
| 4.3 Duplication Forms as Mitigating Device in Request | 第37-39页 |
| 4.4 The Functions of Duplication Forms Used as Strengthening Device | 第39-50页 |
| 4.4.1 Praising | 第39-41页 |
| 4.4.2 Expressing Gratitude | 第41-42页 |
| 4.4.3 Showing Agreement | 第42-43页 |
| 4.4.4 Expressing Sympathy | 第43-44页 |
| 4.4.5 Conveying Good Wish | 第44-45页 |
| 4.4.6 Inviting by Showing Hospitality | 第45-46页 |
| 4.4.7 Being Modest | 第46-47页 |
| 4.4.8 Advising | 第47-50页 |
| Chapter Five Overall Discussion | 第50-55页 |
| 5.1 Duplication Forms as a Key Linguistic Device for Politeness in Chinese | 第50-51页 |
| 5.2 Reasons for Duplication Forms as Modifying Devices | 第51-55页 |
| 5.2.1 Structural Meaning Underlying Duplication Forms as MitigatingDevice | 第51-52页 |
| 5.2.2 Structural Meaning Underlying Duplication Forms as Strengthening Device | 第52-53页 |
| 5.2.3 Prosodic Factors Underlying Duplication Forms as Modifying Devices | 第53-55页 |
| Chapter Six Conclusion | 第55-58页 |
| 6.1 Major Findings | 第55-56页 |
| 6.2 Implications | 第56-57页 |
| 6.3 Limitations and Suggestions | 第57-58页 |
| References | 第58-62页 |
| Acknowledgements | 第62页 |
