| 摘要 | 第5-6页 |
| ABSTRACT | 第6-7页 |
| Chapter One Introduction | 第10-15页 |
| 1.1 A Brief Introduction to the English Progressive | 第10-13页 |
| 1.2 The Purpose of the Thesis | 第13页 |
| 1.3 The Layout of the Thesis | 第13-15页 |
| Chapter Two Previous Studies of the English Progressive | 第15-26页 |
| 2.1 Traditional Grammarians’ Studies | 第15-16页 |
| 2.2 The Studies from the Perspective of Semantics | 第16-18页 |
| 2.3 The Studies from the Perspective of Pragmatics | 第18-19页 |
| 2.4 The Studies from the Perspective of Cognitive Linguistics | 第19-24页 |
| 2.5 The Studies from the Perspective of Principle of Economy | 第24-25页 |
| 2.6 Summary | 第25-26页 |
| Chapter Three Theoretical Basis | 第26-37页 |
| 3.1 Prototype Theory | 第26-30页 |
| 3.1.1 Prototype Theory of Categorization | 第26-29页 |
| 3.1.2 Prototypical Members and Non-prototypical Members | 第29-30页 |
| 3.2 The Theory of Conceptual Metaphor | 第30-34页 |
| 3.3 Image Schema | 第34-35页 |
| 3.4 Zeno Vendler’s Classification of English Verbs | 第35-36页 |
| 3.5 Summary | 第36-37页 |
| Chapter Four A Tentative Study of the Uses of the English Present Progressive | 第37-53页 |
| 4.1 The Prototypical Use of the English Present Progressive | 第38-41页 |
| 4.2 The Non-Prototypical Uses of the English Present Progressive | 第41-51页 |
| 4.2.1 The Future-Indicating and Past-Indicating Uses of the English Present Progressive | 第42-47页 |
| 4.2.1.1 The Future-Indicating Use of the English Present Progressive | 第42-43页 |
| 4.2.1.2 The Past-Indicating Use of the English Present Progressive | 第43-44页 |
| 4.2.1.3 Metaphorical Extensions to the Time Domain | 第44-47页 |
| 4.2.2 The Politeness Uses and Idiomatic Uses of the English Present Progressive | 第47-51页 |
| 4.2.2.1 The Politeness Uses of the English Present Progressive | 第47-48页 |
| 4.2.2.2 The idiomatic Uses of the English Present Progressive | 第48-49页 |
| 4.2.2.3 Metaphorical Extensions to the Psychology Domain | 第49-51页 |
| 4.3 The English Progressive as a Prototype Category | 第51-52页 |
| 4.4 Summary | 第52-53页 |
| Chapter Five Conclusion | 第53-55页 |
| 5.1 Main Findings | 第53-54页 |
| 5.2 Limitations and Suggestions for Further Studies | 第54-55页 |
| References | 第55-58页 |
| Appendix : 作者攻读硕士学位期间发表论文及科研情况 | 第58-59页 |
| Acknowledgements | 第59页 |
