| 中文摘要 | 第1-6页 |
| Abstract | 第6-10页 |
| Chapter One Introduction | 第10-16页 |
| ·The Origin of the English Tense | 第10-11页 |
| ·The Necessity of the Thesis | 第11-13页 |
| ·The Purpose of the Thesis | 第13-14页 |
| ·The Organization of the Thesis | 第14-16页 |
| Chapter Two The Previous Studies of the English Tense | 第16-25页 |
| ·Traditional Studies of the English Tense | 第16-20页 |
| ·The Traditional Model of the English Tense | 第17-18页 |
| ·The Reduction Model of the English Tense | 第18页 |
| ·The Extension Model of the English Tense | 第18-20页 |
| ·Cognitive Studies of the English Tense | 第20-24页 |
| ·Langacker’s View of the English Tense | 第20-21页 |
| ·Taylor’s View of the English Tense | 第21-24页 |
| ·Summary | 第24-25页 |
| Chapter Three The Prototype Theory of Categorization | 第25-29页 |
| ·The Prototype Theory of Categorization | 第25-26页 |
| ·Some important Concepts of the Prototype Theory | 第26-28页 |
| ·Family Resemblance | 第26-27页 |
| ·Prototypical Members and Nonprototypical Members | 第27-28页 |
| ·Summary | 第28-29页 |
| Chapter Four Present-connectiveness | 第29-35页 |
| ·The Nature of the English Present Tense | 第29-32页 |
| ·The Present Tense and the Present-connectiveness | 第32-34页 |
| ·Summary | 第34-35页 |
| Chapter Five A Tentative Study of the Nonprototypical Uses of English Present Tense | 第35-51页 |
| ·The Prototypical Use of the English Present Tense | 第35-37页 |
| ·The Nonprototypical Uses of the English Present Tense | 第37-48页 |
| ·The Unrestrictive Use of the Present Tense | 第37-40页 |
| ·The Habitual Use of the Present Tense | 第40-42页 |
| ·The Future Use of the Present Tense | 第42-44页 |
| ·The Past Use of the Present Tense | 第44-46页 |
| ·The Imaginary Use of the Present Tense | 第46-48页 |
| ·The Present Tense as a Prototypical Category | 第48-49页 |
| ·Summary | 第49-51页 |
| Chapter Six Conclusion | 第51-53页 |
| References | 第53-56页 |
| Appendix | 第56-57页 |
| Acknowledgements | 第57页 |
