| Abstract | 第1-6页 |
| 摘要 | 第6-11页 |
| Introduction | 第11-17页 |
| ·Background of the Current Study | 第11-13页 |
| ·Objectives of the Current Study | 第13-14页 |
| ·Layout of the Present Thesis | 第14-17页 |
| Chapter One Literature Review | 第17-33页 |
| ·Research on the Transitivity of Middle Verbs | 第17-23页 |
| ·Middle Verbs as Transitive Verbs | 第17-20页 |
| ·Middle Verbs as Intransitive Verbs | 第20-21页 |
| ·Middle Verbs' Neuter State between Transitive and Intransitive Verbs | 第21-23页 |
| ·Research on the Agent of Middle Sentences | 第23-26页 |
| ·The Point of View of"Implicit Agent" | 第24-25页 |
| ·The Point of View of"No Agent" | 第25-26页 |
| ·Research on the Non-eventivity of Middle Sentences | 第26-27页 |
| ·Research on Modality of Middle Sentences | 第27-29页 |
| ·Research on the Construction Meaning of Middle Sentences | 第29-30页 |
| ·Summary | 第30-33页 |
| Chapter Two Theoretical Foundations | 第33-51页 |
| ·Conceptualization | 第34-36页 |
| ·Categorization | 第36-47页 |
| ·Classical Theory of Categorization | 第38-41页 |
| ·Prototype Theory | 第41-47页 |
| ·The Theory of Energy Transmission | 第47-48页 |
| ·Summary | 第48-51页 |
| Chapter Three The Generation and Expansion of the Middle Concept | 第51-77页 |
| ·The Middle Concept | 第52-55页 |
| ·The Generation of the Middle Concept | 第55-61页 |
| ·The Experiential Basis of the Middle Concept | 第56-57页 |
| ·Middle Event | 第57-61页 |
| ·Middle Event in Virtual Reality | 第58-60页 |
| ·The Energy Transmission in Virtual Event | 第60-61页 |
| ·The Expansion of the Middle Concept | 第61-70页 |
| ·The Prototypes of the Middle Concept and Their Semantic Properties | 第62-65页 |
| ·The Non-prototypes of the Middle Concept and Their Semantic Features | 第65-66页 |
| ·The Motivation and Cognitive Mechanism of the Expansion of the Middle Concept | 第66-70页 |
| ·The Motivation of the Expansion of the Middle Concept | 第67-68页 |
| ·The Cognitive Mechanism of the Expansion of the Middle Concept | 第68-70页 |
| ·Comparison Between the Middle Concept and the Active Concept | 第70-73页 |
| ·Comparison Between the Middle Concept and the Passive Concept | 第73-76页 |
| ·Summary | 第76-77页 |
| Chapter Four The Generation and Expansion of the Middle Sentence in English | 第77-91页 |
| ·The Generation of the Middle Sentence in English | 第77-79页 |
| ·The Expansion of the Middle Sentence in English | 第79-85页 |
| ·The Prototypes of the Middle Sentence and Their Syntactic Features | 第79-82页 |
| ·The Non-prototypes of the Middle Sentence and Their Syntactic Features | 第82-85页 |
| ·The Middle Sentence with Instrument as the Subject | 第83页 |
| ·The Middle Sentence with Location as the Subject | 第83-84页 |
| ·The Middle Sentence with Setting as the Subject | 第84-85页 |
| ·Comparison Between the Middle Sentence and the Active Sentence | 第85-86页 |
| ·Comparison Between the Middle Sentence and the Passive Sentence | 第86-89页 |
| ·Summary | 第89-91页 |
| Conclusion | 第91-95页 |
| Bibliography | 第95-103页 |
| Appendix | 第103-105页 |
| Acknowledgements | 第105-107页 |
