| Abstract | 第1-6页 |
| 摘要 | 第6-7页 |
| List of Figures | 第7-8页 |
| List of Tables | 第8-9页 |
| Abbreviations | 第9-12页 |
| Chapter 1 Introduction | 第12-19页 |
| ·Definition of LDC | 第12-14页 |
| ·Objectives of the Research and its Significance | 第14-15页 |
| ·Methodology of the Research | 第15-17页 |
| ·Organization of the Thesis | 第17-19页 |
| Chapter 2 Literature Review | 第19-31页 |
| ·TG Grammar Approach to LDC: Transformation-derived to Base-generated | 第19-21页 |
| ·Functional Approach to LDC: Three Functions to Two Functions | 第21-26页 |
| ·Pragmatic Approach to LDC: Choice-making to Motivations behind the Choice | 第26-28页 |
| ·Cognitive Approach: New Direction | 第28-29页 |
| ·Summary | 第29-31页 |
| Chapter 3 Theoretical Foundations | 第31-45页 |
| ·A Brief Introduction to Cognitive Linguistics | 第31-32页 |
| ·Fundamental Assumptions of Cognitive Grammar | 第32-38页 |
| ·Guiding Assumptions of Cognitive Grammar | 第32-34页 |
| ·The Reference-point Model | 第34-38页 |
| ·An Over Review to Grammaticalization and Subjectification | 第38-44页 |
| ·A General Introduction to Grammaticalization | 第38-39页 |
| ·The Mechanism and Motivation of Grammaticalization | 第39-40页 |
| ·A General Introduction to Subjectification | 第40-44页 |
| ·Summary | 第44-45页 |
| Chapter 4 Cognitive Approach to LDC in English | 第45-62页 |
| ·The Characteristics of LDC in English | 第45-47页 |
| ·The Grammaticalization of LDC | 第47-52页 |
| ·The Grammaticalization of Topic-prominent languages and Subject-prominent Languages | 第48-50页 |
| ·The Grammaticalization of LDC in English | 第50-52页 |
| ·The Subjectification of LDC in English | 第52-56页 |
| ·The Application of Reference-point Model to LDC in English | 第56-60页 |
| ·Summary | 第60-62页 |
| Chapter 5 Cognitive Approach to LDC in Chinese | 第62-78页 |
| ·The Characteristics of LDC in Chinese | 第62-64页 |
| ·The Grammaticalization of LDC in Chinese | 第64-67页 |
| ·The Subjectification of LDC in Chinese | 第67-71页 |
| ·The Application of Reference-point Model to LDC in Chinese | 第71-74页 |
| ·Comparison between English LDC and Chinese LDC | 第74-76页 |
| ·Summary | 第76-78页 |
| Chapter 6 Conclusion | 第78-82页 |
| ·Brief Summary of Major Findings | 第78-80页 |
| ·Implications of the Research | 第80-81页 |
| ·Suggestions for Further Research | 第81-82页 |
| Bibliography | 第82-86页 |
| Appendices | 第86-95页 |
| Acknowledgements | 第95-96页 |
| Publications | 第96页 |
