| Acknowledgements | 第1-8页 |
| 摘要 | 第8-9页 |
| Abstract | 第9-11页 |
| 前言 | 第11-21页 |
| 一、情态的定义和分类 | 第11-12页 |
| 二、情态研究的发展与前沿 | 第12-14页 |
| 三、顺应理论下的情态 | 第14-16页 |
| 四、情态的顺应模式 | 第16-20页 |
| 五、结语 | 第20-21页 |
| Chapter 1 Introduction | 第21-26页 |
| ·The Rationale of the Thesis | 第22-23页 |
| ·The Objectives of the Study | 第23-24页 |
| ·The Scope of the Present Thesis on Modality | 第24-25页 |
| ·The Structure of the Thesis | 第25-26页 |
| Chapter 2 Previous Studies on Modality | 第26-37页 |
| ·Studies from the Traditional Grammatical Perspective | 第26-28页 |
| ·Studies from the Semantic Perspective | 第28-30页 |
| ·Studies from the Pragmatic Perspective | 第30-32页 |
| ·Studies from the Systemic-functional Perspective | 第32-35页 |
| ·Limitations of Previous Studies | 第35-36页 |
| ·Summary | 第36-37页 |
| Chapter 3 Modality under the Framework of the Adaptation theory | 第37-57页 |
| ·Modality | 第37-45页 |
| ·Modality and English Modal Auxiliaries | 第37-40页 |
| ·The Classification of Modality | 第40-43页 |
| ·Modality and Other Categories | 第43-45页 |
| ·The Adaptation Theory | 第45-48页 |
| ·A Brief Introduction | 第45-46页 |
| ·Four Angles of Investigation | 第46-48页 |
| ·The Theoretical Framework of Modality Adaptation | 第48-54页 |
| ·Use of Modality as a Realization of Choice-making | 第48-51页 |
| ·Use of Modality as Product of Adaptation | 第51-54页 |
| ·An Adaptation Model for the Use of Modality | 第54-57页 |
| Chapter 4 Use of Modality as the Realization of Adaptation | 第57-81页 |
| ·Linguistic Adaptation | 第57-66页 |
| ·Adaptation to Negation | 第58-62页 |
| ·The Concept of the Scope of Negation | 第59页 |
| ·Use of Modality as Adaptation to Negation | 第59-62页 |
| ·Adaptation to Tense | 第62-66页 |
| ·Modality and Past Tense | 第62-65页 |
| ·Modality and Futurity | 第65-66页 |
| ·Social-cultural Adaptation | 第66-72页 |
| ·Social and Culture Constraints | 第67-68页 |
| ·Modality as Adaptation to Politeness Factors | 第68-72页 |
| ·Mental Adaptation | 第72-78页 |
| ·The Role of the Mental world in Communication | 第72-73页 |
| ·Modality as Adaptation to the Psychological Motivations | 第73-76页 |
| ·Adaptation to Ironic Effect | 第74-75页 |
| ·Adaptation to Humorous Effect | 第75-76页 |
| ·Modality as Adaptation to Emotions | 第76-78页 |
| ·Summary | 第78-81页 |
| Chapter 5 Conclusions | 第81-84页 |
| ·Major Findings | 第81-82页 |
| ·Limitations | 第82-83页 |
| ·Further Studies | 第83-84页 |
| Notes | 第84-87页 |
| References | 第87-91页 |
