| Abstract | 第1-6页 |
| 摘要 | 第6-11页 |
| Introduction | 第11-15页 |
| Chapter One Concept of Modality and Studies of Modality in Different Perspectives | 第15-27页 |
| ·Conception of Modality in Different Dimensions | 第15-20页 |
| ·Modality in Philosophy | 第16-17页 |
| ·Modality in Semantics | 第17-18页 |
| ·Modality in Cognitive Linguistics | 第18-20页 |
| ·Modality in Systemic Functional Grammar | 第20页 |
| ·Modality and Power | 第20-24页 |
| ·Modality and Ideology | 第24-25页 |
| ·Modality and Genre | 第25-27页 |
| Chapter Two Key Issues of Modality in Systemic Functional Grammar | 第27-35页 |
| ·Modality and Mood | 第27-28页 |
| ·Orientation of Modality | 第28-30页 |
| ·Value of Modality | 第30页 |
| ·Realization of Modality | 第30-35页 |
| ·Modal Verbs | 第31-32页 |
| ·Metaphors of Modality | 第32-34页 |
| ·Marked and Unmarked | 第34-35页 |
| Chapter Three Analysis of Modality in Native Son | 第35-56页 |
| ·Defining Fictional Discourse | 第35-36页 |
| ·A Brief Introduction of Native Son | 第36-37页 |
| ·Dialogues in Native Son | 第37-56页 |
| ·Dialogue Between Bigger and His Mother | 第38-41页 |
| ·Dialogue Between Bigger and Gus | 第41-46页 |
| ·Dialogue Between Bigger and Mr. Dalton | 第46-51页 |
| ·Contrastive analysis | 第51-56页 |
| Conclusions | 第56-58页 |
| Bibliography | 第58-61页 |
| Acknowledgements | 第61页 |
