| 摘要 | 第4-5页 |
| Abstract | 第5-6页 |
| List of Abbreviations | 第9-12页 |
| Chapter One Introduction | 第12-17页 |
| 1.1 Research Background | 第12-14页 |
| 1.2 Objectives of the Study | 第14页 |
| 1.3 Significance of the Study | 第14-15页 |
| 1.4 Layout of the Study | 第15-17页 |
| Chapter Two Literature Review | 第17-28页 |
| 2.1 The Notion of Modality | 第17-18页 |
| 2.2 Previous Studies on Modality Abroad | 第18-20页 |
| 2.2.1 Historical Review of Modality Study Abroad | 第18-19页 |
| 2.2.2 Halliday's Systemic Functional Grammar approach to Modality | 第19-20页 |
| 2.2.3 Palmer's Theory from Semantic Angle | 第20页 |
| 2.3 Previous Studies on Modality in China | 第20-22页 |
| 2.4 Previous Studies on Legal Language | 第22-26页 |
| 2.4.1 Unique Features of Legal Language | 第23-24页 |
| 2.4.2 Previous Studies on Legal Language Abroad | 第24-25页 |
| 2.4.3 Previous Studies on Legal Language in China | 第25-26页 |
| 2.5 General Structure of Criminal Judgments | 第26-28页 |
| 2.5.1 General Structure of American Criminal Judgments | 第26-27页 |
| 2.5.2 General Structure of Chinese Criminal Judgments | 第27-28页 |
| Chapter Three Theoretical Framework | 第28-40页 |
| 3.1 Classifications of Modality from SFG Approach | 第28-32页 |
| 3.1.1 Types of Modality | 第28-29页 |
| 3.1.2 Values and Polarity of Modality | 第29-31页 |
| 3.1.3 Orientation of Modality | 第31-32页 |
| 3.2 The Main Linguistic Realization of Modality | 第32-38页 |
| 3.2.1 The Main Linguistic Realization of Modality in English | 第32-35页 |
| 3.2.1.1 Finite Modal Operator | 第32-33页 |
| 3.2.1.2 Modal Adjuncts | 第33-35页 |
| 3.2.1.3 Expansion of the Predicators | 第35页 |
| 3.2.1.4 Metaphors of Modality | 第35页 |
| 3.2.2 The Main Linguistic Realization of Modality in Chinese | 第35-38页 |
| 3.2.2.1 Modal Verbs | 第36-37页 |
| 3.2.2.2 Modal Adjuncts | 第37-38页 |
| 3.3 Summary | 第38-40页 |
| Chapter Four Research Methodology | 第40-44页 |
| 4.1 Research Questions | 第40页 |
| 4.2 Data Establishment and Description | 第40-42页 |
| 4.3 Analysis Approaches and Instruments | 第42-44页 |
| Chapter Five Findings and Discussions | 第44-64页 |
| 5.1 Frequencies of Modal Expressions in American and Chinese Criminal Judgments | 第44-54页 |
| 5.1.1 Comparison of Modal Operators in ACJ and CCJ | 第44-47页 |
| 5.1.2 Comparison of Modal Adjuncts in ACJ and CCJ | 第47-51页 |
| 5.1.2.1 Comparison of Mood Adjuncts in ACJ and CCJ | 第47-50页 |
| 5.1.2.2 Comparison of Comment Adjuncts in ACJ and CCJ | 第50-51页 |
| 5.1.3 Expansion of Predicators in ACJ | 第51-52页 |
| 5.1.4 Metaphors of Modality in ACJ | 第52页 |
| 5.1.5 Summary | 第52-54页 |
| 5.2 Values of Modality in in American and Chinese Criminal Judgments | 第54-61页 |
| 5.2.1 Modal Expressions of High Value in ACJ and CCJ | 第55-57页 |
| 5.2.2 Modal Expressions of Medium Value in ACJ and CCJ | 第57-59页 |
| 5.2.3 Modal Expressions of Low Value in ACJ and CCJ | 第59-61页 |
| 5.3 Polarity of Modality in in American and Chinese Criminal Judgments | 第61-62页 |
| 5.4 Orientation of Modality in in American and Chinese Criminal Judgments | 第62-64页 |
| Chapter Six Conclusion | 第64-68页 |
| 6.1 Major Findings of the Study | 第64-66页 |
| 6.2 Implications of the study | 第66页 |
| 6.3 Limitations of the Study and Suggestions for Future Study | 第66-68页 |
| References | 第68-73页 |
| Acknowledgements | 第73页 |
