| 摘要 | 第1-3页 |
| Abstract | 第3-8页 |
| Chapter One Introduction | 第8-10页 |
| ·Objectives of the study | 第8-9页 |
| ·Significance of the Study | 第9页 |
| ·Overview of the Study | 第9-10页 |
| Chapter Two Literature Review | 第10-20页 |
| ·Previous Studies on Modality | 第10-15页 |
| ·The Basic Notions | 第11-13页 |
| ·Previous Studies on Modality Aboard | 第13-15页 |
| ·Previous Studies on Modality at Home | 第15页 |
| ·Previous Studies of Modality in Legislative Discourse | 第15-18页 |
| ·Previous Studies of Modality in Legislative Discourse Aboard | 第16页 |
| ·Previous Studies of Modality in Legislative Discourse at Home | 第16-18页 |
| ·Features of PRCLCL | 第18-20页 |
| ·PRCLCL with Universality | 第18页 |
| ·PRCLCL with Strong Ethics | 第18-19页 |
| ·PRCLCL with Striking Coercion | 第19-20页 |
| Chapter Three Theoretical Framework —Modality | 第20-33页 |
| ·Types of Modality | 第20-22页 |
| ·Modulization | 第21页 |
| ·Modulation | 第21-22页 |
| ·Orientation of Modality | 第22-24页 |
| ·Subjectivity | 第22-23页 |
| ·Objectivity | 第23-24页 |
| ·Values of Modality | 第24-28页 |
| ·High Value | 第25-26页 |
| ·Median Value | 第26-27页 |
| ·Low Value | 第27-28页 |
| ·Linguistic Realizations of Modality | 第28-33页 |
| ·Linguistic Realizations of Modality in English | 第28-30页 |
| ·Linguistic Realization of Modality in Chinese | 第30-33页 |
| Chapter Four Research Methodology | 第33-35页 |
| ·Research Purpose | 第33页 |
| ·Data Collection and Analysing Method | 第33-35页 |
| Chapter Five Interpersonal Function Analysis of Modal Expressions in PRCLCL | 第35-48页 |
| ·Distributions of Modal Expressions in PRCLCL | 第35-36页 |
| ·Analysis of Types of Modal Expressions in PRCLCL | 第36-39页 |
| ·Analysis of Modalization of Modal Expressions in PRCLCL | 第36-37页 |
| ·Analysis of Modulation of Modal Expressions in PRCLCL | 第37-39页 |
| ·Orientation of Modal Expressions in PRCLCL | 第39-40页 |
| ·Values of Modal Expressions in PRCLCL | 第40-46页 |
| ·Modal Expressions with High Value | 第41-44页 |
| ·The Positive Modal Expressions with High Value —“应当”and “应” | 第42-43页 |
| ·The Negative Modal Expressions with High Value —“不得”and “不能” | 第43-44页 |
| ·Modal Expressions with Low Value | 第44-46页 |
| ·Modal Expression with Low Value —“可以” | 第44-45页 |
| ·Modal Expression with Low Value —“需要” | 第45-46页 |
| ·Modal Expression with Low Value —“能” | 第46页 |
| ·Linguistic Realizations of Modal Expressions in PRCLCL | 第46-48页 |
| Chapter Six Research Findings and Implications | 第48-54页 |
| ·Research Findings | 第48-51页 |
| ·One Main Type of Modal Expressions in PRCLCL | 第48页 |
| ·Features of Orientation of Modal Expressions in PRCLCL | 第48-49页 |
| ·Features of Values of Modal Expressions in PRCLCL | 第49-50页 |
| ·Modal Verbs —the Only Linguistic Realization of Modality in PRCLCL | 第50-51页 |
| ·Implications | 第51-54页 |
| ·Theoretical Implications | 第51-52页 |
| ·Practical Implications | 第52-54页 |
| Chapter Seven Conclusion | 第54-55页 |
| References | 第55-58页 |
| Acknowledgement | 第58页 |
