| Acknowledgemensts | 第1-7页 |
| Abstract | 第7-9页 |
| 内容摘要 | 第9-11页 |
| Chapter One Introduction | 第11-15页 |
| ·Background to the Study | 第11-13页 |
| ·Purpose of the Study | 第13页 |
| ·Research Method | 第13-14页 |
| ·Organization of the Thesis | 第14-15页 |
| Chapter Two Literature Review | 第15-23页 |
| ·The History of Debate | 第15-16页 |
| ·The Definition and Classification of Debate | 第16-17页 |
| ·Educational Debate | 第17-19页 |
| ·The "FLTRP CUP" National English Debating Competition | 第17-18页 |
| ·Benefits of Educational Debate | 第18-19页 |
| ·Previous Studies on Debate | 第19-21页 |
| ·Comments on Previous Studies | 第21-23页 |
| Chapter Three Systemic-Functional Grammar as the Theoretical Framework | 第23-28页 |
| ·The Conceptual Work of Systemic-Functional Grammar | 第23-25页 |
| ·Three Meta-Functions of Language | 第25-28页 |
| ·Ideational Function | 第25-26页 |
| ·Interpersonal Function | 第26-27页 |
| ·Textual Function | 第27-28页 |
| Chapter Four Ideational Function in IED Discourse | 第28-49页 |
| ·Types of Process | 第29-32页 |
| ·The General Analysis of Process Verbs in IED Discourse | 第32-36页 |
| ·The Detailed Analysis of Process Verbs in IED Discourse | 第36-49页 |
| ·Process Verbs in the Opening Speech | 第36-40页 |
| ·Process Verbs in Free Argumentation | 第40-44页 |
| ·Process Verbs in the Closing Speech | 第44-49页 |
| Chapter Five Interpersonal Function in IED Discourse | 第49-65页 |
| ·Types of Mood | 第49-50页 |
| ·Speech Roles, Functions and Their Realizations | 第50-51页 |
| ·Types of Modality | 第51-52页 |
| ·Orientation of Modality | 第52-53页 |
| ·Values of Modality | 第53-54页 |
| ·Mood and Modality in IED Discourse | 第54-65页 |
| ·Mood in IED Discourse | 第54-60页 |
| ·The declarative clause | 第54-56页 |
| ·The interrogative clause | 第56-58页 |
| ·The imperative clause | 第58-59页 |
| ·The differences between the two sides in mood types | 第59-60页 |
| ·Modality in IED Discourse | 第60-65页 |
| ·Expressions of probability | 第60-61页 |
| ·Expressions of obligation | 第61-62页 |
| ·Expressions of inclination | 第62-63页 |
| ·Expressions of ability and usuality | 第63-65页 |
| Chapter Six Conclusion | 第65-69页 |
| ·Summary of the Study | 第65-67页 |
| ·Implications of the Study | 第67-68页 |
| ·Suggestions for Further Research | 第68-69页 |
| References | 第69-73页 |
| Appendix I Transitivity System in the Transcript | 第73-83页 |
| Appendix Ⅱ Mood in Free Argumentation | 第83-94页 |
| Appendix Ⅲ Modality in Free Argumentation | 第94-103页 |
