| 中文摘要 | 第4-6页 |
| Abstract | 第6-7页 |
| Chapter One Introduction | 第11-15页 |
| 1.1 Research Background | 第11页 |
| 1.2 Research Objective | 第11-13页 |
| 1.3 Research Questions | 第13-14页 |
| 1.4 Organization of This Thesis | 第14-15页 |
| Chapter Two Literature Review | 第15-21页 |
| 2.1 Review of Mood System in Various Discourse Types | 第15-17页 |
| 2.2 Overview of Studies of Advertising | 第17-19页 |
| 2.2.1 Studies of Advertising | 第17-18页 |
| 2.2.2 Studies of Mood in Advertising Discourse | 第18-19页 |
| 2.3 Former Studies of Mood in Public Service Advertising | 第19-21页 |
| Chapter Three Theoretical Framework | 第21-35页 |
| 3.1 Interpersonal Function | 第21-22页 |
| 3.1.1 Three Metafunctions of Systemic Functional Grammar | 第21页 |
| 3.1.2 Interpersonal Function of Language | 第21-22页 |
| 3.2 Mood System in Systemic Functional Grammar | 第22-25页 |
| 3.2.1 Speech Roles and Functions | 第22-24页 |
| 3.2.2 Mood Structures | 第24-25页 |
| 3.3 Mood Realization Devices | 第25-35页 |
| 3.3.1 Mood Realization by the Three kinds of Basic Clauses | 第25-27页 |
| 3.3.2 Mood Realization by Tenses and Voices | 第27-30页 |
| 3.3.3 Mood Realization by Ellipsis | 第30-33页 |
| 3.3.4 Mood Realization by Minor Clause | 第33-35页 |
| Chapter Four Realization of Mood in English PSA | 第35-65页 |
| 4.1 Research Methodology | 第35-37页 |
| 4.1.1 Data Collection | 第35-36页 |
| 4.1.2 Research Methods | 第36-37页 |
| 4.2 The Realization of Mood by the Three Kinds of Basic Clauses in English PSA | 第37-48页 |
| 4.2.1 Declarative | 第38-41页 |
| 4.2.2 Interrogative | 第41-44页 |
| 4.2.3 Imperative | 第44-47页 |
| 4.2.4 Summary | 第47-48页 |
| 4.3 Realization of Mood by Tense in English PSA | 第48-56页 |
| 4.4 Realization of Mood by Voice in English PSA | 第56-59页 |
| 4.5 Realization of Mood by Ellipsis in English PSA | 第59-61页 |
| 4.6 Realization of Mood by Minor Clause in English PSA | 第61-65页 |
| Chapter Five Conclusion | 第65-70页 |
| 5.1 Major Findings | 第65-67页 |
| 5.2 Implications of the Present Research | 第67页 |
| 5.3 Limitations of the Present Research | 第67-68页 |
| 5.4 Suggestions for Further Research | 第68-70页 |
| Bibliography | 第70-73页 |
| Appendixes | 第73-75页 |
| Acknowledgements | 第75-76页 |
| 导师和作者简介 | 第76页 |
