| Abstract | 第5-6页 |
| 摘要 | 第7-14页 |
| CHAPTER 1 Introduction | 第14-17页 |
| 1.1 Background of the Research | 第14-15页 |
| 1.2 Purposes of the Research | 第15-16页 |
| 1.3 Significance of the Research | 第16页 |
| 1.4 Organization of the Thesis | 第16-17页 |
| CHAPTER 2 Literature Review | 第17-23页 |
| 2.1 Previous study on Transitivity System | 第17-20页 |
| 2.1.1 Previous Study on Transitivity Analysis of Literature Works | 第17-18页 |
| 2.1.2 Previous Study on Transitivity Analysis of News Report | 第18-19页 |
| 2.1.3 Previous Study on Transitivity Analysis of Public Speech | 第19-20页 |
| 2.2 Previous Study on Presidents' Weekly Address | 第20-21页 |
| 2.3 A Summary of the Studies | 第21-23页 |
| CHAPTER 3 Theoretical Framework | 第23-32页 |
| 3.1 Systemic Functional Grammar | 第23页 |
| 3.2 Three Metafunctions | 第23-24页 |
| 3.3 Ideational Function | 第24页 |
| 3.4 Transitivity System | 第24-32页 |
| 3.4.1 Process types | 第26-30页 |
| 3.4.2 Participants | 第30页 |
| 3.4.3 Circumstance | 第30-32页 |
| CHAPTER 4 Research Methodology | 第32-36页 |
| 4.1 Research Questions | 第32页 |
| 4.2 Research Design | 第32-33页 |
| 4.3 Data Collection | 第33-34页 |
| 4.4 Data Analysis and Samples | 第34-36页 |
| 4.4.1 Term List | 第34-35页 |
| 4.4.2 Sample | 第35-36页 |
| CHAPTER 5 Results and Discussion | 第36-73页 |
| 5.1 Distributions of Six Process Types in Obama's Weekly Addresses | 第36-39页 |
| 5.2 Functions of Six Process Types in Obama's Weekly Addresses | 第39-52页 |
| 5.2.1 Function of Material Processes | 第40-42页 |
| 5.2.2 Function of Relational Processes | 第42-44页 |
| 5.2.3 Function of Mental Processes | 第44-48页 |
| 5.2.4 Function of Verbal Processes | 第48-50页 |
| 5.2.5 Function of Existential Processes | 第50-51页 |
| 5.2.6 Function of Behavioral Processes | 第51-52页 |
| 5.3 Distributions of Six Process Types in Addresses of Different Themes | 第52-59页 |
| 5.3.1 Distributions of Material Processes in Different Themes | 第53-55页 |
| 5.3.2 Distributions of Relational Processes in Different Themes | 第55-57页 |
| 5.3.3 Distributions of Mental Process in Different Themes | 第57-58页 |
| 5.3.4 Distributions of the Verbal, Existential and Behavioral Process in Six Themes | 第58-59页 |
| 5.4 Distributions and Functions of Main Participants | 第59-66页 |
| 5.4.1 Analysis of we/our/us as Participants | 第60-61页 |
| 5.4.2 Analysis of I/my/me as Participants | 第61-63页 |
| 5.4.3 Analysis of they/ their/them as Participants | 第63-65页 |
| 5.4.4 Analysis of you/your as Participants | 第65-66页 |
| 5.5 Distributions of Main Participants in Different Themes | 第66-73页 |
| 5.5.1 Distributions of I/my/me in Differemt Theme | 第68-69页 |
| 5.5.2 Distributions of We/our/us in Different Themes | 第69-70页 |
| 5.5.3 Distributions of You/your in Different Themes | 第70-71页 |
| 5.5.4 Distributions of They/their/them in Different Themes | 第71-73页 |
| CHAPTER 6 A Summary of Findings and Implications | 第73-78页 |
| 6.1 Major Findings | 第73-75页 |
| 6.2 Implications | 第75-76页 |
| 6.2.1 Implications on Pedagogy | 第75-76页 |
| 6.2.2 Implications on Cross-cultural Communication | 第76页 |
| 6.3 Limitations | 第76-78页 |
| Bibliography | 第78-81页 |
| Appendixes | 第81-83页 |
| Acknowledgements | 第83页 |
