| Acknowledgements | 第4-5页 |
| Abstract | 第5-6页 |
| 摘要 | 第7-12页 |
| Chapter One Introduction | 第12-16页 |
| 1.1 Overview of the study | 第12页 |
| 1.2 Need for the study | 第12-14页 |
| 1.3 Significance of the study | 第14-15页 |
| 1.3.1 Theoretical significance | 第14页 |
| 1.3.2 Practical significance | 第14-15页 |
| 1.4 Structure of the thesis | 第15-16页 |
| Chapter Two Literature Review | 第16-33页 |
| 2.1 Key terms and basic concepts | 第16-18页 |
| 2.1.1 Definition of mode, medium, modality and multimodality | 第16-18页 |
| 2.1.2 Overview of multimodal discourse analysis | 第18页 |
| 2.2 Theoretical foundations | 第18-27页 |
| 2.2.1 Language as social semiotic | 第18-20页 |
| 2.2.2 Kress and Van Leeuwen' Visual Grammar developed from SFG | 第20-24页 |
| 2.2.3 Zhang Delu's theoretical framework for multimodal discourse analysis | 第24-27页 |
| 2.3 Previous studies abroad and at home | 第27-33页 |
| 2.3.1 Previous studies about multimodal discourse analysis abroad and at home | 第27-31页 |
| 2.3.1.1 Previous studies about multimodal discourse analysis abroad | 第27-29页 |
| 2.3.1.2 Previous studies about multimodal discourse analysis at home | 第29-31页 |
| 2.3.2 Previous studies about classroom multimodal discourse analysis abroad and athome | 第31-33页 |
| 2.3.2.1 Previous studies about classroom multimodal discourse analysis abroad | 第31-32页 |
| 2.3.2.2 Previous studies about classroom multimodal discourse analysis at home | 第32-33页 |
| Chapter Three Methodology | 第33-36页 |
| 3.1 Research questions | 第33页 |
| 3.2 Research design | 第33-35页 |
| 3.2.1 Subjects | 第33-34页 |
| 3.2.2 Instrument | 第34页 |
| 3.2.3 Data collection and analysis | 第34-35页 |
| 3.3 A proposed framework for MDA | 第35-36页 |
| Chapter Four Results and discussion | 第36-64页 |
| 4.1 The general situation of modality use | 第36-47页 |
| 4.1.1 The analysis of verbal modalities | 第36-38页 |
| 4.1.2 The analysis of nonverbal modalities | 第38-47页 |
| 4.2 The meta-functional meanings achieved by different modalities | 第47-59页 |
| 4.2.1 The analysis of verbal modalities | 第47-49页 |
| 4.2.2 The analysis of nonverbal modalities | 第49-59页 |
| 4.3 The relationship between different modalities in the meaning-making process | 第59-64页 |
| Chapter Five Conclusion | 第64-68页 |
| 5.1 Major findings | 第64-65页 |
| 5.2 Pedagogical implications | 第65-66页 |
| 5.3 Limitations of this study | 第66-67页 |
| 5.4 Suggestions for future study | 第67-68页 |
| References | 第68-72页 |
| Appendixes | 第72-78页 |
| Appendix Ⅰ: Teaching plan of Teacher A | 第72-74页 |
| Appendix Ⅱ: Teaching plan of Teacher B | 第74-76页 |
| Appendix Ⅲ: Teaching plan of Teacher C | 第76-78页 |
