| Declaration | 第1-4页 |
| Acknowledgements | 第4-5页 |
| Abstract (English) | 第5-7页 |
| Abstract (Chinese) | 第7-8页 |
| List of Figures and Tables | 第8-14页 |
| Chapter 1 Introduction | 第14-20页 |
| ·General statement | 第14-15页 |
| ·Rationale for the present study | 第15-17页 |
| ·The motivation of the present study | 第15-16页 |
| ·Reasons for adopting grammatical metaphor theory of systemic functional linguistics | 第16-17页 |
| ·Data collection and analysis | 第17页 |
| ·Research questions | 第17-18页 |
| ·Significance of the present study | 第18页 |
| ·Organization of the thesis | 第18-20页 |
| Chapter 2 Literature Review | 第20-28页 |
| ·Overview | 第20页 |
| ·Traditional studies on metaphor and Hallday's study on metaphor | 第20-21页 |
| ·Grammatical metaphor in various discourses | 第21-26页 |
| ·Grammatical metaphor in the discourse of science | 第22页 |
| ·Grammatical metaphor in the discourse of history | 第22-23页 |
| ·Grammatical metaphor in the discourse of geology | 第23页 |
| ·Grammatical metaphor in the discourse of museum brochures | 第23页 |
| ·Grammatical metaphor in the discourse of advertisements | 第23-24页 |
| ·Grammatical metaphor in conversations of literary texts | 第24页 |
| ·Grammatical metaphor in the discourse of news reports | 第24-25页 |
| ·Grammatical metaphor in the discourse of editorials | 第25-26页 |
| ·Comments on previous studies | 第26-27页 |
| ·Summary | 第27-28页 |
| Chapter 3 Theoretical Framework | 第28-49页 |
| ·Overview | 第28页 |
| ·Understanding grammatical metaphor | 第28-29页 |
| ·Elucidation of "congruent form" | 第29-30页 |
| ·Halliday's grammatical metaphor theory | 第30-41页 |
| ·Ideational grammatical metaphor at the initial stage — metaphors of transitivity | 第30-33页 |
| ·Further development of ideational grammatical metaphor | 第33-38页 |
| ·Simplified version of Halliday's new model of ideational grammatical metaphor | 第38-41页 |
| ·Interpersonal grammatical metaphor | 第41-48页 |
| ·Metaphors of mood | 第42-45页 |
| ·Mood and speech functions | 第42页 |
| ·Realization of speech functions and mood metaphors | 第42-45页 |
| ·Metaphors of modality | 第45-48页 |
| ·Modality and metaphors of modality | 第45页 |
| ·Types of modality and orientation of modality | 第45-47页 |
| ·Modality metaphors | 第47-48页 |
| ·Summary | 第48-49页 |
| Chapter 4 Data Collection and Analysis | 第49-82页 |
| ·Overview | 第49页 |
| ·Identification of grammatical metaphors in opinion columns | 第49-50页 |
| ·Identification of ideational grammatical metaphors | 第49页 |
| ·Identification of interpersonal grammatical metaphors | 第49-50页 |
| ·Data collection | 第50-51页 |
| ·Data analysis | 第51-81页 |
| ·Analysis of ideational grammatical metaphor in sample opinion columns | 第52-68页 |
| ·Ideational grammatical metaphor causes downgrading | 第53-56页 |
| ·Consequences of downgrading | 第56-59页 |
| ·Major realization of ideational grammatical metaphor in sample opinion columns — nominalization | 第59-60页 |
| ·Consequences of nominalization | 第60-63页 |
| ·The functions of nominalization | 第63-68页 |
| ·Discursive function | 第63-65页 |
| ·Ideological function | 第65-66页 |
| ·Objective function | 第66-68页 |
| ·Analysis of interpersonal grammatical metaphor in sample opinion columns | 第68-81页 |
| ·Analysis of metaphors of mood in sample opinion columns | 第69-72页 |
| ·Functions of metaphors of mood | 第72-78页 |
| ·Function of interacting with readers | 第73-74页 |
| ·Function of negotiating with readers | 第74-75页 |
| ·Function of eliciting personal opinions | 第75-76页 |
| ·Function of showing politeness | 第76-78页 |
| ·Why not other types of mood metaphors | 第78页 |
| ·Metaphor of modality | 第78-81页 |
| ·Functions of metaphors of modality | 第81页 |
| ·Summary | 第81-82页 |
| Chapter 5 Conclusion | 第82-85页 |
| ·Overview | 第82-83页 |
| ·Implications of the present study | 第83页 |
| ·Limitations of the present study and suggestions for future research | 第83-85页 |
| Bibliography | 第85-89页 |
| Appendix | 第89-90页 |
