| Abstract | 第3-6页 |
| 摘要 | 第7-17页 |
| Chapter 1 Introduction | 第17-31页 |
| 1.1 Research Purpose | 第19-21页 |
| 1.2 Significance of the Current Study | 第21-23页 |
| 1.3 Methodology | 第23-26页 |
| 1.4 Data Collection | 第26-28页 |
| 1.5 Organization of the Thesis | 第28-31页 |
| Chapter 2 Literature Review | 第31-55页 |
| 2.1 Defining Evidentiality | 第31-36页 |
| 2.1.1 Narrow and Broad Definitions of Evidentiality | 第31-34页 |
| 2.1.2 Evidentiality and Modality | 第34-36页 |
| 2.2 Classifying Evidentiality | 第36-46页 |
| 2.2.1 Classification Models of Evidentiality | 第36-41页 |
| 2.2.1.1 Chafe's Model | 第36-38页 |
| 2.2.1.2 Willett's Model | 第38-39页 |
| 2.2.1.3 Yang's Model | 第39-41页 |
| 2.2.2 Classification Model in this Thesis | 第41-46页 |
| 2.2.2.1 Motivations for Choosing Yang's Model | 第41-43页 |
| 2.2.2.2 Comments on Yang's Model | 第43-45页 |
| 2.2.2.3 Some Necessary Clarifications | 第45-46页 |
| 2.3 Reviewing Evidentiality | 第46-53页 |
| 2.3.1 Previous Studies on Evidentiality at Abroad | 第46-50页 |
| 2.3.2 Previous Studies on Evidentiality at Home | 第50-53页 |
| 2.4 Research Gap for this Thesis | 第53页 |
| 2.5 Summary | 第53-55页 |
| Chapter 3 Theoretical Framework | 第55-66页 |
| 3.1 Modality System and Evidentiality | 第55-59页 |
| 3.2 Appraisal System and Evidentiality | 第59-63页 |
| 3.3 Analytical Framework in the Current Thesis | 第63-64页 |
| 3.4 Summary | 第64-66页 |
| Chapter 4 Lexicogrammatical Description of Evidentiality in EST | 第66-90页 |
| 4.1 Lexicogrammatical Realization Pattern of Evidentiality | 第66-76页 |
| 4.1.1 Sensory Evidential | 第67-68页 |
| 4.1.2 Reporting Evidential | 第68-71页 |
| 4.1.3 Belief Evidential | 第71-73页 |
| 4.1.4 Inferring Evidential | 第73-76页 |
| 4.2 Distribution Pattern of Evidentiality | 第76-85页 |
| 4.2.1 Distributions of Evidential Types | 第76-81页 |
| 4.2.2 Frequencies of Evidential Types | 第81-85页 |
| 4.3 Preferences of Adopting Evidentiality | 第85-89页 |
| 4.4 Summary | 第89-90页 |
| Chapter 5 Semantic Interpretation of Evidentiality in EST | 第90-140页 |
| 5.1 Evidentiality as Modal Responsibility | 第90-113页 |
| 5.1.1 Evidentiality and Orientation | 第93-97页 |
| 5.1.2 Evidentiality and Value | 第97-100页 |
| 5.1.3 Responsibility-taking Degrees of Authorship | 第100-105页 |
| 5.1.4 Other Carriers of Modal Responsibility in Evidentiality | 第105-113页 |
| 5.2 Evidentiality as Heteroglossic Engagement | 第113-138页 |
| 5.2.1 Evidentiality as Dialogic Expansion | 第116-127页 |
| 5.2.1.1 Entertaining in Evidentiality | 第116-119页 |
| 5.2.1.2 Acknowledgement in Evidentiality | 第119-122页 |
| 5.2.1.3 Distancing in Evidentiality | 第122-127页 |
| 5.2.2 Evidentiality as Dialogic Contraction | 第127-138页 |
| 5.2.2.1 Concurrence in Evidentiality | 第129-131页 |
| 5.2.2.2 Endorsement in Evidentiality | 第131-133页 |
| 5.2.2.3 Pronouncement in Evidentiality | 第133-138页 |
| 5.3 Summary | 第138-140页 |
| Chapter 6 A Comparative Study of Evidentiality in ESST and ECST | 第140-163页 |
| 6.1 Necessity of a Comparative Study | 第140-141页 |
| 6.2 Findings of the Comparative Study | 第141-162页 |
| 6.2.1 On Lexicogrammar | 第142-150页 |
| 6.2.2 On Modal Responsibility | 第150-157页 |
| 6.2.3 On Heteroglossic Engagement | 第157-162页 |
| 6.3 Summary | 第162-163页 |
| Chapter 7 Conclusion | 第163-177页 |
| 7.1 Major Findings | 第163-174页 |
| 7.1.1 Evidentiality as a Way of Knowledge Construction in EST | 第164-165页 |
| 7.1.2 Evidentiality as a Means of Knowledge Objectivation in EST | 第165-168页 |
| 7.1.2.1 Modal Meaning | 第166-167页 |
| 7.1.2.2 Evaluative Meaning | 第167-168页 |
| 7.1.3 Differentiation between ESST and ECST | 第168-172页 |
| 7.1.4 Stratified Relation between Evidentiality and EST Sub-genres | 第172-174页 |
| 7.2 Limitations of the Current Study | 第174-175页 |
| 7.3 Suggestions for Further Exploration | 第175-177页 |
| References | 第177-185页 |
| Appendix 1 Information on Data Sources | 第185-189页 |
| Appendix 2 Sampling of Data-coding | 第189-192页 |
| Appendix 3 Evidentials Investigated Statistically in This Thesis | 第192-199页 |
| Acknowledgements | 第199-201页 |
| Academic Experiences during the Pursuit of M.A. Degree | 第201-202页 |
