文摘
英文文摘
论文说明：List of Figures and Tables
声明
Chapter 1 Introduction
1.1 A General Description of the Study
1.2 Research Methods and Research Questions
1.3 Purpose and Significance of the Study
1.4 Format of the Thesis
Chapter 2 Literature Review and Theoretical Framework
2.1 Concept of Modality
2.2 Influential Theories on Modality
2.2.1 Halliday's Theories from Systemic-Functional Grammar Approach
2.2.2 Palmer's Theories from Semantics Approach
2.2.3 Sweetser's Theories from Cognitive Approach
2.3 Recent Studies on Modality
Chapter 3 Research Methodology
3.1 An Introduction of News Text
3.1.1 Classification of News Text
3.1.2 Definition of Hard News
3.2 Data Source and Collection
3.3 Analysis Method
3.4 Perspectives of Analysis
3.4.1 Type Perspective
3.4.2 Value Perspective
3.4.3 Orientation Perspective
3.4.4 Polarity Perspective
3.5 Procedures of the Analysis
Chapter 4 Analysis and Discussion
4.1 Distribution of Modality Expressions in News Text
4.2 On the Perspective of Type
4.2.1 Modalization
4.2.2 Modulation
4.3 On the Perspective of Value
4.3.1 Median
4.3.2 High
4.3.3 Low
4.4 On the Perspective of Orientation
4.4.1 Subjective Explicit
4.4.2 Subjective Implicit
4.4.3 Objective Explicit
4.4.4 Objective Implicit
4.5 On the Perspective of Polarity
4.5.1 Positive
4.5.2 Negative
Chapter 5 Conclusion and Implication
5.1 Major Findings of the Study
5.2 Implications
5.3 Limitations and Suggestions for Future Study
References
Appendix
Acknowledgements
Resume
