文摘
英文文摘
Chapter 1 Introduction
1.1 Background and Aims of thc Thesis
1.2 Organization of the Thesis
Chapter 2 Literature Review of Tense
2.1 Definitions of Tense
2.1.1 Definitions by Scholars Abroad
2.1.2 Definitions by Scholars at Home
2.1.3 Comments on Definitions of Tense
2.2 Different Approaches to Tense
2.2.1 Traditional Approach to Tense
2.2.2 Cognitive Approach to Tense
2.3 Use of Simplc Past Tense
2.3.1 Event Past and State Past
2.3.2 Habitual Use
2.3.3 Use in Narrative
2.3.4 Simple Past Tense in Politeness and Counterfactual Form
Chapter 3 Theoretical Basis---The Prototype Theory
3.1 A Brief Survey of the Prototype Theory
3.1.1 Development of the Prototype Theory
3.1.2 Main Ideas of the Prototype Theory
3.2 A Detailed Study of the Prototype Category
3.2.1 Definition of the Prototype
3.2.2 Characteristics of the Prototype Category
3.2.3 The Non-Prototypical Members of a Category
3.2.4 The Relationship between Prototypical and Non-Prototypical Members
3.2.5 The Extension of a Category
3.2.6 The Mechanisms of the Extension of a Category
3.2.7 Prototypical Effects on Language
Chapter 4 Analysis of Simple Past Tense from the Perspective of Prototype Theory
4.1 Polysemy and Its Use in Non-Lexical Categories
4.2 The Prototypical Use of Simple Past Tense
4.2.1 State Use and Event Use
4.2.2 Habitual Use
4.3 The Non-Prototypical Use of Simple Past Tense
4.3.1 Simple Past Tense Expressing Counter-Factual Sense
4.3.2 Simple Past Tense Used as Pragmatic Softener
4.4 Extension of Simple Past Tense from Prototypical Use to Non-Prototypical Use
4.5 Implications for the Study
4.5.1 About Theory
4.5.2 About Practice
Chapter 5 Conclusion
References
攻读硕士学位期间取得的学术成果
Acknowledgements
