| Abstract | 第4-6页 |
| 摘要 | 第8-13页 |
| Introduction | 第13-19页 |
| 0.1 Research Background | 第13-15页 |
| 0.2 Research Questions | 第15页 |
| 0.3 Research Methods | 第15-16页 |
| 0.4 Organization of the Thesis | 第16-19页 |
| Chapter 1 Literature Review | 第19-35页 |
| 1.1 Previous Studies of Counterfactuality in English Conditionals | 第19-30页 |
| 1.1.1 Studies from a Philosophical Point of View | 第20-23页 |
| 1.1.2 Studies from a Linguistic Point of View | 第23-30页 |
| 1.1.2.1 Traditional Grammarians' views | 第23-25页 |
| 1.1.2.2 Cognitive Views | 第25-30页 |
| 1.2 Comments on the Previous Studies of Counterfactuality in English Conditionals | 第30-33页 |
| 1.2.1 Merits of the Previous Studies of Counterfactuality in English Conditionals | 第30-32页 |
| 1.2.2 Demerits of the Previous Studies of Counterfactuality in English Conditionals | 第32-33页 |
| 1.3 Summary | 第33-35页 |
| Chapter 2 Theoretical Foundation | 第35-53页 |
| 2.1 Background of Conceptual Blending Theory | 第35-37页 |
| 2.2 The Mechanism of CB | 第37-51页 |
| 2.2.1 The Basic Diagram of Blending Network and its Process | 第38-42页 |
| 2.2.2 Governing Principles of Conceptual Blending | 第42-44页 |
| 2.2.3 A Taxonomy of Blending Networks | 第44-51页 |
| 2.3 Summary | 第51-53页 |
| Chapter 3 Counterfactuality in English Conditionals and Its Categorization | 第53-69页 |
| 3.1 Counterfactual Thinking and Counterfactuality | 第53-57页 |
| 3.2 Categorization of Counterfactuality in English Conditionals | 第57-66页 |
| 3.2.1 Criteria--the Three Domains | 第57-59页 |
| 3.2.2 Three Types of Counterfactuality in English Conditionals | 第59-66页 |
| 3.2.2.1 The Physical-social Counterfactuality in English Conditionals | 第59-62页 |
| 3.2.2.2 The Epistemic Counterfactuality in English Conditionals | 第62-64页 |
| 3.2.2.3 The Speech-act Counterfactuality in English Conditionals | 第64-66页 |
| 3.3 Summary | 第66-69页 |
| Chapter 4 The Construction of Counterfactuality in English Conditionals with CB and its Pragmatic Functions in Context | 第69-89页 |
| 4.1 The Construction of the Physical-social Counterfactuality and its Pragmatic Functions | 第70-81页 |
| 4.1.1 The Construction of Agent-change Counterfactuality and its Pragmatic Functions | 第71-76页 |
| 4.1.2 The Construction of Situation-change Counterfactuality and its Pragmatic Functions | 第76-79页 |
| 4.1.3 The Construction of Time-change and Space-change Counterfactuality and its Pragmatic Functions | 第79-81页 |
| 4.2 The Construction of the Epistemic Counterfactuality and its Pragmatic Functions | 第81-83页 |
| 4.3 The Construction of the Speech-act Counterfactuality and its Pragmatic Functions | 第83-86页 |
| 4.4 Summary | 第86-89页 |
| Conclusion | 第89-95页 |
| Bibliography | 第95-101页 |
| Appendix | 第101-103页 |
| Acknowledgments | 第103-105页 |
