| 摘要 | 第5-6页 |
| Abstract | 第6-7页 |
| Chapter One Introduction | 第10-16页 |
| 1.1 The Objectives of the Study | 第10-13页 |
| 1.2 The Research Methods of the Study | 第13-14页 |
| 1.3 Structure of the Study | 第14-16页 |
| Chapter Two Literature Review | 第16-33页 |
| 2.1 Previous Study of If-Conditionals | 第16-28页 |
| 2.1.1 Logic-Semantic Approach | 第16-21页 |
| 2.1.2 Functional-Pragmatic Approach | 第21-24页 |
| 2.1.3 Cognitive Approach | 第24-28页 |
| 2.2 Previous Study of RUGUO(如果)Conditionals | 第28-33页 |
| 2.2.1 Approaches of Studying Chinese Conditionals | 第30-33页 |
| Chapter Three Prototype Theory | 第33-37页 |
| 3.1 The Classical Category Theory | 第33-34页 |
| 3.2 The Appreciation of Protype Theory | 第34-37页 |
| Chapter Four English and Chinese Prototypical Conditionals | 第37-51页 |
| 4.1 Criteria of Prototypical Conditionals | 第37-46页 |
| 4.1.1 Objectivity of the Content of Conditions | 第38-41页 |
| 4.1.2 The Correlation between Conditions and Conclusions | 第41-42页 |
| 4.1.3 Realizability and Time Dimension of Conditions | 第42-44页 |
| 4.1.4 Sentence Order | 第44-46页 |
| 4.2 English and Chinese Prototypical Conditionals | 第46-50页 |
| 4.2.1 Prototypical English If-conditionals | 第46-48页 |
| 4.2.2 Prototypical Chinese RUGUO(如果)-conditionals | 第48页 |
| 4.2.3 The Contrast between English/Chinese Prototypical Conditionals | 第48-50页 |
| 4.2.3.1 Differenc-es in Context Dependency | 第49-50页 |
| 4.3 Summary | 第50-51页 |
| Chapter Five English/Chinese Non-prototypical Conditionals | 第51-72页 |
| 5.1 The Broadening Ways of English Non-prototypical Conditionals | 第51-58页 |
| 5.1.1 Decrease and Alienation of Conditions | 第51-55页 |
| 5.1.2 Deviation of the Semantic Correlation | 第55-56页 |
| 5.1.3 Time Order and Sentence Order of Clauses | 第56-58页 |
| 5.2 The Broadening Ways of Chinese Non-prototypical Conditionals | 第58-63页 |
| 5.2.1 Decrease and Alienation of Conditions | 第58-60页 |
| 5.2.2 Deviation of Truth Value and Semantic Correlation | 第60-61页 |
| 5.2.3 Time Order and Sentence Order of Clauses | 第61-62页 |
| 5.2.4 The Indicated Time of the Context | 第62-63页 |
| 5.3 Contrast of Broadening Ways of English/Chinese Non-prototypical Conditionals | 第63-70页 |
| 5.3.1 Unreal Conditions in Conditionals | 第63-67页 |
| 5.3.1.1 The Fuzziness of Conditions | 第63-65页 |
| 5.3.1.2 The Common Broadening Way:Metonymy | 第65-67页 |
| 5.3.2 Differences in Broadening Ways of English/Chinese Conditionals | 第67-70页 |
| 5.3.2.1 Difference in Counterfactual Expression Way | 第67-69页 |
| 5.3.2.2 RUGUO(如果),RUGUOSHUO(如果说)and IF | 第69-70页 |
| 5.4 Summary | 第70-72页 |
| Chapter Six Conclusion | 第72-76页 |
| 6.1 Major Findings and Implications of the Thesis | 第72-75页 |
| 6.2 Limitations of the Thesis | 第75-76页 |
| Bibliography | 第76-82页 |
| Acknowledgements | 第82-83页 |
| 个人简历 | 第83页 |
| 攻读硕士学位期间发表的学术论文 | 第83页 |
