| Acknowledgements | 第4-5页 |
| Abstract in English | 第5-6页 |
| Abstract in Chinese | 第7-10页 |
| Chapter One Introduction | 第10-15页 |
| 1.1 Background of the Study | 第10-12页 |
| 1.2 Objective and Significance of the Study | 第12页 |
| 1.3 Research Questions | 第12-13页 |
| 1.4 Data Collection and Analysis | 第13页 |
| 1.5 Structure of the Thesis | 第13-15页 |
| Chapter Two Literature Review | 第15-32页 |
| 2.1 Previous Studies on Humor | 第15-19页 |
| 2.1.1 Definition of Humor | 第15-17页 |
| 2.1.2 Classification of Humor | 第17页 |
| 2.1.3 Theories of Humor | 第17-19页 |
| 2.2 Previous Studies on Verbal Humor | 第19-22页 |
| 2.2.1 Previous Linguistics Studies on Verbal Humor Abroad | 第20-21页 |
| 2.2.2 Previous Linguistics Studies on Verbal Humor at Home | 第21-22页 |
| 2.3 Previous Studies on Pragmatic Presupposition | 第22-26页 |
| 2.3.1 Previous Studies on Pragmatic Presupposition Abroad | 第23-24页 |
| 2.3.2 Previous Studies on Pragmatic Presupposition at Home | 第24-26页 |
| 2.4 Previous Studies on the Sitcom Modern Family | 第26-31页 |
| 2.4.1 An Introduction to Modern Family | 第26-28页 |
| 2.4.2 Previous Pragmatic Studies on Humor in the Sitcom ModernFamily at Home | 第28-31页 |
| 2.5 Summary | 第31-32页 |
| Chapter Three Theoretical Framework | 第32-42页 |
| 3.1 Definition of Presupposition | 第32页 |
| 3.2 Two Approaches to Presupposition | 第32-35页 |
| 3.2.1 Semantic Presupposition | 第32-33页 |
| 3.2.2 Pragmatic Presupposition | 第33-35页 |
| 3.2.3 Summary | 第35页 |
| 3.3 Characteristics of Pragmatic Presupposition | 第35-37页 |
| 3.4 Presupposition Triggers | 第37-40页 |
| 3.5 Summary | 第40-42页 |
| Chapter Four Analysis of Verbal Humors in Modern Family based on PragmaticPresupposition Theory | 第42-80页 |
| 4.1 Presupposition Characteristics of Verbal Humors in Modern Family | 第42-63页 |
| 4.1.1 Mutual Knowledge of Pragmatic Presupposition | 第43-48页 |
| 4.1.2 Defeasibility of Pragmatic Presupposition | 第48-53页 |
| 4.1.3 Appropriateness of Pragmatic Presupposition | 第53-60页 |
| 4.1.4 Subjectivity of Pragmatic Presupposition | 第60-63页 |
| 4.2 Triggering Strategies of Verbal Humors in Modern Family | 第63-77页 |
| 4.2.1 Triggering Verbal Humor by Preserved Presupposition | 第63-67页 |
| 4.2.2 Triggering Verbal Humor by Canceled Presupposition | 第67-71页 |
| 4.2.3 Triggering Verbal Humor by False Presupposition | 第71-74页 |
| 4.2.4 Triggering Verbal Humor by Contradicted Presupposition | 第74-77页 |
| 4.3 Main Factors in Producing Verbal Humors in Modern Family | 第77-79页 |
| 4.3.1 Linguistic Factors | 第77-78页 |
| 4.3.2 Cultural Factors | 第78页 |
| 4.3.3 Situational Factors | 第78-79页 |
| 4.4 Summary | 第79-80页 |
| Chapter Five Conclusion | 第80-83页 |
| 5.1 Major Findings of the Study | 第80-81页 |
| 5.2 Learning Implications | 第81-82页 |
| 5.3 Limitations and Suggestions of the Study | 第82-83页 |
| BIBLIOGRAPHY | 第83-87页 |
| PUBLICATIONS | 第87-88页 |
