| Chapter One Introduction | 第1-12页 |
| Chapter Two Literature Review | 第12-32页 |
| ·Concepts and theories of presupposition | 第12-27页 |
| ·Definitions and two approaches to presupposition | 第12-22页 |
| ·Properties or characteristics of presupposition | 第22-24页 |
| ·Presupposition triggers | 第24-26页 |
| ·Functions of presupposition | 第26-27页 |
| ·Theories of humor | 第27-30页 |
| ·Definition of Humor in the Essay | 第27-28页 |
| ·Theories of humor | 第28-30页 |
| ·Summary | 第30-32页 |
| Chapter Three An analytical model of the functions of presupposition in humors | 第32-41页 |
| ·Raskin’s linguistic semantic theory of humor | 第32-35页 |
| ·Possible supplements to the theory | 第35-36页 |
| ·An analytical model of the function of presuppositions in humors | 第36-41页 |
| Chapter Four Case analysis----the function of presupposition in humors | 第41-64页 |
| ·The function of semantic presupposition script | 第42-51页 |
| ·The semantic presupposition script functions in a relatively strict sense | 第42-44页 |
| ·The semantic presupposition script functions in a broader sense | 第44-51页 |
| ·The function of the pragmatic presupposition script | 第51-62页 |
| ·The pragmatic presupposition script from common sense | 第52-55页 |
| ·The pragmatic presupposition script from the co-text | 第55-60页 |
| ·Special cases: the script from hidden presuppositions | 第60-62页 |
| ·Summary | 第62-64页 |
| Chapter Five Conclusion | 第64-68页 |
| ·A general summary | 第64-67页 |
| ·Significance of the research | 第67-68页 |
| Bibliography | 第68-69页 |
