| Acknowledgments | 第1-5页 |
| Abstract | 第5-6页 |
| 摘要 | 第6-10页 |
| Chapter 1 Introduction | 第10-17页 |
| ·Research orientation | 第10页 |
| ·Literature review | 第10-12页 |
| ·The rationale of the study | 第12-14页 |
| ·Organization of the thesis | 第14-17页 |
| Chapter 2 Theoretical Foundations | 第17-35页 |
| ·Three perspectives in cognitive linguistics | 第17-21页 |
| ·The experiential view | 第18-19页 |
| ·The prominence view | 第19-20页 |
| ·The attentional view | 第20-21页 |
| ·Orientational metaphor studies in cognitive linguistics | 第21-25页 |
| ·Metaphorical mapping | 第21-22页 |
| ·Lakoff and Johnson's theory | 第22-25页 |
| ·The embodied philosophy and the polysemy of vocabulary | 第25-28页 |
| ·Three basic principles of the embodied philosophy | 第25-26页 |
| ·The power of the embodied philosophy in accounting for polysemy of vocabulary | 第26-28页 |
| ·Cognitive methods | 第28-33页 |
| ·The trajector-landmark distinction | 第28-30页 |
| ·Image-schema | 第30-33页 |
| ·Summary | 第33-35页 |
| Chapter 3 The Polysemy of across & on and Their Motivations | 第35-46页 |
| ·The polysemy of the orientational word "across" | 第35-42页 |
| ·The initial meaning of the orientational word "across" | 第35-36页 |
| ·The extended meaning (1) of the orientational word "across" | 第36-37页 |
| ·The extended meaning (2) of the orientational word "across" | 第37-39页 |
| ·The extended meaning (3) of the orientational word "across" | 第39-40页 |
| ·The extended meaning (4) of the orientational word "across" | 第40-41页 |
| ·Summary | 第41-42页 |
| ·The polysemy of the orientational word "on" | 第42-46页 |
| ·The meaning in space | 第42-43页 |
| ·The meaning in time | 第43-44页 |
| ·The meaning in reasoning | 第44页 |
| ·The meaning in interpersonal relation | 第44-45页 |
| ·Summary | 第45-46页 |
| Chapter 4 Image Schema and Collocations of "To" and "For" with Verbs | 第46-58页 |
| ·Characteristics of image schema | 第47-49页 |
| ·Advantages for acquisition of orientational words | 第49-50页 |
| ·The Image schema of "to" and "for" and the motivations for collocations with verbs carrying double objects | 第50-51页 |
| ·Motivations for the collocations of "to" and "for" in the transforming of the Double Objects Structures | 第51-54页 |
| ·Collocation with other verbs | 第54-57页 |
| ·Summary | 第57-58页 |
| Chapter 5 Conclusion | 第58-60页 |
| ·Findings | 第58-59页 |
| ·Applicative Prospect | 第59-60页 |
| References | 第60-66页 |
| 攻读学位期间研究成果 | 第66页 |
