| 摘要 | 第1-7页 |
| ABSTRACT | 第7-13页 |
| Introduction | 第13-15页 |
| Chapter 1 The Historical Background | 第15-27页 |
| ·Study of Grammaticalizaion in Early Periods | 第15-16页 |
| ·Recent Study of Grammaticalization | 第16-20页 |
| ·Study of the Grammaticalization of “kan” | 第20-22页 |
| ·Study of the Grammaticalization of “look” | 第22-23页 |
| ·Contrastive Study | 第23-24页 |
| ·Limitations | 第24-27页 |
| Chapter 2 Grammatical Theorie | 第27-47页 |
| ·Grammatical Theories | 第27-39页 |
| ·The Definition of Grammaticalization | 第27-28页 |
| ·Mechanisms of Grammaticalization | 第28-32页 |
| ·Principles of Grammaticalization | 第32-34页 |
| ·Motivations of Grammaticalization | 第34-36页 |
| ·Characteristics of Grammaticalization | 第36-39页 |
| ·A Brief Look of Vision Verbs | 第39-47页 |
| ·The Definition and Classification | 第39-40页 |
| ·Semantic Project of Vision Verbs | 第40-43页 |
| ·Grammaticalization Research and Causes Study | 第43-47页 |
| Chapter 3 Contrastive Study | 第47-79页 |
| ·Grammaticalization of “kan” | 第47-55页 |
| ·Ka-visual action | 第48-49页 |
| ·Kb: Semantic Extension of Ka | 第49-52页 |
| ·Kc: semantic bleaching based on K65 | 第52-55页 |
| ·Grammaticalization of “look” | 第55-59页 |
| ·L1/L2/L3-to indicate visual behavior itself and its purpose and intention | 第56-57页 |
| ·L4- to indicate speaker’s judgment, conjecture and attitude based on observations | 第57-59页 |
| ·L5- to remind or warn | 第59页 |
| ·The Shared Evolving Pathway and Mechanisms | 第59-61页 |
| ·Differences in Semantic Extension | 第61-65页 |
| ·The Process of Semantic Bleaching of “kan” | 第61-63页 |
| ·Semantic Evolution from Ka to Kb | 第62页 |
| ·Semantic Evolution from K65 to Kc | 第62-63页 |
| ·The Process of Semantic Bleaching of “look” | 第63-65页 |
| ·Semantic Evolution from L1 to L2 | 第64页 |
| ·Semantic Evolution from L1 to L3 | 第64-65页 |
| ·Semantic Evolution from L1 to L4 | 第65页 |
| ·Semantic Evolution from L1 to L5 | 第65页 |
| ·Differences in Their Functions | 第65-76页 |
| ·The Functions of “kan” | 第65-76页 |
| ·Tentative Language Particle | 第66-69页 |
| ·Functional Marker to Denote Future Tense | 第69-70页 |
| ·Modal Marker | 第70-73页 |
| ·Discourse Marker | 第73-76页 |
| ·“look”as Discourse Marker | 第76页 |
| ·Different Degree of Grammaticaization | 第76-77页 |
| ·Causes of the Similarities and Differences | 第77-79页 |
| Conclusion | 第79-83页 |
| Bibliography | 第83-89页 |
| Acknowledgments | 第89-91页 |
| Appendix | 第91页 |
