| 摘要 | 第1-5页 |
| Abstract | 第5-8页 |
| Chapter One Introduction | 第8-11页 |
| ·Definition of Cleft Sentences and it-cleft Sentences | 第8-9页 |
| ·Objective and Significance of the Research | 第9-10页 |
| ·Organization of the Thesis | 第10-11页 |
| Chapter Two Previous Studies of it-cleft Sentences and the Teaching Home and Abroad | 第11-20页 |
| ·The Function of the Word it in it-cleft Sentence | 第11-15页 |
| ·The Referential View | 第11-13页 |
| ·The Non-referential View | 第13-15页 |
| ·A Hybrid View | 第15页 |
| ·The Source of it-cleft Sentences | 第15-16页 |
| ·The Information Structure of it-cleft Sentences | 第16-17页 |
| ·Teaching it-cleft Sentences | 第17-19页 |
| ·Summary | 第19-20页 |
| Chapter Three Cognitive Theoretical Basis | 第20-27页 |
| ·Image Schemas and ICM (Idealized Cognitive Model) | 第20-21页 |
| ·Image Schemas | 第20-21页 |
| ·ICM | 第21页 |
| ·Grammaticalization | 第21-24页 |
| ·Definition of Grammaticalization | 第21-22页 |
| ·Motivations of Grammaticalization | 第22-24页 |
| ·Figure and Ground | 第24-26页 |
| ·Figure/ ground Segregation | 第24-26页 |
| ·Prominence in Language | 第26页 |
| ·Summary | 第26-27页 |
| Chapter Four Cognitive Analyses of it-cleft Sentences | 第27-46页 |
| ·Grammaticalization of it-cleft Sentences | 第27-42页 |
| ·Basic Usages of the Word it | 第27-29页 |
| ·Complex Usage of it | 第29-34页 |
| ·Grammaticalization of it-cleft Sentence from Basic Usages of it | 第34-40页 |
| ·Grammaticalization from the Complex Usage of it to it-cleft Sentences | 第40-42页 |
| ·Figure and Ground Analysis of it-cleft Sentences | 第42-45页 |
| ·Summary | 第45-46页 |
| Chapter Five Application of the Cognitive Approach to the Teaching of it-cleft Sentences | 第46-53页 |
| ·Aims of the Empirical Research | 第46页 |
| ·Method of the Empirical Research | 第46-49页 |
| ·Subjects of the Empirical Research | 第47页 |
| ·Materials of the Empirical Research | 第47页 |
| ·Procedures of the Empirical Research | 第47-49页 |
| ·Testing Results | 第49-50页 |
| ·Discussion | 第50-53页 |
| Chapter Six Conclusion | 第53-54页 |
| Bibliography | 第54-57页 |
| Appendix Ⅰ | 第57-59页 |
| Appendix Ⅱ | 第59-62页 |
| Appendix Ⅲ | 第62-64页 |
| Testing Materials | 第62-64页 |
| Appendix Ⅳ | 第64-69页 |
| Results of the test | 第64-69页 |
| 攻读硕士学位期间发表的论文及科研成果 | 第69-70页 |
| Acknowledgements | 第70-71页 |
