| ABSTRACT | 第1-4页 |
| 摘要 | 第4-9页 |
| Chapter One Introduction | 第9-14页 |
| ·The Background of This Research | 第9-11页 |
| ·Purpose of This Research | 第11-12页 |
| ·Overview of the Present Research | 第12-14页 |
| Chapter Two:Literature Review | 第14-29页 |
| ·Theoretical Review:Various Definitions of Lexical Bundles | 第14-16页 |
| ·The Structural Classification of Lexical Bundles | 第16-18页 |
| ·Altenberg's Structural Classification of Recurrent Word-combinations | 第17页 |
| ·Nattinger and DeCarrico's Structural Classification of Recurrent Word-combinations | 第17-18页 |
| ·Biber et al's Structural Classification of Lexical Bundles | 第18页 |
| ·The Functional Classification of Lexical Bundles | 第18-20页 |
| ·Wray's Functional Classification of Formulaic Sequences | 第18-19页 |
| ·Nattinger and DeCarrico's Functional Classification of Lexical Phrases | 第19页 |
| ·Biber's Functional Classification of Lexical Bundles | 第19-20页 |
| ·Hyland's Functional Classification of Lexical Bundles | 第20页 |
| ·Empirical Researches on Lexical Bundles in Academic Context | 第20-28页 |
| ·Corpus-based Researches on Lexical Bundles of Native Speakers | 第21-24页 |
| ·Corpus-based Researches on Lexical Bundles of Chinese EFL Learners | 第24-25页 |
| ·Contrastive Researches on Lexical Bundles between Native and Non-native English Speakers | 第25-28页 |
| ·The Focus of This Research | 第28-29页 |
| Chapter Three Methodology | 第29-35页 |
| ·A Hybrid Methodology | 第29-30页 |
| ·Corpora Used for This Research | 第30-31页 |
| ·The Corpus Tool Used in This Research | 第31-32页 |
| ·Procedures of Identifying Target Bundles | 第32-35页 |
| ·The Size of Target Lexical Bundles | 第32-33页 |
| ·Frequency and Distribution Thresholds of Four-word Lexical Bundles | 第33页 |
| ·Identification of Target Bundles with AntConc3.2.4 | 第33-35页 |
| Chapter Four Results and Analysis | 第35-70页 |
| ·Overall Distribution of Lexical Bundles in Two Corpora | 第35-38页 |
| ·Structural Patterns of Bundles in Two Corpora | 第38-41页 |
| ·Structural Classification of Frequent Lexical Bundles in Two Corpora | 第38-40页 |
| ·Structural Comparison of Frequent Lexical Bundles in Two Corpora | 第40-41页 |
| ·Functional Patterns of Bundles in Two Corpora | 第41-70页 |
| ·Functional Classification of Frequent Lexical Bundles in Two Corpora | 第42-46页 |
| ·Functional Patterns in Chinese EFL Learner Corpus(CLC) | 第44-46页 |
| ·Functional Patterns in NS Experr Corpus(NSEC) | 第46页 |
| ·Functional Comparison of Frequent Lexical Bundles in Two Corpora | 第46-70页 |
| ·Overall Functional Disribution of Four-word Lexical Bundles in Two Corpora | 第47页 |
| ·Similarities and Differences between the Most Frequently-used Bundles in Two Corpora | 第47-70页 |
| Chapter Five Conclusion | 第70-77页 |
| ·The Major Findings of This Research | 第70-73页 |
| ·Pedagogical Implications of This Research | 第73-75页 |
| ·Limitations of This Research | 第75-77页 |
| Bibliography | 第77-81页 |
| Appendix 1 | 第81-85页 |
| Appendix 2 | 第85-87页 |
| Appendix 3 | 第87-90页 |
| Acknowledgements | 第90-92页 |
