| 摘要 | 第5-6页 |
| Abstract | 第6-7页 |
| List of Tables | 第8-11页 |
| Chapter One Introduction | 第11-15页 |
| 1.1 Research Background | 第11-12页 |
| 1.2 Significance of the Study | 第12-14页 |
| 1.3 Outline of the Study | 第14-15页 |
| Chapter Two Literature Review | 第15-31页 |
| 2.1 Definition and Classification of Formulaic Sequences | 第15-19页 |
| 2.1.1 Definition of Formulaic Sequences | 第15-17页 |
| 2.1.2 Classification of Formulaic Sequences | 第17-19页 |
| 2.2 The Co-selection Theory and Formulaic Sequences | 第19-20页 |
| 2.3 The Role of Formulaic Sequences in Writing | 第20-23页 |
| 2.3.1 Formulaic Sequences can Improve Writing Fluency | 第21页 |
| 2.3.2 Formulaic Sequences can Improve Language Idiomaticity | 第21-22页 |
| 2.3.3 Formulaic sequences can foster discourse organization ability | 第22-23页 |
| 2.4 Research in the Field of Corpus | 第23-31页 |
| 2.4.1 Definition and Classification of Corpora | 第24-25页 |
| 2.4.2 Definition of Corpus Linguistics | 第25-26页 |
| 2.4.3 Representative Studies Abroad | 第26-28页 |
| 2.4.4 Representative Studies at Home | 第28-31页 |
| Chapter Three Research Methodology | 第31-39页 |
| 3.1 Research questions | 第31页 |
| 3.2 The Corpus Involved | 第31-32页 |
| 3.3 The Software Used | 第32-33页 |
| 3.4 Retrieval of Formulaic Sequences | 第33-37页 |
| 3.4.1 The Criteria for Selecting Targeted Formulaic Sequences | 第33-34页 |
| 3.4.2 Corpus Concordance Software | 第34-37页 |
| 3.5 Data Processing and Analyzing | 第37-38页 |
| 3.6 Summary | 第38-39页 |
| Chapter 4 Results and Discussion | 第39-54页 |
| 4.1 The Distribution of Formulaic Sequences | 第39-47页 |
| 4.1.1 Descriptive Statistics of Formulaic Sequences | 第39-41页 |
| 4.1.2 Distribution of Different Categories of Formulaic Sequences within Each Group | 第41-43页 |
| 4.1.3 Comparative Analysis of Four types Of Formulaic Sequences between the Two Groups | 第43-46页 |
| 4.1.4 Results of Chi-square Tests | 第46-47页 |
| 4.2 Analysis of the functions of formulaic sequences | 第47-54页 |
| 4.2.1 The Most Frequently-Used Formulaic Sequences | 第48-49页 |
| 4.2.3 Comparative Analysis of the Functions of the Formulaic Sequences | 第49-54页 |
| Chapter Five Conclusion | 第54-60页 |
| 5.1 Findings of this research | 第54-55页 |
| 5.2 Pedagogical Implications | 第55-58页 |
| 5.2.1 Raising Students' Awareness of Formulaic Sequences | 第55-56页 |
| 5.2.2 Increasing the Input of Useful Formulaic Sequences in Teaching Materials | 第56-57页 |
| 5.2.3 Enhancing the Teaching of Indicative Discourse Organizers and Fostering the Native Way of Thinking | 第57页 |
| 5.2.4 Combining Grammar with Lexis in Language Teaching | 第57-58页 |
| 5.3 Limitations of the Present Study | 第58页 |
| 5.4 Suggestions for further research | 第58-60页 |
| References | 第60-64页 |
| Acknowledgements | 第64-65页 |
| 个人简历 | 第65页 |
| 发表文章及科研项目目录 | 第65-66页 |
