| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第7-12页 |
| Chapter 1 Introduction | 第12-15页 |
| ·Overview | 第12页 |
| ·Significance of the thesis | 第12-14页 |
| ·Organization of the thesis | 第14-15页 |
| Chapter 2 Literature Review | 第15-31页 |
| ·Definition of formulaic sequences | 第15-18页 |
| ·Taxonomy of formulaic sequences | 第18-24页 |
| ·Structural oriented classification | 第18-22页 |
| ·Functional oriented classification | 第22-24页 |
| ·Role of formulaic sequences in SLA | 第24-27页 |
| ·Support L2 development | 第24-25页 |
| ·Facilitate L2 production | 第25-26页 |
| ·Achieve social interactional goals | 第26-27页 |
| ·Theories related to the study | 第27-28页 |
| ·Related empirical studies in L2 speaking proficiency | 第28-31页 |
| Chapter 3 Methodology | 第31-35页 |
| ·Research questions and hypotheses | 第31页 |
| ·Material | 第31-33页 |
| ·A description of SWECCL | 第31-32页 |
| ·A description of TEM-4 oral test | 第32-33页 |
| ·A description of Task 2 in TEM-4 oral test in 2002 | 第33页 |
| ·Data analysis | 第33-35页 |
| ·Divide speakers into two groups | 第33页 |
| ·Identify and categorize formulaic sequences | 第33-34页 |
| ·Count word number | 第34页 |
| ·Calculate frequency and distribution of formulaic sequences | 第34页 |
| ·Analyse data | 第34-35页 |
| Chapter 4 Results and Discussion | 第35-47页 |
| ·General description | 第35页 |
| ·Frequency of formulaic sequences across two groups | 第35-39页 |
| ·Similarities in formulaic sequences' frequency across two groups | 第36-37页 |
| ·Differences in formulaic sequences' frequency across two groups | 第37-39页 |
| ·Distribution of formulaic sequences across two groups | 第39-43页 |
| ·Similarities in formulaic sequences' distribution across two groups | 第39-41页 |
| ·Differences in formulaic sequences' distribution across two groups | 第41-43页 |
| ·The relationship between the use of formulaic sequences and L2 speaking proficiency across two groups | 第43-47页 |
| Chapter 5 Conclusion | 第47-53页 |
| ·Major findings | 第47-48页 |
| ·Pedagogical implications | 第48-51页 |
| ·Limitations of present study | 第51页 |
| ·Suggestions for future study | 第51-53页 |
| Bibliography | 第53-57页 |
| Appendix 1 | 第57-59页 |
| Appendix 2 | 第59-61页 |
| Papers Published | 第61页 |
