| ACKNOWLEDGEMENTS | 第5-6页 |
| 摘要 | 第6-8页 |
| ABSTRACT | 第8-9页 |
| Chapter One INTRODUCTION | 第14-20页 |
| 1.1 Background of the Study | 第14-16页 |
| 1.2 Significance and Purpose of the Study | 第16-19页 |
| 1.3 Structure of the Thesis | 第19-20页 |
| Chapter Two LITERATURE REVIEW | 第20-39页 |
| 2.1 Formulaic Sequences | 第20-25页 |
| 2.2 Mental Lexicon | 第25-31页 |
| 2.2.1 What is mental lexicon? | 第25-27页 |
| 2.2.2 Factors influencing the representation of L2 mental lexicon | 第27-31页 |
| 2.2.2.1 Language proficiency | 第28-29页 |
| 2.2.2.2 Word frequency | 第29-31页 |
| 2.3 Processing Models of Formulaic Sequences | 第31-33页 |
| 2.4 Related Studies | 第33-38页 |
| 2.5 Summary | 第38-39页 |
| Chapter Three METHODOLOGY | 第39-47页 |
| 3.1 Research Questions | 第39页 |
| 3.2 Subjects | 第39-40页 |
| 3.3 Materials | 第40页 |
| 3.4 Instruments | 第40-42页 |
| 3.4.1 The gap-filling task of 24 utterances | 第40-42页 |
| 3.4.2 The L2 frequency checking task | 第42页 |
| 3.5 Procedures | 第42-46页 |
| 3.6 Data Analysis | 第46-47页 |
| Chapter Four RESULTS AND DISCUSSION | 第47-58页 |
| 4.1 Effects of Language Proficiency on the Learners’ Mental Representation ofFormulaic Sequences | 第47-50页 |
| 4.1.1 Description of the mental representation of the formulaic sequences inthe two groups | 第47-49页 |
| 4.1.2 Differences of the mental representation between the two groups | 第49-50页 |
| 4.2 Effects of Language Frequency on the Learners’ Mental Representation ofFormulaic Sequences | 第50-54页 |
| 4.2.1 Effects of frequency on the mental representation of the formulaicsequences for each proficiency group | 第51-53页 |
| 4.2.2 Relation between the mental representation of the formulaic sequencesand the frequency of formulaic sequences | 第53-54页 |
| 4.3 Relation Between Language Proficiency, Frequency of Use and the Accuracyof Formulaic Sequences | 第54-58页 |
| Chapter Five CONCLUSION | 第58-63页 |
| 5.1 Major Findings | 第58-59页 |
| 5.2 Pedagogical Implications | 第59-61页 |
| 5.3 Limitations and Recommendations | 第61-63页 |
| References | 第63-70页 |
| Appendix One 24 test utterances | 第70-72页 |
| Appendix Two L2 frequency checking list | 第72-73页 |
