| Abstract | 第5页 |
| 摘要 | 第6-9页 |
| Chapter one Introduction | 第9-14页 |
| 1.1 Background | 第9-10页 |
| 1.2 Significance and purpose | 第10-13页 |
| 1.3 Structure of the study | 第13-14页 |
| Chapter two Literature review | 第14-26页 |
| 2.1 Definitions | 第14-16页 |
| 2.1.1 Frequency and input frequency | 第14-15页 |
| 2.1.2 Phrasal verbs | 第15页 |
| 2.1.3 Verbatim repetition and varied Repetition | 第15-16页 |
| 2.2 Previous researches on input frequency and phrasal verbs both abroad and at home | 第16-20页 |
| 2.2.1 Studies on input frequency abroad | 第16-18页 |
| 2.2.2 Studies on input frequency at home | 第18-19页 |
| 2.2.3 Studies on phrasal verbs abroad | 第19-20页 |
| 2.2.4 Studies on phrasal verbs at home | 第20页 |
| 2.2.5 Studies on input frequency on phrasal verbs | 第20页 |
| 2.3 Theoretical background | 第20-24页 |
| 2.3.1 Input hypothesis | 第20-21页 |
| 2.3.2 Theories of frequency effects in SLA | 第21-24页 |
| 2.4 Some arguments in frequency | 第24-26页 |
| Chapter three Research methodology | 第26-33页 |
| 3.1 Research questions | 第26页 |
| 3.2 Subjects | 第26-27页 |
| 3.3 Instruments | 第27-32页 |
| 3.3.1 Test | 第27-31页 |
| 3.3.2 Interview | 第31-32页 |
| 3.4 Data collection | 第32-33页 |
| Chapter four Results and discussions | 第33-59页 |
| 4.1 The effects of input frequency on college students’ acquisition of phrasal verbs | 第33-40页 |
| 4.1.1 The effects of input frequency on college students’ acquisition of phrasal verbs ingroup A | 第33-36页 |
| 4.1.2 The effects of input frequency on college students’ acquisition of phrasal verbs ingroup B | 第36-40页 |
| 4.2 The effects of input frequency on college students’ acquisition of receptive and productiveknowledge of phrasal verbs | 第40-49页 |
| 4.2.1 The effects of input frequency on college students’ acquisition of receptiveknowledge of phrasal verbs | 第41-43页 |
| 4.2.2 The effects of input frequency on college students’ acquisition of productiveknowledge of phrasal verbs | 第43-46页 |
| 4.2.3 Differences in college students’ acquisition of receptive and productive knowledgeof phrasal verbs due to the effects of input frequency | 第46-49页 |
| 4.3 The effects of input frequency on college students’ acquisition of phrasal verbs in themode of verbatim repetition and varied repetition | 第49-59页 |
| Chapter five Conclusion | 第59-65页 |
| 5.1 Major findings | 第59-61页 |
| 5.2 Pedagogical implication | 第61-63页 |
| 5.3 Limitations of this study | 第63页 |
| 5.4 Suggestions for future study | 第63-65页 |
| Bibliography | 第65-72页 |
| AppendixⅠ: Reading Materials for Two Groups | 第72-79页 |
| Appendix Ⅱ: Test Papers | 第79-87页 |
| Appendix Ⅲ: The Outline of Interview for Students | 第87-88页 |
| Acknowledgements | 第88-89页 |
| The list of the research papers published by the author | 第89-90页 |
