| Acknowledgement | 第3-4页 |
| 摘要 | 第4-5页 |
| ABSTRACT | 第5-6页 |
| List of Abbreviations | 第12-13页 |
| Chapter One Introduction | 第13-17页 |
| 1.1 Research Background | 第13-15页 |
| 1.2 Research Objectives and Significance | 第15-16页 |
| 1.3 Organization of the Study | 第16-17页 |
| Chapter Two Theoretical Framework | 第17-31页 |
| 2.1 The Unaccusative Hypothesis (UH) | 第17-19页 |
| 2.2 The Unaccusative Trap Hypothesis (UTH) | 第19-21页 |
| 2.3 The Unaccusative Hierarchy Hypothesis (UHH) | 第21-22页 |
| 2.4 Comparison between English and Chinese Unaccusative Verbs | 第22-26页 |
| 2.4.1 Similarities between English and Chinese Unaccusative Verbs | 第23-24页 |
| 2.4.2 Differences between English and Chinese Unaccusative Verbs | 第24-26页 |
| 2.5 The Syntactic Diagnostics of Unaccusative Verbs in English | 第26-29页 |
| 2.6 Summary | 第29-31页 |
| Chapter Three Literature Review | 第31-45页 |
| 3.1 Previous Studies on the Overpassivization Phenomenon | 第31-35页 |
| 3.1.1 Accounts for Overpassivization Error from the Perspective of L1 | 第31-32页 |
| 3.1.2 Accounts for Overpassivization Error from the Perspective of Transitivization Hypothesis | 第32-33页 |
| 3.1.3 Accounts for Overpassivization Error from Semantic and Cognitive Perspectives | 第33-35页 |
| 3.2 Previous Studies on the Developmental Pattern of L2 Unaccusativity | 第35-42页 |
| 3.2.1 Studies Based on Corpus Data | 第35-38页 |
| 3.2.2 Studies Based on Empirical Data | 第38-42页 |
| 3.3 Summary and Unresolved Issues in the Previous Studies | 第42-45页 |
| Chapter Four Research Methodology | 第45-53页 |
| 4.1 Research Questions | 第45-46页 |
| 4.2 Subjects | 第46-47页 |
| 4.3 Tasks and Materials | 第47-50页 |
| 4.3.1 Grammatical Judgment Task A (GJTA) | 第47-48页 |
| 4.3.2 Grammatical Judgment Task B (GJTB) | 第48-50页 |
| 4.4 Data Collection | 第50-51页 |
| 4.5 Data Scoring | 第51页 |
| 4.6 Procedures for Data Analysis | 第51-53页 |
| Chapter Five Results and Discussion | 第53-71页 |
| 5.1 Results from GJTA | 第53-60页 |
| 5.1.1 NP-V | 第53-58页 |
| 5.1.2 NP-Be-Ven | 第58-60页 |
| 5.2 Results from GJTB | 第60-66页 |
| 5.2.1 Resultative Construction | 第61-63页 |
| 5.2.2 There-insertion Construction | 第63-66页 |
| 5.3 Summary of the Results | 第66-68页 |
| 5.4 Discussion | 第68-71页 |
| 5.4.1 The Distinction between Unaccusative Verbs and Unergative Verbs | 第68-69页 |
| 5.4.2 The Sensitivity to the Unaccusative Hierarchy | 第69页 |
| 5.4.3 The Knowledge Development | 第69-71页 |
| Chapter Six Conclusion | 第71-75页 |
| 6.1 Major Findings | 第71-72页 |
| 6.2 Implications | 第72-73页 |
| 6.2.1 Theoretical Implications | 第72页 |
| 6.2.2 Pedagogical Implications | 第72-73页 |
| 6.3 Limitations of Present Study and Suggestions for Future Study | 第73-75页 |
| References | 第75-79页 |
| Appendix | 第79-88页 |