| Acknowledgements | 第5-6页 |
| Abstract | 第6-7页 |
| 摘要 | 第8-12页 |
| List of Abbreviations | 第12-15页 |
| Chapter One General Introduction | 第15-21页 |
| 1.1 Background of the study | 第15-16页 |
| 1.2 Scope | 第16-17页 |
| 1.3 Research questions | 第17页 |
| 1.4 Significance of the study | 第17-18页 |
| 1.5 Outline of the thesis | 第18-21页 |
| Chapter Two Literature Review | 第21-31页 |
| 2.1 Studies on the bei-construction in Mandarin C hinese | 第21-25页 |
| 2.2 Studies on the acquisition of passive structures in typically developingchildren | 第25-28页 |
| 2.3 Studies on the acquisition of passive structures in children with SLI | 第28-29页 |
| 2.4 Summary of the review | 第29-31页 |
| Chapter Three Methodology | 第31-43页 |
| 3.1 Subjects | 第31-37页 |
| 3.1.1 The SLI Group | 第32-35页 |
| 3.1.2 The TDA group | 第35-36页 |
| 3.1.3 The TDY group | 第36-37页 |
| 3.2 Materials and data collection | 第37-40页 |
| 3.2.1 Materials | 第37-39页 |
| 3.2.2 Data collection | 第39-40页 |
| 3.3 Data transcription and analysis | 第40-43页 |
| Chapter Four Results | 第43-55页 |
| 4.1 The number of bei-constructions produced by the three groups | 第44-47页 |
| 4.1.1 The total number of bei-constructions | 第45页 |
| 4.1.2 The proportion of long and short passives produced by the threegroups | 第45-46页 |
| 4.1.3 Within- group comparisons of the number of long and short passives | 第46-47页 |
| 4.2 Subject omission in the production of bei-constructions | 第47-49页 |
| 4.3 Resultative verb compounds (RVCs) in the production of bei-constructions | 第49页 |
| 4.4 Errors in the production of bei-constructions | 第49-53页 |
| 4.4.1 Statistics of the erroneous bei-constructions | 第51-52页 |
| 4.4.2 Patterns of the erroneous bei-constructions | 第52-53页 |
| 4.5 Summary | 第53-55页 |
| Chapter Five Discussion | 第55-69页 |
| 5.1 SLI children’s deficit in the acquisition of the bei-construction | 第56-58页 |
| 5.2 The asymmetric acquisition of short passives and long passives | 第58-63页 |
| 5.3 Accounts for the erroneous bei-constructions | 第63-69页 |
| Chapter Six Conclusion | 第69-73页 |
| 6.1 Summary of the thesis | 第69-70页 |
| 6.2 Limitations | 第70-73页 |
| References | 第73-79页 |
| Appendices | 第79-92页 |
| Appendix A | 第79-88页 |
| Appendix B | 第88-92页 |
