| Acknowledgements | 第5-6页 |
| 摘要 | 第6-7页 |
| Abstract | 第7页 |
| List of Abbreviations | 第8-13页 |
| Chapter One Introduction | 第13-17页 |
| 1.1 Background of the Study | 第13-14页 |
| 1.2 Purpose of the Study | 第14页 |
| 1.3 Significance of the Study | 第14-16页 |
| 1.3.1 Theoretical Significance | 第14-15页 |
| 1.3.2 Methodological Significance | 第15页 |
| 1.3.3 Pedagogical Significance | 第15-16页 |
| 1.4 Organization of the Thesis | 第16-17页 |
| Chapter Two Literature Review | 第17-22页 |
| 2.1 Studies on L2 Writing and Interlanguage | 第17页 |
| 2.2 Studies on Related Corpus-based Researches | 第17-18页 |
| 2.3 Previous Studies on Dependency Grammar and Related Researches | 第18-21页 |
| 2.3.1 The Development of Dependency Grammar | 第19页 |
| 2.3.2 Dependency Relation,Dependency Distance and Dependency Direction | 第19-20页 |
| 2.3.3 Related Researches | 第20-21页 |
| 2.4 Previous Studies on Subject and Object | 第21-22页 |
| Chapter Three Research Methodology | 第22-29页 |
| 3.1. Research questions | 第22页 |
| 3.2 Participants | 第22-23页 |
| 3.3 Procedures for Data Collection | 第23-24页 |
| 3.3.1 Implementing Writing Tasks | 第23页 |
| 3.3.2 Data Selection | 第23-24页 |
| 3.3.3 Sampling | 第24页 |
| 3.4 Constructing the Treebank | 第24-26页 |
| 3.4.1 Automatic Part-of-Speech Tagging | 第25页 |
| 3.4.2 Automatic Dependency Relations Tagging | 第25页 |
| 3.4.3 Manual Dependency Relations Checking | 第25-26页 |
| 3.4.4 Manual Error Tagging | 第26页 |
| 3.5 Corpus Tools to be Used | 第26-27页 |
| 3.5.1 Stanford Parser | 第26-27页 |
| 3.5.2 Excel | 第27页 |
| 3.5.3 SPSS | 第27页 |
| 3.6 Data Analysis | 第27-29页 |
| 3.6.1 Specific Procedures of Measuring MDD in Different Grades | 第27-28页 |
| 3.6.2 Statistical Analysis | 第28-29页 |
| Chapter Four Developmental Features of Syntactic Performance in L2 Writing | 第29-60页 |
| 4.1 Overall Developmental Features of Dependency Relations | 第29-31页 |
| 4.1.1 Description of Overall Dependency Distance at Different Levels | 第29-30页 |
| 4.1.2 Discussion on the Developmental Features of MDD | 第30-31页 |
| 4.2 Developmental Features of Subject | 第31-36页 |
| 4.2.1 Description and Discussion of Subject at Different Grade Levels | 第31-34页 |
| 4.2.2 Description of Subject-related MDD at Different Grade Levels | 第34-36页 |
| 4.3 Developmental Features of Object | 第36-41页 |
| 4.3.1 Description and Discussion of Object at Different Grade Levels | 第37-39页 |
| 4.3.2 Description of Object-related MDD at Different Grade Levels | 第39-41页 |
| 4.4 Description of Subject-Related and Object-Related Dependency Direction | 第41-43页 |
| 4.5 The Word Class Constitution of Subject-related and Object-related Dependency Relations at Different Grade Levels | 第43-53页 |
| 4.5.1 The Word Class Constitution of Subject-related Dependency Relations at Different Grade Levels | 第43-47页 |
| 4.5.2 Developmental Tendency of Using NN and PRP as Subject at Different Grade Levels | 第47-48页 |
| 4.5.3 The Word Class Constitution of Object-related Dependency Relations at Different Grade Levels | 第48-52页 |
| 4.5.4 The Tendency of Using NN, PRP and VB as Object at Different Grade Levels | 第52-53页 |
| 4.6 Errors of Subject-Related and Object-Related Dependency Relations at Different Grade Levels | 第53-58页 |
| 4.6.1 Errors of Subject-Related Dependency Relations at Different Grade Levels | 第53-56页 |
| 4.6.2 Errors of Object-Related Dependency Relations at Different Grade Levels | 第56-58页 |
| 4.7 Results and Discussion | 第58-60页 |
| Chapter Five Conclusion | 第60-63页 |
| 5.1 Conclusions | 第60页 |
| 5.2 Implications of the Study | 第60-61页 |
| 5.3 Limitations of the Study | 第61页 |
| 5.4 Suggestions for Further Study | 第61-63页 |
| Bibliography | 第63-66页 |
| Appendix | 第66-72页 |
