| Acknowledgments | 第1-4页 |
| Abstract in Chinese | 第4-6页 |
| Abstract in English | 第6-11页 |
| Chapter 1 Introduction | 第11-14页 |
| ·The Rationale for the Research | 第11-12页 |
| ·The Organization of the Thesis | 第12-14页 |
| Chapter 2 Literature Review | 第14-42页 |
| ·The Definition of Interlanguage | 第15-17页 |
| ·The Historical Background of IL Study | 第17-19页 |
| ·Brief Introduction to IL | 第19-21页 |
| ·The characteristics of IL | 第19-20页 |
| ·The developmental stages of IL | 第20页 |
| ·The IL construction processes | 第20-21页 |
| ·Fossilization in IL | 第21页 |
| ·Researches on IL | 第21-27页 |
| ·The research methods | 第21-22页 |
| ·The data collection | 第22页 |
| ·The aspects of IL research | 第22-27页 |
| ·Developmental patterns in second language acquisition | 第24-25页 |
| ·IL variability | 第25-26页 |
| ·IL pragmatics | 第26-27页 |
| ·An Overview of IL Researches in China | 第27-29页 |
| ·Summary | 第29-30页 |
| ·Theoretical Introductions to Relative Clauses Studies | 第30-35页 |
| ·The definition and typology of relative clauses | 第31-33页 |
| ·The English and Chinese relative clauses | 第33-35页 |
| ·The Previous Researches Concerning Relative Clauses Acquisition | 第35-40页 |
| ·Summary | 第40-42页 |
| Chapter 3 Research Methodology | 第42-47页 |
| ·Research Questions | 第42-43页 |
| ·Subjects | 第43-44页 |
| ·Data Collection | 第44-45页 |
| ·Instrument | 第45-47页 |
| Chapter 4 Results | 第47-56页 |
| ·The Frequency of Relative Clauses Use | 第48-52页 |
| ·The frequencies by task and by school | 第48-49页 |
| ·The frequencies of relative clauses use by three grades | 第49页 |
| ·The frequency of relative clauses use by Grade Three | 第49-51页 |
| ·The average frequency by third grade students in three schools | 第51-52页 |
| ·The Errors Made in the Use of Relative Clauses | 第52-54页 |
| ·The error ratios of relative clauses | 第52-53页 |
| ·Types of errors made | 第53-54页 |
| ·The Four Types of Relative Clauses Use | 第54-56页 |
| Chapter 5 Analysis and Discussion | 第56-86页 |
| ·Data Analysis | 第56-67页 |
| ·The frequency of relative clauses use analysis | 第57-60页 |
| ·The frequency of relative clauses use for three grades | 第57-58页 |
| ·The use of relative clause by students of Grade Three | 第58-59页 |
| ·The frequency comparison by third grade students in three schools | 第59-60页 |
| ·The error analysis | 第60-66页 |
| ·The error ratios of relative clauses use | 第61-62页 |
| ·Types of errors made | 第62-66页 |
| ·The acquisition order reflected by the data | 第66-67页 |
| ·Discussion | 第67-86页 |
| ·The discussion of frequency of relative clauses use | 第67-78页 |
| ·The low frequency of use for the Chinese EFL students | 第67-69页 |
| ·The frequency of use in relation to task instructions | 第69-71页 |
| ·The use of relative clauses in relation to task types | 第71-75页 |
| ·Topics in relation to memorized chunk | 第75-77页 |
| ·Language proficiency in relation to relative clauses use | 第77-78页 |
| ·The discussion of the errors made | 第78-82页 |
| ·The error ratio discussion | 第78-79页 |
| ·The different types of errors | 第79-82页 |
| ·The acquisition order of relative clauses | 第82-86页 |
| Chapter 6 Conclusions and Implications | 第86-90页 |
| ·Conclusions of the Study | 第86-88页 |
| ·Implications for Teaching | 第88-89页 |
| ·Limitations | 第89-90页 |
| Works Cited | 第90-94页 |
| Bibliography | 第94-104页 |
| Appendix Ⅰ | 第104-106页 |
| Appendix Ⅱ | 第106页 |
