| Acknowledgements | 第1-7页 |
| 中文摘要 | 第7-10页 |
| English Abstract | 第10-14页 |
| List of Abbreviations | 第14-15页 |
| List of Tables | 第15-16页 |
| List of Figures | 第16-17页 |
| Chapter One Introduction | 第17-23页 |
| ·Origins of the idea | 第17-19页 |
| ·Aims of the research | 第19-20页 |
| ·Significance of the study | 第20页 |
| ·Outline of the thesis | 第20-23页 |
| Chapter Two Literature Review | 第23-61页 |
| ·Introduction | 第23页 |
| ·A crosslinguistic study of English and Chinese conditionals | 第23-41页 |
| ·English conditionals | 第24-25页 |
| ·Classification of English if-conditionals | 第25-30页 |
| ·Factual conditionals | 第27-28页 |
| ·Predictive conditionals | 第28页 |
| ·Hypothetical conditionals | 第28-29页 |
| ·Counterfactual conditionals | 第29-30页 |
| ·Backshifting of tense | 第30-31页 |
| ·Comparison of Chinese and English conditionals | 第31-41页 |
| ·A brief review of Bloom’s controversial studies | 第41-42页 |
| ·Studies of conditionals in language acquisition | 第42-58页 |
| ·Developmental patterns of conditionals in FLA | 第42-46页 |
| ·Studies of conditionals in SLA | 第46-58页 |
| ·Markedness theory and the acquisition of conditiona | 第46-50页 |
| ·Cumulative Complexity principle and the Developmental Law | 第50-54页 |
| ·Other related studies | 第54-58页 |
| ·Summary | 第58-60页 |
| Notes to Chapter Two | 第60-61页 |
| Chapter Three Methodology | 第61-75页 |
| ·Overview | 第61-62页 |
| ·The research question | 第62页 |
| ·Instrument | 第62-68页 |
| ·The four English if-conditional types assessed in this | 第62-66页 |
| ·The if-conditional test | 第66-68页 |
| ·Participants | 第68-69页 |
| ·Data collection | 第69页 |
| ·The following interview | 第69-71页 |
| ·Scoring of the data | 第71-73页 |
| ·Statistic methods for data analysis | 第73-75页 |
| Chapter Four Results and Discussion | 第75-95页 |
| ·Production by native speakers of English | 第75-76页 |
| ·Data analysis of Chinese participants’production | 第76-81页 |
| ·General description | 第76-77页 |
| ·The result of one-way ANOVA of the IF-C | 第77-78页 |
| ·The result of one-way ANOVA of the MC | 第78-80页 |
| ·The result of combining the IF-C and the MC | 第80-81页 |
| ·Discussion | 第81-88页 |
| ·Answers to the research question | 第81-84页 |
| ·The influence of L1 | 第84-88页 |
| ·Results of the interview | 第88-91页 |
| ·A brief summary | 第91-95页 |
| Chapter Five Conclusion | 第95-107页 |
| ·Pedagogical implications | 第95-96页 |
| ·Pedagogical suggestions | 第96-99页 |
| ·Supplementary activities | 第99-103页 |
| ·Limitations | 第103-104页 |
| ·Recommendations for further research | 第104-107页 |
| Appendix | 第107-113页 |
| Bibliography | 第113-122页 |
