| 摘要 | 第1-6页 |
| Abstract | 第6-10页 |
| Chapter1 Introduction | 第10-14页 |
| ·Research Background | 第10-11页 |
| ·The Purpose and Significance of the Present Study | 第11-12页 |
| ·The Layout of the Research | 第12-14页 |
| Chapter2 Theoretical Background | 第14-27页 |
| ·Conjunctive Adverbials | 第14-16页 |
| ·Semantic Classifications of Conjunctive Adverbials | 第16-20页 |
| ·Halliday's View | 第16-17页 |
| ·Quirk's View | 第17-18页 |
| ·Biber's View | 第18-19页 |
| ·Classifications of Conjunctive Adverbials in this Study | 第19-20页 |
| ·Positions of Conjunctive Adverbials | 第20-23页 |
| ·A Case Study of Differences on the Uses of Conjunctive Adverbials between British and American English | 第23-24页 |
| ·Previous Corpus-based Connectors Studies | 第24-27页 |
| Chapter 3 Corpora and Methodology | 第27-32页 |
| ·Methodology of Corpus-based Studies | 第27-28页 |
| ·Corpora Used in This Study | 第28-30页 |
| ·Data Collection and Processing | 第30-32页 |
| Chapter 4 Results and Discussion | 第32-57页 |
| ·Distribution of Conjunctive Adverbials in the Four Corpora | 第32-34页 |
| ·Overall Frequencies of Conjunctive Adverbials and the Difference | 第32-33页 |
| ·Comparison of the Frequencies of CAs in Corpora | 第33-34页 |
| ·Semantic Types of Conjunctive Adverbials | 第34-37页 |
| ·Syntactic Distribution of Conjunctive Adverbials | 第37-40页 |
| ·The most Frequently Used Conjunctive Adverbials | 第40-45页 |
| ·Conjunctive Adverbials Most Frequently Used in LOB | 第40-41页 |
| ·Conjunctive adverbials Most Frequently Used in BROWN | 第41-42页 |
| ·Conjunctive adverbials Most Frequently Used in FLOB | 第42页 |
| ·Conjunctive adverbials Most Frequently Used in FROWN | 第42-44页 |
| ·The Differences of Conjunctive Adverbials | 第44-45页 |
| ·Positions of Conjunctive Adverbials | 第45-57页 |
| ·Additive Conjunctive Adverbials | 第45-48页 |
| ·Adversative Conjunctive Adverbials | 第48-52页 |
| ·Causal Conjunctive Adverbials | 第52-54页 |
| ·Temporal Conjunctive Adverbials | 第54-57页 |
| Chapter 5 Conclusion | 第57-61页 |
| ·Major Findings of this Research | 第57页 |
| ·Some Possible Explanations for the Findings | 第57-59页 |
| ·Functional Explanations | 第58页 |
| ·Sociolinguistic Explanations | 第58-59页 |
| ·Pedagogical Suggestions | 第59页 |
| ·Limitations of this Research | 第59-61页 |
| References | 第61-64页 |
| Appendices | 第64-70页 |
| Appendix Ⅰ Program 'search for conjunctive adverbials' | 第64-66页 |
| Appendix Ⅱ Chi-square Values | 第66-70页 |
| Publication | 第70-71页 |
| Acknowledgements | 第71-72页 |
| Resume | 第72页 |
