| Acknowledgements | 第1-5页 |
| Abstract (Chinese) | 第5-7页 |
| Abstract (English) | 第7-10页 |
| List of figures and tables | 第10-11页 |
| Contents | 第11-14页 |
| Introduction | 第14-18页 |
| ·The purpose of studying cohesion | 第14-15页 |
| ·The purpose of studying the cohesive function of tenses and aspects | 第15-16页 |
| ·Methodology and data collection | 第16-18页 |
| Chapter One Literature Review of Studies on Cohesion, Tense and Aspect | 第18-27页 |
| ·Introduction | 第18页 |
| ·Studies on cohesion | 第18-23页 |
| ·Researches carried out abroad and at home | 第18-20页 |
| ·Halliday and Hasan's cohesion theory | 第20-23页 |
| ·Comment | 第23页 |
| ·Studies on the cohesive function of tenses and aspects | 第23-26页 |
| ·Researches carried out abroad | 第23-24页 |
| ·Researches carried out in China | 第24-25页 |
| ·Comment | 第25-26页 |
| ·Summary | 第26-27页 |
| Chapter Two The Meanings and Usages of Tenses and Aspects of English Verbs | 第27-45页 |
| ·Introduction | 第27-28页 |
| ·Defining tense and aspect | 第28-32页 |
| ·Defining tense | 第28-29页 |
| ·Defining aspect | 第29-31页 |
| ·Approach adopted in this thesis | 第31-32页 |
| ·Expressions of present time and their usages | 第32-36页 |
| ·Tenses referring to present | 第32-35页 |
| ·Aspects referring to present | 第35-36页 |
| ·Expressions of past time and their usages | 第36-40页 |
| ·Tenses referring to past | 第36-38页 |
| ·Aspects referring to past | 第38-40页 |
| ·Expressions of future time and their usages | 第40-44页 |
| ·Will/shall + infinitive | 第40-41页 |
| ·Be going to /be to + infinitive | 第41页 |
| ·Be + progressive aspect | 第41-42页 |
| ·The Simple Present | 第42-43页 |
| ·Will/shall+ progressive/perfective infinitive | 第43-44页 |
| ·Summary | 第44-45页 |
| Chapter Three Investigations of the Use of Tenses and Aspects in English Texts | 第45-59页 |
| ·Introduction | 第45-46页 |
| ·Investigations of the use of tenses and aspects in narrative texts | 第46-49页 |
| ·Investigations of the use of tenses and aspects in expository texts | 第49-52页 |
| ·Investigations of the use of tenses and aspects in argumentative texts | 第52-53页 |
| ·Investigations of the use of tenses and aspects in descriptive texts | 第53-57页 |
| ·Summary | 第57-59页 |
| Chapter Four The Cohesive Function of Tenses and Aspects in English Texts: Case Studies | 第59-84页 |
| ·Introduction | 第59页 |
| ·The cohesive function of the Simple Present | 第59-69页 |
| ·The cohesive function of the Simple Past | 第69-73页 |
| ·The cohesive function of the progressive aspect | 第73-77页 |
| ·The cohesive function of the perfective aspect | 第77-80页 |
| ·Exceptional uses of the Simple Present in texts | 第80-83页 |
| ·Historical Present in narrative texts | 第80-82页 |
| ·Other uses of the Simple Present | 第82-83页 |
| ·Summary | 第83-84页 |
| Chapter Five Theoretical and Pedagogical Implications | 第84-95页 |
| ·Introduction | 第84页 |
| ·Theoretical implications | 第84-85页 |
| ·Pedagogical implications | 第85-94页 |
| ·Implications for teaching reading | 第85-90页 |
| ·Introduction to various approaches of reading teaching | 第85-87页 |
| ·Implications for teaching reading | 第87-90页 |
| ·Implications for teaching writing | 第90-94页 |
| ·Introduction to various approaches of writing teaching | 第90-91页 |
| ·Implications for teaching writing | 第91-94页 |
| ·Summary | 第94-95页 |
| Conclusion | 第95-97页 |
| Bibliography | 第97-101页 |
| Appendix | 第101-103页 |
