| 摘要 | 第4-6页 |
| Abstract | 第6-7页 |
| Chapter 1 Introduction | 第10-15页 |
| 1.1 Research Background | 第10-13页 |
| 1.2 Layout and Scope of the Thesis | 第13页 |
| 1.3 Significance of the Thesis | 第13-15页 |
| Chapter 2 Literature Review | 第15-35页 |
| 2.1 Study on Tense and Aspect | 第15-26页 |
| 2.1.1 Definition and Classification of Tense and Aspect | 第16-22页 |
| 2.1.2 Research on Tense and Aspect | 第22-26页 |
| 2.2 Studies on Task-Based Teaching | 第26-35页 |
| 2.2.1 Definition and Research of Task | 第28-31页 |
| 2.2.2 The Components of a Task-based Teaching Class | 第31-32页 |
| 2.2.3 The Advantages of Task-based Approach | 第32-35页 |
| Chapter 3 Methodology | 第35-48页 |
| 3.1 Research Questions | 第35-36页 |
| 3.2 Subjects | 第36页 |
| 3.3 Task and Syllabus Design | 第36-42页 |
| 3.3.1 Task Design in Classroom-training | 第37-39页 |
| 3.3.2 Task Design in Pre-test and Post-test | 第39-40页 |
| 3.3.3 Syllabus Design | 第40-42页 |
| 3.4 A Teaching Case of the Task-based Approach | 第42-46页 |
| 3.5 Data Collection | 第46-48页 |
| Chapter 4 Results and Discussion | 第48-66页 |
| 4.1 Results and Discussion of Tense and Aspect in Pre-test | 第49-58页 |
| 4.1.1 Frequency of Tense and Aspect Use in Pre-test | 第49-55页 |
| 4.1.2 Numbers of Errors in Tense and Aspect Use in Pre-test | 第55-58页 |
| 4.2 Results and Discussion of Tense and Aspect in Post-test | 第58-66页 |
| 4.2.1 Frequency of Tense and Aspect Use in Post-test | 第58-61页 |
| 4.2.2 Numbers of Errors of Tense and Aspect Use in Post-test | 第61-66页 |
| Chapter 5 Conclusion | 第66-72页 |
| 5.1 Major Findings of the Study | 第67-69页 |
| 5.1.1 Findings on the Characteristics of Tense and Aspect Use | 第68页 |
| 5.1.2 Findings on the Efficiency of Task-based Approach | 第68-69页 |
| 5.2 Limitations of the Study | 第69-70页 |
| 5.3 Suggestions | 第70-72页 |
| References | 第72-77页 |
| Appendix A | 第77-80页 |
| Appendix B | 第80-86页 |
| Appendix C | 第86-87页 |
| Acknowledgements | 第87-88页 |
| Paper Published during Study | 第88-89页 |
