| Acknowledgements | 第5-6页 |
| 摘要 | 第6-8页 |
| Abstract | 第8-9页 |
| 一. Introduction | 第12-17页 |
| 1.1 Research background | 第12-13页 |
| 1.2 Research significance | 第13-15页 |
| 1.3 Structure of the thesis | 第15-17页 |
| 二. Literature Review | 第17-25页 |
| 2.1 Previous studies on citation | 第17-19页 |
| 2.1.1 Definition of citation | 第17-18页 |
| 2.1.2 Chaages of the study of citation | 第18-19页 |
| 2.2 Previous research on reporting | 第19-22页 |
| 2.2.1 Research abroad | 第19-21页 |
| 2.2.2 Research at home | 第21-22页 |
| 2.3 Comments on previous studies | 第22-25页 |
| 三. Theotical Framework | 第25-32页 |
| 3.1 Citation patterns | 第25-27页 |
| 3.2 Semantic classifications of reporting verbs | 第27-29页 |
| 3.3 The Appraisal Theory | 第29-32页 |
| 四. Methodology | 第32-36页 |
| 4.1 Corpus | 第32-33页 |
| 4.1.1 Criteria for selecting the corpus | 第32页 |
| 4.1.2 Description of the corpus | 第32-33页 |
| 4.1.3. Corpus analysis | 第33页 |
| 4.2. The coding of citation | 第33-34页 |
| 4.3 Data analysis | 第34-36页 |
| 五. Results and Discussion | 第36-61页 |
| 5.1 An overview description of the use of citation | 第36-37页 |
| 5.2 Comparative analysis of citation patterns between two corpora | 第37-39页 |
| 5.3 Comparative analysis of reporting verbs in two corpora | 第39-49页 |
| 5.3.1 Description of reporting verbs | 第39-41页 |
| 5.3.2 Reporting verbs under the Appraisal Theory | 第41-43页 |
| 5.3.3 The distribution of reporting verbs in two corpora | 第43-44页 |
| 5.3.4 Evaluative functions of different reporting verbs in discourses | 第44-45页 |
| 5.3.5 Distribution of different reporting verbs in two corpora | 第45-49页 |
| 5.4 Comparative analysis of the tenses of reporting verbs in two corpora | 第49-53页 |
| 5.4.1 Distributions of Tenses of Reporting Verb in Both Corpora | 第50-51页 |
| 5.4.2 Functions of different tenses of reporting verbs | 第51-53页 |
| 5.5 Comparative analysis of voice of reporting verbs in two corpora | 第53-56页 |
| 5.5.1 Distribution of active and passive voices in two corpora | 第54-55页 |
| 5.5.2 Functions of active and passive voices in academic writing | 第55-56页 |
| 5.6 Discussion | 第56-61页 |
| 5.6.1 Awareness in using citations in academic writing | 第56页 |
| 5.6.2 Discussion on citation patterns | 第56-58页 |
| 5.6.3 Discussion on reporting verbs | 第58-59页 |
| 5.6.4 Discussion on the tenses and voices of reporting verbs | 第59-61页 |
| 六. Conclusion | 第61-65页 |
| 6.1 Major findings | 第61-62页 |
| 6.2. Implications on academic writing | 第62-63页 |
| 6.3 Limitations of the present study | 第63-64页 |
| 6.4 Suggestions for future research | 第64-65页 |
| Bibliography | 第65-69页 |
| Appendix | 第69-70页 |
