| Acknowledgements | 第1-4页 |
| Chinese Abstract | 第4-6页 |
| Abstract | 第6-8页 |
| Contents | 第8-10页 |
| Introduction | 第10-13页 |
| Ⅰ Formality of Language | 第13-18页 |
| 1．1 Characterizing formal and informal styles | 第13-14页 |
| 1．2 The continuum of formality | 第14-15页 |
| 1．3 The distinction of formality | 第15-18页 |
| Ⅱ Exploring into Nominalization | 第18-39页 |
| 2．1 The concept of nominalization | 第18-19页 |
| 2．2 The theory of grammatical metaphor | 第19-27页 |
| 2．3 Ideational GM | 第27-34页 |
| 2．4 Nominalization as a type of GM | 第34-39页 |
| Ⅲ The Relationship between Nominalization and the Formality of English in Written Texts | 第39-49页 |
| 3．1 Nominalization as a basic characteristic of English written texts | 第39-43页 |
| 3．2 Nominalization and its functions in different functional varieties | 第43-46页 |
| 3．3 The relationship between nominalization and text formality:nominalization as an indicator of text formality | 第46-49页 |
| Ⅳ A Functional Analysis of the Relationship between Nominalization and Formality in Scientific Writings | 第49-54页 |
| 4．1 Scientific writings | 第49-51页 |
| 4．2 The investigation of the relationship between nominalization and formality | 第51-54页 |
| Conclusion | 第54-56页 |
| Notes | 第56-57页 |
| Bibliography | 第57-60页 |
| Appendix | 第60页 |
