| 英文摘要 | 第1-4页 |
| 中文摘要 | 第4-7页 |
| CHAPTER 1 INTRODUCTION | 第7-13页 |
| 1．1 FORMULAIC LEXICAL UNITS | 第7-9页 |
| 1．2 LEXICAL BUNDLE: AN EMPIRICAL LEXICAL SEQUENCE | 第9-10页 |
| 1．3 PURPOSE OF THE RESEARCH AND CORPUS USED | 第10-11页 |
| 1．4 RESEARCH METHODS AND LAYOUT OF THE THESIS | 第11-13页 |
| CHAPTER 2 THE NATURE AND FEATURES OF LEXICAL SEQUENCES | 第13-26页 |
| 2．1 DIFFERENT LABELS FOR LEXICAL SEQUENCES | 第13-15页 |
| 2．2 CRITERIA FOR IDENTIFICATION OF LEXICAL SEQUENCES | 第15-16页 |
| 2．3 CATEGORIZATIONS OF LEXICAL SEQUENCES | 第16-21页 |
| 2．3．1 Form-based taxonomy | 第16-17页 |
| 2．3．2 Continuum of Formulaicity | 第17-18页 |
| 2．3．3 Function-based Taxonomy | 第18-21页 |
| 2．4 PRAGMATIC VALUES OF LEXICAL SEQUENCES | 第21-23页 |
| 2．5 LEXICAL SEQUENCES AND CREATIVE LANGUAGE | 第23-26页 |
| CHAPTER 3 IDENTIFICATION AND FEATURES OF LEXICAL BUNDLES | 第26-34页 |
| 3．1 DEFINITION OF LEXICAL BUNDLES | 第26-27页 |
| 3．2 LEXICAL BUNDLES AND OTHER LEXICAL SEQUENCES | 第27-29页 |
| 3．3 FEATURES OF LEXICAL BUNDLES IN LSWC | 第29-33页 |
| 3．4 LEXICAL BUNDLES IN THIS RESEARCH | 第33-34页 |
| CHAPTER 4 INTERPRETATION OF LEXICAL BUNDLES IN BNC SPOKEN CORPORA | 第34-65页 |
| 4．1 INTERPRETING LEXICAL BUNDLES FROM GRAMMATICAL PERSPECTIVE | 第34-44页 |
| 4．1．1 Grammatical Features of Lexical Bundles | 第34-38页 |
| 4．1．2 Features of Conversation and Features of Lexical Bundles | 第38-44页 |
| 4．2 SEMANTIC DISTINCTIONS OF STANCE CONVEYED BY THE LEXICAL BUNDLES | 第44-48页 |
| 4．2．1 Grammatical Devices of Lexical Bundles to Express Stance | 第44-45页 |
| 4．2．2 Semantic Classifications of Stance in Lexical Bundles | 第45-48页 |
| 4．3 FUNCTIONS OF LEXICAL BUNDLES IN CONVERSATION | 第48-65页 |
| 4．3．1 Lexical Bundles in the Opening Move | 第51-52页 |
| 4．3．2 Lexical Bundles in Sustaining Move | 第52-65页 |
| CHAPTER 5 CONCLUSION AND TENTATIVE SUGGESTIONS | 第65-72页 |
| 5．1 SUMMARY OF THE FOUR-WORD LEXICAL BUNDLES IN CONVERSATION | 第65-68页 |
| 5．1．1 Lexical Bundles as a Tool in Social Interaction | 第65-67页 |
| 5．1．2 Lexical Bundles as a Short-cut in Processing | 第67-68页 |
| 5．2 FROM GRAMMATICAL PATTERNS TO SPEECH FUNCTIONS | 第68-70页 |
| 5．3 TENTATIVE SUGGESTIONS FOR APPLICATION OF LEXICAL BUNDLES IN LANGUAGE TEACHING | 第70-72页 |
| ACKNOWLEDGEMENTS | 第72-73页 |
| 攻读学位期间发表论文 | 第73-74页 |
| REFERENCES | 第74-76页 |
| APPENDIX | 第76-79页 |
