| 摘要 | 第4-6页 |
| Abstract | 第6-7页 |
| Contents | 第8-11页 |
| List of Figures | 第11-12页 |
| List of Tables | 第12-13页 |
| Chapter One Introduction | 第13-17页 |
| 1.1 Background Information | 第13-15页 |
| 1.2 Aims and Significance of the Research | 第15页 |
| 1.3 Organization of the Thesis | 第15-17页 |
| Chapter Two Literature Review | 第17-25页 |
| 2.1 Prevalent Studies of Lexical chunks Abroad and Home | 第17-20页 |
| 2.1.1 Prevalent Studies of Lexical Chunks Abroad | 第17-19页 |
| 2.1.2 Prevalent Studies of Lexical Chunks Home | 第19-20页 |
| 2.2 Relevant Corpus-based Studies of Lexical Chunks Abroad and Home | 第20-24页 |
| 2.2.1 Relevant Corpus-based Studies of Lexical Chunks Abroad | 第21页 |
| 2.2.2 Relevant Corpus-based Studies of Lexical Chunks Home | 第21-22页 |
| 2.2.3 Corpus to Investigate Writing Abroad and Home | 第22-24页 |
| 2.3 Summary | 第24-25页 |
| Chapter Three Theoretical Framework | 第25-36页 |
| 3.1 Studies of Lexical Chunks | 第25-32页 |
| 3.1.1 Studies on the Definitions of Lexical Chunks | 第25-27页 |
| 3.1.2 Studies on the Classification of Lexical Chunks | 第27-30页 |
| 3.1.3 Studies on the Functions of Lexical Chunks | 第30-32页 |
| 3.2 Studies of Corpus and Corpus Linguistics | 第32-36页 |
| 3.2.1 Corpus | 第32-33页 |
| 3.2.2 Corpus Linguistics | 第33-36页 |
| Chapter Four Design of the Research | 第36-54页 |
| 4.1 The Research Objectives and Question | 第36页 |
| 4.2 Corpora Used in the Studies | 第36-37页 |
| 4.2.1 Self-built Corpus | 第36-37页 |
| 4.2.2 Native Corpus LOCNESS | 第37页 |
| 4.3 Instrument Employed | 第37-39页 |
| 4.3.1 Instruments Used in the Stage of Making a Self-built Corpus | 第37-38页 |
| 4.3.2 Instruments Used in the Stage of Data Extraction | 第38页 |
| 4.3.3 Instruments Used in the Stage of Data Analysis | 第38-39页 |
| 4.4 Research Procedures | 第39-52页 |
| 4.4.1 Making a Self-built Corpus | 第39-41页 |
| 4.4.2 Making Correlation Analysis between Chunk-using and Pragmatic Competence | 第41-46页 |
| 4.4.3 Making the Wordlist | 第46-48页 |
| 4.4.4 Withdrawing the Clusters | 第48-50页 |
| 4.4.5 Manual Selection | 第50页 |
| 4.4.6 Using Chi-Square Test to Study the Significant Differences in Two Corpora | 第50-52页 |
| 4.5 Data Processing and Collection | 第52-54页 |
| Chapter Five Data Analysis & Discussion on Structure Differences of Lexical Chunks in Two Corpora | 第54-62页 |
| 5.1 Distributions of Lexical Chunks in Two Corpora | 第54-57页 |
| 5.1.1 Distributions of Lexical Chunks in Self-built Corpus | 第54-55页 |
| 5.1.2 Distributions of Lexical Chunks in LOCNESS | 第55页 |
| 5.1.3 Contrastive Study on the Characteristics of the Distribution in Two Corpora | 第55-57页 |
| 5.2 Structure Characteristics of Lexical Chunks in Two Corpora | 第57-61页 |
| 5.2.1 Structure Characteristics of Lexical Chunks in Self-built Corpus | 第57-58页 |
| 5.2.2 Structure Characteristics of Lexical Chunks in LOCNESS | 第58页 |
| 5.2.3 Contrastive Study on the Structure Characteristics of Lexical Chunks in Two Corpora | 第58-61页 |
| 5.3 Summary | 第61-62页 |
| Chapter Six Data Analysis on Pragmatic Functions of Lexical Chunks in Two Corpora | 第62-75页 |
| 6.1 Pragmatic Functions of Full Clauses in Two Corpora | 第62-66页 |
| 6.1.1 Pragmatic Functions of Independent Clauses in Self-built Corpus | 第62-63页 |
| 6.1.2 Pragmatic Functions of Independent Clauses in LOCNESS | 第63-64页 |
| 6.1.3 Contrastive Study on the Pragmatic Functions of Full Clause in Two Corpora | 第64-65页 |
| 6.1.4 Contrastive Study on the Pragmatic Functions of Dependent Clauses in Two Corpora | 第65-66页 |
| 6.2 Pragmatic Functions of Clause Constituents in Two Corpora | 第66-72页 |
| 6.2.1 Pragmatic Functions of Multiple Clause Constituents in Two Corpora | 第66-70页 |
| 6.2.2 Pragmatic Functions of Single Clause Constituents in Two Corpora | 第70-72页 |
| 6.3 Pragmatic Functions of Incomplete Phrases in Two Corpora | 第72-74页 |
| 6.4 Summary | 第74-75页 |
| Chapter Seven Conclusion | 第75-79页 |
| 7.1 Major Findings | 第75-76页 |
| 7.2 Implications and Suggestions | 第76-77页 |
| 7.2.1 Implications and Suggestions on Teaching | 第76-77页 |
| 7.2.2 Implications and Suggestions on Learning | 第77页 |
| 7.3 Limitations of the Present Study | 第77-79页 |
| Acknowledgements | 第79-80页 |
| References | 第80-82页 |
| Appendix I: The Most Frequently Occurring 3-6 word Chunks in Self-built Corpus | 第82-88页 |
| Appendix Ⅱ: The Most Frequently Occurring 3-6 word Chunks in LOCNESS | 第88-94页 |
| Appendix Ⅲ: The Procedures of Making a Self-built Corpus | 第94-97页 |
| Appendix Ⅳ: College English Writing Scoring Criteria | 第97-99页 |
| Academic Achievements | 第99页 |
