| Abstract | 第1-8页 |
| 摘要 | 第8-9页 |
| Acknowledgements | 第9-12页 |
| Chapter 1 Introduction | 第12-17页 |
| ·Background of the study | 第12-13页 |
| ·Purpose of the Study | 第13-14页 |
| ·Research Questions of the Study | 第14页 |
| ·Significance of the Study | 第14-17页 |
| Chapter 2 Lexical Bundles and Contrastive Studies | 第17-29页 |
| ·Definition and Types of Lexical Bundles | 第17-21页 |
| ·Importance of Lexical Bundles | 第21-22页 |
| ·Studies on Lexical Bundles | 第22-29页 |
| ·Empirical Studies of Lexical Bundles Abroad | 第22-25页 |
| ·Studies of Lexical Bundles in China | 第25-27页 |
| ·Contrastive Studies on Lexical Bundles Used by NS&NNS of English | 第27-29页 |
| Chapter 3 Corpus Linguistics and CIA | 第29-37页 |
| ·Corpus Linguistics | 第29-32页 |
| ·What is Corpus Linguistics? | 第29-30页 |
| ·Types of Corpora | 第30-32页 |
| ·Learner corpus | 第32-35页 |
| ·The Research about Learner Corpus | 第32-34页 |
| ·The Significance of Learner Corpora | 第34-35页 |
| ·CIA----A Method Adopted in Current Paper | 第35-37页 |
| Chapter 4 Description,Collection and Initial Analysis of Data | 第37-45页 |
| ·The Procedure of Corpus Data Collection | 第37-41页 |
| ·The Description of NNS Corpora | 第37-39页 |
| ·The Description of Native Speaker Corpora | 第39-41页 |
| ·Instruments for Data Collection and Analysis | 第41-42页 |
| ·Antconc 3.2.2,WordSmith Tools 5.0 | 第41页 |
| ·Sketch Engine | 第41-42页 |
| ·Dictionaries | 第42页 |
| ·Initial Analysis | 第42-43页 |
| ·Structure,Function and Keyness | 第43-45页 |
| Chapter 5 Analysis and Discussion | 第45-70页 |
| ·Structural Analysis | 第45-50页 |
| ·Structural Analysis Conducted | 第45-47页 |
| ·Major Findings on Structural Differences | 第47-50页 |
| ·Functional Analysis | 第50-54页 |
| ·Functional Analysis Conducted | 第50-52页 |
| ·Major Findings on the Functions of the Four-word Lexical Bundles | 第52-54页 |
| ·Keyness analysis | 第54-63页 |
| ·Analyzing Key Lexical Bundles in NNS Corpora | 第55-58页 |
| ·Analyzing Key Lexical Bundles in NS Corpora | 第58-63页 |
| ·Discussion | 第63-70页 |
| ·The More Lexical Bundles,the Better English? | 第63-64页 |
| ·Overuse,Underuse of Four-word Lexical Bundles in Current Study | 第64-66页 |
| ·Vagueness in NNS Corpora | 第66-67页 |
| ·Conversational Features in NNS Corpora | 第67-68页 |
| ·Some Other Factors | 第68-70页 |
| Chapter 6 Conclusion | 第70-77页 |
| ·Major Findings | 第70-71页 |
| ·Pedagogical Implications | 第71-75页 |
| ·Increasing the Input of Useful Lexical Bundles in Teaching Materials | 第71-72页 |
| ·Presenting the Misuse List of Lexical Bundles and Bundle—based Exercises for Students | 第72-74页 |
| ·Focusing on Training Students' Awareness to Using Lexical Bundles | 第74-75页 |
| ·Limitations of the Present Study and Suggestions for Further Study | 第75-77页 |
| References | 第77-83页 |
| Appendix Ⅰ The Structural Types and Functional Types of Lexical Bundles(2004) | 第83-86页 |
| Appendix Ⅱ The Topics and Requirements of NS Corpus and NNS Corpora | 第86-90页 |
| Appendix Ⅲ The List of Va gueness in NNS Corpora | 第90-91页 |
