| Acknowledgements | 第3-4页 |
| Abstract | 第4页 |
| 摘要 | 第5-7页 |
| Introduction | 第7-13页 |
| Chapter 1 Literature Review | 第13-20页 |
| 1.1 Introduction | 第13页 |
| 1.2 Previous Studies on Language and Social Status | 第13-20页 |
| Chapter 2 Incomplete Sentences & Ungrammatical Expressions | 第20-37页 |
| 2.1 Counts of Incomplete and Complete Sentences | 第20-29页 |
| 2.1.1 Causes of Incomplete and Complete Sentences | 第26-29页 |
| 2.2 Counts of Closed Words and Open Words | 第29-33页 |
| 2.2.1 Causes of Sociolinguistic Differentiation in Omitting Closed and Open Words | 第31-33页 |
| 2.3 Ungrammatical Expressions in the Lowest Social Class | 第33-37页 |
| 2.3.1 Statistics and Causes of the Ungrammatical Expressions | 第34-37页 |
| Chapter 3 Imperatives and Their Functions | 第37-43页 |
| 3.1 Counts of Imperatives with the Function of Commanding | 第37-40页 |
| 3.2 Causes of Sociolinguistic Variations in Imperatives | 第40-43页 |
| Chapter 4 Tag Questions and Their Sociolinguistic Indications | 第43-48页 |
| 4.1 Counts of Sociolinguistic Indications of Tags | 第44-45页 |
| 4.2 Causes of Sociolinguistic Preferences in Tags | 第45-48页 |
| Chapter Five Conclusion | 第48-50页 |
| References | 第50-53页 |
