| Abstract | 第4-6页 |
| 摘要 | 第7-14页 |
| Introduction | 第14-20页 |
| 0.1 Origin of the Question | 第14-15页 |
| 0.2 Research Content | 第15-16页 |
| 0.3 Research Methodology | 第16页 |
| 0.4 Research Questions | 第16-17页 |
| 0.5 Research Significance | 第17页 |
| 0.6 Thesis Frame | 第17-20页 |
| Chapter One Literature Review | 第20-24页 |
| 1.1 Syntactic Features of Chinese and English Causal Conjunctions | 第20-21页 |
| 1.2 Semantic Features of Chinese and English Causal Conjunctions | 第21-22页 |
| 1.3 Pragmatic Features of Chinese and English Causal Conjunctions | 第22-24页 |
| Chapter Two Theoretical Foundation | 第24-42页 |
| 2.1 Definition of Grammaticalization | 第24-27页 |
| 2.2 Characteristics of Grammaticalization | 第27-28页 |
| 2.2.1 Unidirectional Characteristic | 第27页 |
| 2.2.2 Semantic Bleach | 第27-28页 |
| 2.2.3 Phonetic Weakening | 第28页 |
| 2.3 Mechanisms of Grammaticalization | 第28-30页 |
| 2.3.1 Reanalysis | 第29页 |
| 2.3.2 Analogy | 第29-30页 |
| 2.4 Principles of Grammaticalization | 第30-35页 |
| 2.4.1 Unidirectional Principle | 第30-33页 |
| 2.4.2 Coexistence Principle | 第33-34页 |
| 2.4.3 Alternative Principle | 第34-35页 |
| 2.5 Motivations of Grammaticalization | 第35-38页 |
| 2.5.1 Language Internal Motivations | 第35-36页 |
| 2.5.2 Cognitive Motivations | 第36-38页 |
| 2.5.3 Pragmatic Motivations | 第38页 |
| 2.6 Rules of Grammaticalization of Pragmatic Principles | 第38-42页 |
| 2.6.1 Autonomy Rule of Grammaticalization | 第39页 |
| 2.6.2 Economic Rule of Grammaticalization | 第39-42页 |
| Chapter Three Grammaticalization Process of Chinese CausualConjunctions | 第42-72页 |
| 3.1 Syntactic Features of yin in Ancient Times | 第43-44页 |
| 3.2 Semantic Features of yin in Ancient Times | 第44-45页 |
| 3.3 Pragmatic Features of yin in Ancient Times | 第45-46页 |
| 3.4 Syntactic Features of yin and yin wei in Middle Ancient Times | 第46-51页 |
| 3.4.1 prepositions or conjunctions used singly | 第47-49页 |
| 3.4.2 prepositions or conjunctions used combinedly | 第49-51页 |
| 3.5 Semantic Features of yin and yin wei in Middle Ancient Times | 第51-52页 |
| 3.6 Pragmatic Features of yin and yin wei in Middle Ancient Times | 第52-53页 |
| 3.7 Syntactic Features of yin wei in Modern Times | 第53-61页 |
| 3.7.1 Matching Modes | 第53-56页 |
| 3.7.2 Matching Objects | 第56-60页 |
| 3.7.3 Applying Sentence Categories | 第60-61页 |
| 3.8 Semantic Features of yin wei in Modern Times | 第61-64页 |
| 3.8.1 Reality | 第61-62页 |
| 3.8.2 Motivation | 第62-63页 |
| 3.8.3 Directivity | 第63-64页 |
| 3.9 Pragmatic Features of yin wei in Modern Times | 第64-72页 |
| 3.9.1 Emotional Tendency | 第65-66页 |
| 3.9.2 Writing Type Analysis | 第66-67页 |
| 3.9.3 Cohesive Function | 第67-72页 |
| Chapter Four Grammaticalization Process of English CausualConjunctions | 第72-90页 |
| 4.1 Syntactic Features of by cause in Ancient Times | 第74-75页 |
| 4.2 Semantic Features of by cause in Ancient Times | 第75-76页 |
| 4.3 Pragmatic Features of by cause in Ancient Times | 第76-77页 |
| 4.4 Syntactic Features of because in Modern Times | 第77-81页 |
| 4.4.1 The Position of Comma | 第78-79页 |
| 4.4.2 From Hypotaxis to Coordination Structure | 第79-80页 |
| 4.4.3 Sentence-initial Position | 第80-81页 |
| 4.5 Semantic Features of because in Modern Times | 第81-84页 |
| 4.5.1 Reality | 第81-82页 |
| 4.5.2 Motivation | 第82-83页 |
| 4.5.3 Directivity | 第83-84页 |
| 4.6 Pragmatic Features of because in Modern Times | 第84-90页 |
| 4.6.1 Emotional Tendency | 第85-86页 |
| 4.6.2 Cohesive Function | 第86-90页 |
| Chapter Five Contrast of Syntactic, Semantic and PragmaticFeatures of yin wei and because | 第90-112页 |
| 5.1 Similarities of Syntactic Grammaticalization of yin wei andbecause | 第90-94页 |
| 5.1.1 Syntactic Grammaticalization Process | 第90-91页 |
| 5.1.2 Grammaticalization Motivations | 第91-94页 |
| 5.2 Differences of Syntactic of Grammaticalization of yin wei andbecause | 第94-96页 |
| 5.2.1 Different Combinations and Structures | 第94-95页 |
| 5.2.2 Different Syntactic Patterns | 第95-96页 |
| 5.3 Similarities of Semantic Grammaticalization of yin wei andbecause | 第96页 |
| 5.4 Differences of Semantic Grammaticalization of yin wei andbecause | 第96-99页 |
| 5.4.1 Different Original Semantic Meanings and Processes | 第97-98页 |
| 5.4.2 Different Semantic Emphasis towards “Cause” | 第98-99页 |
| 5.5 Similarities of Pragmatic Grammaticalization of yin wei andbecause | 第99页 |
| 5.6 Differences of Pragmatic Grammaticalization of yin wei andbecause | 第99-101页 |
| 5.7 Grammaticalization Motivation of yin wei and because | 第101-105页 |
| 5.7.1 Metaphor | 第102-104页 |
| 5.7.2 Metonymy | 第104-105页 |
| 5.8 Pragmatic Motivation | 第105-106页 |
| 5.9 Rules of Grammaticalization of Pragmatic Principles | 第106-112页 |
| 5.9.1 Autonomy Rule of Grammaticalization | 第106-108页 |
| 5.9.2 Economic Rule of Grammaticalization | 第108-112页 |
| Conclusion | 第112-118页 |
| Bibliography | 第118-122页 |
| Acknowledgements | 第122-123页 |
