| Acknowledgements | 第6-7页 |
| Abstract | 第7页 |
| 1 The current development of cognitive linguistics | 第8-9页 |
| 1.1 Thriving of cognitive linguistics | 第8页 |
| 1.2 Cognitive linguistics as an approach to language | 第8-9页 |
| 2 The current development of semantics | 第9-11页 |
| 2.1 Semantics as an independent subject of linguistics | 第9页 |
| 2.2 Cinderella of semantics | 第9-10页 |
| 2.3 What's about cognitive semantics | 第10-11页 |
| 2.4 Some words about lexical semantics | 第11页 |
| 3 An overview on polysemy | 第11-27页 |
| 3.1 Ways to form new words | 第11-12页 |
| 3.2 Tendencies in semantic changes | 第12-16页 |
| 3.3 Two mechanisms for polysemy | 第16-17页 |
| 3.4 Theoretical surveys on polysemy | 第17-27页 |
| 3.4.1 Definition of polysemy | 第17页 |
| 3.4.2 Polysemy viewed by cognitive linguistics | 第17-20页 |
| 3.4.3 Word classification | 第20-21页 |
| 3.4.4 Motivation of polysemy | 第21-23页 |
| 3.4.5 A special way to polysemy----conversion | 第23-27页 |
| 3.4.5.1 Conversion as a way to form neologisms | 第24-25页 |
| 3.4.5.2 Conversion to noun and verb examined | 第25-27页 |
| 4 Semantic motivation of N-V shift and V-N shift | 第27-43页 |
| 4.1 Semantic motivation of N-V shift | 第27-33页 |
| 4.1.1 Different schools of thought on N-V shift | 第28-31页 |
| 4.1.2 Justification of Xu's Hypothesis | 第31-32页 |
| 4.1.3 Theoretical implications of Xu's Hypothesis | 第32-33页 |
| 4.1.4 Possibilities of N-V shift | 第33页 |
| 4.1.5 Specified cross-cultural nature of N-V shift | 第33页 |
| 4.2 Semantic motivation of V-N shift | 第33-40页 |
| 4.2.1 English verbal nominalization | 第34-37页 |
| 4.2.1.1 Some words about deverbal nouns and verbal nouns | 第34-36页 |
| 4.2.1.2 A complex gradience recognized | 第36-37页 |
| 4.2.2 Cognitive linguistic analyses of three kinds of verbs | 第37-40页 |
| 4.2.3 Implications for semantic motivation of V-N shift | 第40页 |
| 4.3 Scope of variance of N-V shift | 第40-43页 |
| 4.3.1 The developing trend in N-V shift | 第40-41页 |
| 4.3.2 Scope of variance of N-V shift | 第41-43页 |
| 5 Supplements to N-V shift | 第43-45页 |
| 5.1 Conversion with formal modifications | 第43-44页 |
| 5.2 A specific case of denominal verbs creation | 第44-45页 |
| 6 Pedagogical implications of N-V and V-N shift | 第45-54页 |
| 6.1 Conclusions about N-V and V-N shift in terms of word formation | 第45页 |
| 6.2 Pedagogical implications of N-V and V-N shift | 第45-54页 |
| 6.2.1 Teaching of polysemy | 第45-46页 |
| 6.2.2 Explorations into N-V shift | 第46-54页 |
| 6.2.2.1 Understanding N-V shift utterances | 第46页 |
| 6.2.2.2 N-V shift and development of word meanings | 第46-48页 |
| 6.2.2.3 Interpreting semantic relations in sentences with denominal verbs as predicates | 第48-50页 |
| 6.2.2.4 Rhetorical beauty of denominal verbs and deverbal nouns | 第50-51页 |
| 6.2.2.5 Teaching about unacceptability of N-V shift | 第51页 |
| 6.2.2.6 Other pedagogical roles played by N-V shift | 第51-52页 |
| 6.2.2.7 Field work of N-V shift | 第52-54页 |
| Bibliography | 第54-56页 |
