Chapter 1 Introduction 1.1 Basic Concepts 1.2 The Classification ofModality in Modal Systems 1.3 Summary ofBasic Categories 1.4 Organization Chapter 2 Classification of Modality 2.1 Propositional Modality 2.2 Event Modality 2.3 An Alternative Analysis Chapter 3 Modal Systems and Modal Verbs 3.1 Modal Systems 3.2 Modal Verbs 3.3 Modal Systems and Other Categories Chapter 4 Modality in Chinese 4.1 Former Research 4.2 The Status of Modal Verbs 4.3 Criteria for Modal Verbs 4.4 Modal Verbs in Chinese 4.5 Summary Chapter 5 Succession of Modal Verbs 5.1 BasicConcepts 5.2 The Succession ofModal Verbs 5.3 PolysemyofModaIVerbs 5.4 Summary Chapter 6 Modality and Aspect 6.1 Modality and Aspect Markers 6.2 The Co—occurrence ofthe Epistemic Modality and Aspect Markers 6.3 The Co—occurrence ofthe Root Modality and Aspect Markers 6.4 Other Factors Infiuencing the Interpretation ofModality 6.5 Conclusion Chapter 7 Modality and Negation 7.1 Former Studies 7.2 The Interaction ofModality and Negation 7.3 Modal Suppletion Strategy(MSS) 7.4 Negation Placement Strategy(NPS) 7.5 Mixed Strategies 7.6 Conclusion Chapter 8 Syntactic Structure of Modal Verbs 8.1 Former Studies 8.2 Aspect and Modal Verbs 8.3 Epistemic ModalVerbs as CP 8.4 ANewProposal 8.5 Summary Chapter 9 Conclusion References