| Acknowledgements | 第1-9页 |
| Abstract (English) | 第9-12页 |
| Abstract (Chinese) | 第12-14页 |
| List of Figures | 第14-15页 |
| List of Tables | 第15-16页 |
| List of Abbreviations | 第16-17页 |
| Chapter 1 Introduction | 第17-37页 |
| ·Introductory Remarks | 第17-18页 |
| ·Defining 'style' in the present study | 第18-21页 |
| ·Defining the 'choice' in L2 Acquisition | 第21-22页 |
| ·Research Aims | 第22-27页 |
| ·'Style as a result of choice' | 第22页 |
| ·Layers of analysis | 第22-24页 |
| ·Research aim and methodology | 第24-27页 |
| ·Problem of idealization | 第25-26页 |
| ·External and internal language | 第26-27页 |
| ·Theortetic Framework and Guidance | 第27-32页 |
| ·UG and parameter-setting | 第27-31页 |
| ·Register theory | 第31-32页 |
| ·Composition and Guidance of this Thesis | 第32-34页 |
| ·Composition | 第33页 |
| ·Guidance of this thesis | 第33-34页 |
| ·Synchronic perspective | 第33-34页 |
| ·Diachronic clue | 第34页 |
| ·Key Terms | 第34-37页 |
| Chapter 2 Relevant Problems and Literature Review | 第37-61页 |
| ·Introduction | 第37页 |
| ·Key Problems in Early L1 Acquisition | 第37-45页 |
| ·General description on the syntactic features in early L1 acquisition | 第37-40页 |
| ·Logical problem | 第40-43页 |
| ·Small clause hypothesis about L1 learners' initial state | 第43-44页 |
| ·Style features of linguistic choice in L1 acquisition | 第44-45页 |
| ·Relevant Problems in L2 Syntax Acquisition | 第45-50页 |
| ·UG in L2 acquisition | 第46-47页 |
| ·Logical problem in L2 acquisition | 第47-48页 |
| ·L1 and initial state of L2 acquisition | 第48-50页 |
| ·Previous Researches from Relevant Perspectives on L2 Learners' Syntactic Style | 第50-59页 |
| ·Views on L2 learners' syntactic style from grammar-based approach | 第50-55页 |
| ·Contrastive analysis | 第50-51页 |
| ·Error analysis | 第51-52页 |
| ·Interlanguage | 第52-53页 |
| ·Comment on the study of three grammar-based researches | 第53-55页 |
| ·Perspectives on L2 Learners' style from use-oriented approach | 第55-59页 |
| ·Tarone's position | 第55-56页 |
| ·Enkvist's model on L2 learners' style | 第56-57页 |
| ·Comment on the two theoretic constructs | 第57-59页 |
| ·Summary | 第59-61页 |
| Chapter 3 VP-Style at Early Stage of L2 Learning | 第61-88页 |
| ·Introduction | 第61页 |
| ·Range of Choice for L2 Beginners | 第61-71页 |
| ·Functional morphemes and syntax | 第62-63页 |
| ·L2 English learners' syntax structures | 第63-69页 |
| ·VP -style of lexical projection | 第65-67页 |
| ·The IP-style | 第67-69页 |
| ·Developmental problem of L2 grammar | 第69-71页 |
| ·Summary | 第71页 |
| ·An Investigation | 第71-79页 |
| ·Material and method | 第72页 |
| ·Subjects and hypothesis in this chapter | 第72-74页 |
| ·Procedures and result | 第74-76页 |
| ·Discussion | 第76-79页 |
| ·More on Lexieal Projection by L2 Beginners | 第79页 |
| ·Summary | 第79-81页 |
| ·A Special Case of VP-style---Formulaic Expressions | 第81-86页 |
| ·Formulaic expressions in L2 acquisition | 第81-84页 |
| ·Views on roles of formulas in L2 acquisition | 第84页 |
| ·Differences of formulas-use in L1 and L2 | 第84-85页 |
| ·Summary | 第85-86页 |
| ·Conclusion | 第86-88页 |
| Chapter 4 Style of Optionality at the Underspecification Stage of IP and CP | 第88-151页 |
| ·Introduction | 第88-89页 |
| ·Why Negatives and Interrogatives as Two Emerging Structures for Specification oflP and CP? | 第89-90页 |
| ·Negative Structures | 第90-99页 |
| ·VP-style of negatives | 第91-93页 |
| ·Parallel IP-style of negatives | 第93-95页 |
| ·Style features of Chinese L2 learners' negative structures | 第95-98页 |
| ·Constructions with only Lexical Projections | 第96-97页 |
| ·Constructions with underspecified or minimally-specified I | 第97页 |
| ·Constructions in relation with 'do-support' | 第97-98页 |
| ·Constructions from 'do-support' extension | 第98页 |
| ·Summary | 第98-99页 |
| ·Interrogative Structures | 第99-114页 |
| ·Introduction | 第99-100页 |
| ·Syntactic features of English interrogatives | 第100-102页 |
| ·Movement in interrogative sentences | 第102-107页 |
| ·Motivation of movement in interrogative structures | 第102-104页 |
| ·Structures of wh-questions and yes-no questions | 第104-106页 |
| ·Constraints in movement | 第106-107页 |
| ·Types of verb movements in questions | 第107-108页 |
| ·Linguistic evolution and choice of style by L2 learners | 第108-113页 |
| ·Summary | 第113-114页 |
| ·Typological Influence on Learners' Syntactic Style | 第114-136页 |
| ·Features of topic-constructions in Chinese | 第116-118页 |
| ·Transitional L2 English features from Chinese | 第118-129页 |
| ·Style with null subject or object | 第119-122页 |
| ·Non-referential NPs | 第122-124页 |
| ·Double nominative constructions | 第124-125页 |
| ·Topic structure in 'there be' construction | 第125-126页 |
| ·Pseudo-passive constructions | 第126-129页 |
| ·An investigation | 第129-130页 |
| ·More analysis on motivation of Pseudo-passives | 第130-131页 |
| ·Syntactic deviation of advanced L2 learners | 第131-135页 |
| ·Summary | 第135-136页 |
| ·Experiments of DC and DB | 第136-149页 |
| ·Subjects and procedures | 第136-137页 |
| ·Result | 第137-140页 |
| ·Discussion | 第140-149页 |
| ·Views on optionality | 第140-143页 |
| ·Optionality driven by UG | 第143-146页 |
| ·Optionality from Chinese | 第146-148页 |
| ·Summary | 第148-149页 |
| ·Conclusion | 第149-151页 |
| Chapter 5 CP-Style of Discourse: Explicit and Inexplicit Syntactic Structures | 第151-202页 |
| ·Introduction | 第151-152页 |
| ·Factors Affecting Choice of Style in Use | 第152-159页 |
| ·Field of discourse | 第154页 |
| ·Mode of discourse | 第154-157页 |
| ·Tenor of discourse | 第157-159页 |
| ·Motivations of Appropriateness in Linguistic Production | 第159-168页 |
| ·Usage and use (signification and value) in L2 acquisition | 第159-161页 |
| ·Appropriateness in choice | 第161-165页 |
| ·Functional and grammatical appropriateness | 第161-164页 |
| ·Signification and value | 第164-165页 |
| ·Coherence and appropriateness | 第165-168页 |
| ·Overt coherence or cohesion | 第166-167页 |
| ·Covert coherence | 第167-168页 |
| ·Choice of lnexplicit Constitutes or Structures for Appropriateness | 第168-180页 |
| ·Covert structure in spoken form | 第169-172页 |
| ·Covert structures in written forms | 第172-174页 |
| ·Explaining choice of overt structures | 第174-180页 |
| ·Case Study to the Students' Linguistic Production | 第180-196页 |
| ·Basic assumption | 第180-181页 |
| ·Aim and experiment procedures | 第181页 |
| ·Result and discussion | 第181-185页 |
| ·More discussion | 第185-196页 |
| ·Grammatical mistakes | 第186-187页 |
| ·Formal or neutral style in place of informal speech | 第187-189页 |
| ·Verbosity | 第189-193页 |
| ·Chinese transfer | 第193-194页 |
| ·Strategies-driven inappropriateness | 第194-196页 |
| ·Summary | 第196-197页 |
| ·Difference Between Inexplicitness and Improper Fragments | 第197-199页 |
| ·Conclusion | 第199-202页 |
| Chapter 6 Conclusion | 第202-210页 |
| ·Concluding Remarks | 第202-205页 |
| ·Implications | 第205-208页 |
| ·Open Questions | 第208-210页 |
| Appendix 1 | 第210页 |
| Appendix 2 | 第210-211页 |
| Appendix 3 | 第211页 |
| Appendix 4 | 第211-217页 |
| Appendix 5 | 第217-220页 |
| Bibliography | 第220-231页 |
| Index | 第231-234页 |
