| Abstract | 第1-7页 |
| 摘要 | 第7-9页 |
| Contents | 第9-12页 |
| Chapter One Introduction | 第12-16页 |
| ·Research background | 第12页 |
| ·Research objective | 第12-13页 |
| ·Research significance | 第13-14页 |
| ·Organization of the thesis | 第14-16页 |
| Chapter Two Literature Review | 第16-41页 |
| ·Studies on Tough Construction | 第16-30页 |
| ·The Introduction of the adjective constructions NP + be AP + toVP | 第16-17页 |
| ·TC, expletive-headed TC and infinitival TC | 第17-19页 |
| ·The using frequency of TC, expletive-headed TC and infinitival TC | 第19-20页 |
| ·The class of tough predicates | 第20-23页 |
| ·The difficulty in interpreting TC | 第23-24页 |
| ·Diachronic evidence for subject-focused readings of Tough Construction | 第24-26页 |
| ·Plausible TCs | 第26-30页 |
| ·Summary | 第30页 |
| ·Previous studies on the acquisition of TC | 第30-41页 |
| ·Studies of TC acquisition in L1 | 第31-36页 |
| ·Studies of TC acquisition in second language | 第36-39页 |
| ·Summary | 第39-41页 |
| Chapter Three Construction-Chunk Approach | 第41-56页 |
| ·The theoretical framework of CCA | 第41-48页 |
| ·Construction grammar | 第41-44页 |
| ·The definition of construction | 第41-43页 |
| ·The existence of TC as a construction | 第43-44页 |
| ·Chunk theory | 第44-47页 |
| ·Definition of chunks under CCA | 第44-46页 |
| ·The chunking of TC | 第46-47页 |
| ·Summary | 第47-48页 |
| ·Construction-Chunk Approach | 第48-56页 |
| ·Background of Construction-Chunk Approach | 第48-51页 |
| ·Principles of Construction-Chunk Approach | 第51-53页 |
| ·Teaching plan of Construction-Chunk Approach | 第53-54页 |
| ·The advantages of CCA | 第54-55页 |
| ·Summary | 第55-56页 |
| Chapter Four Methodology | 第56-73页 |
| ·Research questions and hypotheses | 第56-57页 |
| ·Subjects | 第57-58页 |
| ·Test material | 第58-60页 |
| ·Pre-post test questionnaire | 第58-60页 |
| ·Interview | 第60页 |
| ·Instruments | 第60-63页 |
| ·Pilot test | 第60-61页 |
| ·Justification for employing CCA | 第61-62页 |
| ·Pretest | 第62-63页 |
| ·Teaching procedures | 第63-71页 |
| ·The teaching procedures of the experimental class | 第64-70页 |
| ·The teaching procedures of the control class | 第70-71页 |
| ·Review and practice | 第71页 |
| ·Statistics analysis and interview analysis design | 第71-72页 |
| ·Summary | 第72-73页 |
| Chapter Five Results and Discussions | 第73-82页 |
| ·Results | 第73-76页 |
| ·Statistical comparison of the control class’s TC acquisition in pre- and post- test | 第73-74页 |
| ·Statistical comparison of the experimental class’s TC acquisition in pre- and post- test | 第74-76页 |
| ·The difference of students’ TC acquisition between control class and experimental class after experiment | 第76页 |
| ·Discussions | 第76-80页 |
| ·Discussion of the answers to the first research question | 第76-78页 |
| ·Discussion of the answers to the second research question | 第78-80页 |
| ·Pedagogical implications | 第80-81页 |
| ·Summary | 第81-82页 |
| Chapter Six Conclusions | 第82-85页 |
| ·Major findings | 第82-83页 |
| ·Limitations and suggestions for future research | 第83-85页 |
| ·Limitations | 第83-84页 |
| ·Suggestions | 第84-85页 |
| References | 第85-90页 |
| Acknowledgements | 第90-91页 |
| Academic Paper Published During Postgraduate Study | 第91-92页 |
| Appendices | 第92-100页 |
| List of Tables and Figures | 第100页 |
