Chapter 1 Introduction

1.1 Background of the Study

1.1.1 Functions of Logical Elements in Knowledge Construction

1.1.2 Complex Sentences and Knowledge Construction

1.2 Rationale of the Study

1.3 Research Objectives and Questions

1.4 Data Collection and Methodology

1.5 Organization of the Book

Chapter 2 Literature Review

2.1 Review of Studies of FCCs

2.1.1 Traditional Approaches to FCCs

2.1.2 Cognitive Linguistics

2.1.3 Systemic Functional Linguistics

2.1.4 Comment on These Approaches

2.2 Review of Studies of Coniunctions

2.2.1 Traditional Grammar

2.2.2 Systemic Functional Linguistics

2.2.3 Comment on These Approaches

2.3 Studies of TBs

2.3.1 Academic Status of TBs

2.3.2 A Survey of Studies ofTBs

2.4 Summary

Chapter 3 Theoretical Framework

3.1 KeyNotions

3.1.1 Metafunctions

3.1.2 Choice and Probabilistic

3.1.3 Register

3.1.4 Genre

3.1.5 Academic Language Socialization

3.1.6 Constructive Perspective on Knowledge

3.1.7 Knowledge Construction in TBs

3.1.8 Explanation and Verbal Reasoning

3.1.9 Brief Comment on These Notions

3.2 Analytic Framework

3.2.1 Expansive FCCs

3.2.2 Projective FCCs

3.2.3 Conjunctions

3.2.4 Projecting Verbs

3.2.5 Projectors

3.3 Reasons for Choosing SFL

3.4 Summary

Chapter 4 Expansive FCCs and Knowledge Construction（1）：Extensive FCCs and Elaborative FCCs

4.1 Elaborative and Extensive FCCs in Knowledge Construction

4.2 Details of Extensive FCCs in the Sub-Corpora

4.3 Extensive FCCs and Knowledge Construction

4.3.1 Paratactic Extensive FCCs and Their Functions

4.3.2 Hypotactic Extensive FCCs and Their Functions

4.4 Elaborative FCCs and Knowledge Construction

4.4.1 Elaborative FCCs in TBs

4.5 Comparison of Extensive FCCs and Elaborative FCCs

4.6 Summary

Chapter 5 Expansive FCCs and Knowledge Construction（2）：Enhancement FCCs

5.1 Enhancement FCCs and Conjunctions

5.2 Overall Features of Enhancement FCCs in TBs

5.3 Causal Relation and Knowledge Construction

5.3.1 Frequencies ofCausal Relation in the Corpus

5.3.2 Causal Relation and Knowledge Construction

5.3.3 Organizations ofCause and Effect

5.4 Conditional Relation and Knowledge Construction

5.4.1 Studies ofConditionals

5.4.2 Quantitative Results of Conditionals and Their Functions

5.5 Concessive Relation and Knowledge Construction

5.6 Temporal Relation and Knowledge Construction

5.7 Manner Realtion and Knowledge Construction

5.8 Comparison of Disciplinary Features of Enhancement FCCs

5.9 Summary

Chapter 6 Projective FCCs and Knowledge Construction

6.1 Projective FCCs in TBs

6.2 Features of Projectors

6.2.1 Classification of Projectors

6.2.2 Overall Features ofProjectors in TBs

6.2.3 Projectors and Knowledge Construction

6.2.4 Comment on Projectors in TBs

6.3 Projecting Verbs and Knowledge Construction

6.3.1 Studies ofProjecting Verbs

6.3.2 Classification ofProjecting Verbs

6.3.3 Projecting Verbs and Knowledge Construction

6.3.4 Modality and Tense in Projective FCCs and Their Function

6.4 Interaction Between Projectors and Projecting Verbs

6.5 Summary

Chapter 7 Conclusion

7.1 Quantitative Results and Discussion

7.2 Significance of the Current Study

7.3 Limitations and Suggestions

Appendix Data Samples

Phycorp

Extract 1

Extract 2

Extract 3

Psycorp

Extract 1

Extract 2

Extract 3

Ecocorp

Extract 1

Extract 2

Extract 3

References

致谢