Acknowledgements -- Introduction Research design and methodology in L2 studies of tense and aspect -- Part I. Theoretical representations of tense and aspect in L2 studies -- Chapter 1. A Cognitive Grammar perspective on tense and aspect -- Chapter 2. The Spanish preterite and imperfect from a cognitive point of view -- Chapter 3. Frequency-based grammar and the acquisition of tense and aspect in L2 learning -- Chapter 4. Generative approaches to the L2 acquisition of temporal-aspectual-mood systems -- Part II. Research design and methodology in L2 studies of tense and aspect -- Chapter 5. Research design: A two-way predicational system is better than a four-way approach -- Chapter 6. Research design: Operationalizing and testing hypotheses -- Chapter 7. Research design: From text to task -- Chapter 8. Defining and coding data: Lexical aspect in L2 studies -- Chapter 9. Defining and coding data: Narrative discourse grounding in L2 studies -- Chapter 10. Data analysis: Quantitative approaches -- Chapter 11. Data analysis: The qualitative analysis of actionality in learner language -- Chapter 12. Integrating the analyses of tense and aspect across research and methodological frameworks -- Author biographies -- Subject index.