- Language acquisition in diverse linguistic settings.
- Acquisition of English as an L2 by multilingual speakers, taking into account their other languages and analysing data from the point of view of phonetics, syntax, morphology and pragmatics, within the frame of applied linguistics.
- L2 multimodal perception (auditory and audiovisual).
- Auditory and articulatory training for the improvement in L2 production.
- Diachrony and synchrony: variation and language change.