The use of previously known languages and target language (English) during task-based interaction: A pseudolongitudinal study of primary-school CLIL learners

(Pseudo)longitudinal studies of the use of previously known languages (PKL) and the target language (TL) during interaction are still scarce in Content and Language Integrated Learning (CLIL) contexts, particularly those with young learners. This paper examines the use of PKLs (Basque-Spanish) and the TL English in various categories (appeals for assistance- clarification requests-metacomments-discourse markers-private...