On 20th and 21st June 2022, the IV Conference on Principles and Practices of Training in Foreign Languages ​​will take place at the Auditório da Escola de Letras e Ciências Humanas, The University of Minho, organised by the directorates of the Masters in Spanish as a Second Language/Foreign Language, Portuguese and German Studies, and Portuguese as a Second Language/Foreign Language. Its purpose is to bring together students from these courses and from other ELACH Masters, as well as researchers and teachers interested in issues related to foreign languages and the learning, acquisition and teaching processes that underlie them. Thus, these Conferences are, since their first edition, a space for reflection and debate, with a multilingual, multicultural and intergenerational focus.