Gomes Alves , Matheus, Fernanda Costa da Silva Machado, and Juliana Barros Nespoli. “Linguistic Theories and the Teaching of Foreign Language: Standpoints for the Teaching of the Perfect Aspect to Brazilian Learners of English”. BELT - Brazilian English Language Teaching Journal 11, no. 2 (December 31, 2020): e39904. Accessed April 27, 2024. https://revistaseletronicas.pucrs.br/index.php/belt/article/view/39904.