MORATO, Rodrigo Altair; ZIEGLER, Jayden. The acquisition of tense and aspect: Evidence from Portuguese and Spanish. Cadernos CESPUC de Pesquisa Série Ensaios, Belo Horizonte, n. 33, p. 36–49, 2018. DOI: 10.5752/P.2358-3231.n33p36-49. Disponível em: https://periodicos.pucminas.br/cadernoscespuc/article/view/18769. Acesso em: 6 set. 2025.