Freitag, Raquel Meister Ko. “Variation in Verbal Categories: Form and Function Correlations”. Estudos Linguísticos (São Paulo. 1978) 40, no. 2 (April 4, 2016): 1121–1132. Accessed July 22, 2024. https://revistadogel.emnuvens.com.br/estudos-linguisticos/article/view/1365.