FRAJZYNGIER, Z. An Explanation for Periphrastic Passives, or ’Why Is "Be" in the Passive?’. Colorado Research in Linguistics, [S. l.], v. 6, 1976. DOI: 10.33011/cril.6.1.1. Disponível em: https://journals.colorado.edu/index.php/cril/article/view/91. Acesso em: 27 apr. 2024.