ELTAIF, S. A.-. R. Uses of Periphrastic Do in English. Journal of Tikrit University for Humanities, [S. l.], v. 29, n. 1, 2, p. 108–120, 2022. DOI: 10.25130/jtuh.29.1.2.2022.25. Disponível em: https://jtuh.org/index.php/jtuh/article/view/1787. Acesso em: 16 jul. 2026.