SAAD ELARFI , M. The Problems Facing the Second Semester Students in the English Department in Learning English Modal Verbs. مجلة كلية الاداب, [S. l.], n. 42, 2022. DOI: 10.37376/jofoa.vi42.2743. Disponível em: https://next.fannak.com/index.php/JOFOA/article/view/2743. Acesso em: 23 8. 2026.