“MODAL VERBS AND THEIR FUNCTIONS: LEARNING DIFFICULTIES AND SOLUTIONS FOR STUDENTS”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ, [S. l.], v. 83, n. 2, p. 358–366, 2025. Disponível em: https://journalss.org/index.php/obr/article/view/10009. Acesso em: 14 jan. 2026.