... 130))2.2. A Contrastive analysis of the meanings expressed via the modal verbs can, may, must in English and the equivalent expressions in Vietnamese 2.2.1. Can, may, must and their equivalents in Vietnamese 2.2.1.1. ... only.27 contrastive analysis of the meanings expressed via the modal verbs can, may, must in English and the equivalent expressions in Vietnamese. 2. Aims of the studyThis study - A contrastive analysis ... analysis of the meanings expressed via the modals can, may, must in English and the equivalent expressions in Vietnamese – is focused oninvestigating the semantic analysis of modal meanings expressed...