... called modal verbs or modal auxiliaries. The modal auxiliaries such as can, could, may, might, will, would, must,should and ought to express different types of modal meanings. These modal auxiliaries ... nói về nó. (1: 130 ))2.2. A Contrastive analysis of the meanings expressed via the modal verbs can, may, must in English and the equivalent expressions inVietnamese2.2.1. Can, may, must and ... analysis of the modal meanings expressed via can, may, must in English and the equivalent expressions in VietnameseAs mentioned in the part 2.1 (Conventional meanings of English modals can, may, must),can...