MODAL VERBS CAN, MAY, MUST. THE FORMS AND USE.

This thesis deals with a closed class of modal verbs, both in terms of morphological-syntactic and in terms of functional-semantic. It explores the common formal features with the auxiliary verbs and their use in contemporary English. The work is divided into a theoretical part classifying the issues of modal verbs and a practical part focusing on practising the theory which has been mentioned. The practical part is further divided into several levels from the simplest to the most difficult. The conclusion of the work is formed by a summary test containing three parts and their evaluations