The forms and functions of modal verbs

The subject of our investigation is to define peculiarities of different forms and functions of modal verbs in the book “The Life and Adventures of Robinson Crusoe” by Daniel Defoe.
The aim of our work is to determine the basic principles of the forms and functions of modal verbs and to specify the main aspects of its realization in the book “The Life and Adventures of Robinson Crusoe” by Daniel Defoe.

INTRODUCTION…………………………………………………………………3
CHAPTER I. THE FORMS AND FUNCTIONS OF MODAL VERBS………....5
1.1. General notions about the modal verbs ………..………………………5
1.2. The forms and functions of the modal verbs …………………………..7
1.2.1. The modal verbs can and may……………………………………7
1.2.2. The modal verb must…………………………………………....13
1.2.3. The modal verbs should and ought to…………………….......…15
1.2.4. The modal verbs shall and will………………………………….17
1.2.5. The modal verbs need and dare…………………………………20
1.2.6. The modal verbs to have to, to be to, to have got to…………….22
CHAPTER II. THE ANALYSIS OF MODAL VERBS IN THE BOOK “THE LIFE AND ADVENTURES OF ROBINSON CRUSOE” BY DANIEL DEFOE……………………………………………………………………………25
CONCLUSIONS………………………………………………………………….34
REFERENCES……………………………………………………………………35