The materials of the book are chiefly ment for the students of the English department of higher educational institutions who are training to become teachers of English. Its structure and contents of the present are composed in accordance with demands of the educational-methodic complex of the discipline which is based on the syllabus of the subject and meets the requiements of the State Educational Standard. In the composition of the book all the requiements of the curriculum and the syllabus of the subject Theoretical course of English phonetics are taken into consideration. The book includes materials on the phonemic system of English, its suprasegmental units and the characteristic features of connected speech. The aim of the book is to provide the students with nessessary materials, which will help them in their future profession. The materials may also be successfully used by teachers and postgraduates.