Though there are stillseveral wstandards of English even today.

However, English – speaking persons of the 20 th century have no problem no serious difficulties in understanding one another , no matter whether they speak to an American, to an Australian, or to a British- born person. There are some diffetences between the different standars and dialects, but they seldom cause a breakdown in communication.

The sutdy of the history of language development is called a diachronical study, while the one that is concerned with the description of contemporary language, is called synchronical. Comparative linguistics deals with the description and comparison of two different periods in the development of the same language.