A study of structures and classes in the grammar of modern Yoruba

The present study differs from any previous study in that it is consciously based on a theory. Unlike previous grammars, categories established in the grammar are defined, and their relation to one another is implied in the interrelation of the hierarchy of units in the theory. The categories set up for the grammar are based on the internal structure of the language and are not derived from the categories of English Grammar or of any other language