A book, a method of learning èʋè by mastering the rules of grammar, the rules of conjugation in different modes and times; but also by an overview of the cultural realities conveyed by the Gbè languages through the èʋè example.
 Do èʋè gbè is also a set of scenarios with usage formulas that can be used in a conversation. It is also a small lexicon, a list of thematic vocabularies and a list of verbs (transitive and intransitive) which prefigures the development of a dictionary.