He detected grammatical niceties in Latin, in regard to the consecution of tenses which had escaped preceding critics.
The verb has four tenses in the indicative, one in the subjunctive, and one in the imperative.
As in Bantu, the verb presents a multiplicity of forms, including one present, three past and future tenses, with personal endings complete, passive, interrogative, conditional, elective, negative and other forms, each with its proper participial inflexions.
The typical Coptic root thus became biliteral rather than triliteral, and the verb, by means of periphrases, developed tenses of remarkable precision.
In the Ebon language, however, the tenses are sometimes marked; but in that the simple form of the verb is frequently given.