The verb has four tenses in the indicative, one in the subjunctive, and one in the imperative.
He detected grammatical niceties in Latin, in regard to the consecution of tenses which had escaped preceding critics.
Whereas the Hebrew verb is devoid of real tenses, and only expresses an action as completed or as in process without indicating time past, present or future, Syriac has by the help of an auxiliary verb constructed a set of tenses.
Trans., Oxford, 1910); also Driver, Treatise the Use of the Tenses in Hebrew (3rd ed., Oxford, 1892).
Protagoras was the first to systematize grammar, distinguishing the parts of speech, the tenses and the moods.