present, past, or future; and also its character as going on, finished, or simply taking place. The latter relation is expressed by the tenses in all the moods and in the infinitive and the participle; the former is always expressed in the indicative, and to a certain extent (to be explained below) in the dependent moods and the participle. 21. The tenses are divided into primary tenses, which denote present or future time, and secondary or historical tenses, which denote past time. This distinction