§480. Tenses of the Subjunctive
The tenses of the Subjunctive in Independent Clauses denote time in relation to the time of the speaker.
The Present always refers to future (or indefinite) time, the Imperfect to either past or present, the Perfect to either future or past, the Pluperfect always to past.
J. H. Allen and J. B. Greenough, New Latin Grammar (Boston: Ginn, 1903). Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities.