Optative (in indirect discourse).—When the optative in indirect discourse represents the indicative after a past tense of a
a. The present optative represents the imperfect as well as the present indicative.
b. The future optative (first in Pindar) occurs only in indirect discourse after
c. When the optative in indirect discourse represents the subjunctive ( cross2619 b), its tenses denote only stage of action.
Herbert Weir Smyth [n.d.], A Greek Grammar for Colleges; Machine readable text [info] [word count] [Smyth].