On the use of the Perfect Subjunctive in Prohibitions, see below, VIII. 9 Its Potential use, e.g. crediderim ‘I could believe,’ dixerim ‘I would say’ (all Verb-forms in -im were originally Optatives; see below, 24) is not unknown to Plautus and Terence, e.g.
- Asin. 491 “praefiscini hoc nunc dixerim”,
- Ter. Andr. 203 “ubivis facilius passus sim quam in hac re me deludier.”