Conditional Sentences
| Protasis | Apodosis | |
| I. | εἰ + indicative | any tense, any mood |
| II. | εἰ + past indicative | (ἄν) + past indicative |
| III. | ἐάν + subjunctive | any tense, any mood |
| IV. | εἰ + optative | ἄν + optative |
| Protasis | Apodosis | |
| I. | εἰ + indicative | any tense, any mood |
| II. | εἰ + past indicative | (ἄν) + past indicative |
| III. | ἐάν + subjunctive | any tense, any mood |
| IV. | εἰ + optative | ἄν + optative |