Herbert Weir Smyth, A Greek Grammar for Colleges

FIRST AND SECOND FUTURE PASSIVE (589, 597）

[*] 664. The indicative adds -μαι to the stem ending in -θησο- or -ησο-, as λυθήσο-μαι, φανή-σο-μαι. For the two forms of the second person singular see 628. The optative adds -ι_-μην, as λυθησο-ί_-μην, φανησο-ί_-μην. The infinitive adds -σθαι, as λυθή-σε-σθαι, φανή-σε-σθαι. The participle adds -μενος, as λυθησό-μενος, φανησό-μενος.