Perfect Infinitives

42.13 To form the INFINITIVE mood, the PERFECT TENSE uses the same endings as –μι verbs, though in the active an –ε– is added before the infinitive ending. The persistent accent is on the PENULT.

• –έναι = active
  • λελυκέναι
• –σθαι = middle
  • λελύσθαι