Voice foundations (active vs middle vs passive, why the middle voice is uniquely Greek, and why context decides), the three voices in depth, the six middle/passive personal endings, the present M/P paradigm of λύομαι derived in Step 1/2/3 (with the tricky 2 sg λύῃ contraction flagged), deponent verbs (middle in form, active in meaning), the parsing workflow for middle/passive forms (including the active-vs-middle-vs-passive choice), translating middle and passive voice in context (with ὑπό + gen for the agent), and the 14 Lesson 12 vocabulary verbs. Unlock each subtopic by scoring at least 90% on its mastery check.