Contract verbs — foundations and the lexical-vs-surface form distinction, the three contraction rules (α/ε/ο meeting the connecting vowel), the α-contract paradigm (ἀγαπάω → ἀγαπῶ), the ε-contract paradigm (ποιέω → ποιῶ) derived in Step 1/2/3, the ο-contract paradigm (πληρόω → πληρῶ), a side-by-side comparison of all three families, the contract-verb parsing workflow, translating contract verbs in NT prose, and the 26 Lesson 11 vocabulary words. Unlock each subtopic by scoring at least 90% on its mastery check.