The present participle — a verbal adjective with tense/voice and gender/number/case. Drill the active (λύων) and middle/passive (λυόμενος) forms, and the three uses: adjectival, substantival (ὁ πιστεύων), and adverbial. Translate participles by function in context. Unlock each subtopic by scoring at least 90% on its mastery check.