This seminar offers secondary educators a practical exploration of receptive and productive activities and games designed to reinforce grammar concepts with teenagers aged 12 to 19. Participants will gain insights into teaching grammar across different proficiency levels, share effective teaching strategies, explore versatile activities applicable to various grammar points, delve into specific games for targeted learning, and engage in resource sharing to enrich their grammar teaching toolkit. Through collaborative learning and hands-on exploration, educators will enhance their ability to create engaging and effective grammar lessons for teenage learners.