The document provides a lesson plan for a 4th year English class on the topic of health problems and first aid. The plan includes the following: (1) learning aims focused on developing speaking, writing, listening skills using 'could'/'couldn't' to talk about past ability; (2) materials including a laptop, cards, photocopies; (3) procedures including watching a video, completing exercises, and playing a group puzzle game to practice the target grammar. The lesson concludes with congratulating students and wishing them a nice weekend.