Ты: What are you going to do when the lesson finishes?
Партнер: I'm going to have lunch.
Ты: What are you going to do when you get up tomorrow?
Партнер: I'm going to get ready for school.
Ты: What are you going to do at the weekend?
Партнер: I'm going to play video games.
Ты: What are you going to do in the school holidays?
Партнер: I'm going to visit my grandparents.
Ты: What are you going to do when you're 18?
Партнер: I'm going to get my driver's license.