Помогите пожалуйста. Очень прошу. ПОЖАЛУЙСТА.

Next year I'm going to be in a graduating class, so I'll have to study a lot and get ready for my exams. When I graduate from school, I'll enter a university I want. In ten years' time I'll probably have a family already! And I'll have a work as well. In 2020, I'll still be studying in the university and having lots of fun with my friends in your free time. In the next century, if I'll still be alive, I'll be very old, but I guess I;ll spend my time with my grandchildren.