“I HAD class TOMORROW“ - English is Weird!

Is this sentence correct? What does it mean? How can I talk about future plans in English? What’s the meaning of life!? __________________________________________ Improve your English with Audiobooks with a 30 day free trial: __________________________________________ Books I recommend for self-study: I use these books in my classes! Past papers are ALWAYS the way to go! So if you need to prepare for any of these exams, these are the BEST books that we teachers use! IEL