내일 영화를 보는데 괜찮아요? -> I'm gonna watch movies tomorrow, are you OK to go to movie with me 내일 영화를 봐도 돼요? -> Is it OK for you or (for me) to watch movies tomorrow? it is depending on situation. for you -> agreement / for me -> permission 내일 영화를 보면 돼요? -> situation 1 * B is like movies so much. You've already known that. A : Do you want to go to eat for something? B: No. I don't like it. A: Do you want to go back home? B: No. I don't mean to do. A: alright, Are you OK to go to movies?!!! (알았어 그럼 영화보면 돼?!) Situation2 *you had assignment that watches movies, but you didn't get what you have to do. A: I don't know what is our assignment for XX class. B: you should write article about XYZ. A: I don't know what is this. B: hmm. just watch the movies about it. A: Oh! Watching movies is a solution for essay? (영화 보면 돼? . 돼 = 되다 means OK,treat,make,solution etc. it depends on situation, Exact verbs for the situation can sometimes be substituted with 되다.) B: Yes. I think it will be the best solution for you.

I meant you should tell us what you meant or give us the informations of what you meant.

The above sentences might have meant many different meanings according to the context. Hence, you should give us what you meant in English.