Student or Learner
is this sentense right or wrong ?
my room walls are pink.
I'm not ready to say it's actually wrong, because you can argue that you use "room" as an adjective. But it's not natural.
The walls of my room are pink or My room has pink walls is much better. My room's walls are pink is also okay, but some people seem to resist using a possessive 's with an inanimate noun.
[writer, not teacher]