"might, may and could"
When I should use "might" when "may" and "could". In Polish that's mean this same and I just don't know when I could use it. Everything what I write be resist on intuition.

Question

Answer

They are all about posssibilities but they are used  differently.
http://english.stackexchange.com/questions/99957/what-is-the-difference-between-can-could-may-and-might

If this is still confusing then you need to book a lesson with a tutor/teacher.