So many years of english learning but still can't speak, why?

A lot of English learners had learnt English for many years but could not put it to use. The question is, why couldn't they put it to use. That's very easy question for me, and here is the easy answer for the easy question - they never use it. As I had mentioned on my previous article the best way to learn english is from two channels of
input skill, that is listening and reading.