Vastake - English

I learned english few years ago in university , and now i have no ways to use it.
So , i writing this text , becouse i want to know how good i remember or studied it in those years.
How much different mistakes i have in it.
Allso i know that i'm bad with times like past perfect and other , so if here are some persons which can correct my mistakes and help to regain my language skills that i had in student times i shall be very happy.
Also i can help a little with russian or ukrainin if someone need it.Both - my native.
Thank you for your attention and good luck !