I can't learn English. Help me please

I am Turkish, and my native language is Turkish. I took English lessons from the age of 8 to 22 in school. I also attended an English course for a short period when I was 25. I don't watch movies or TV series, play computer games, or listen to songs with lyrics. I am currently 36 years old, and my English level has dropped from A2 to A1. I forget it more the less I use it. Do you know any effective method to learn English?