Actors have the inside scoop on some of the most efficient tricks to mastering English quickly.
When writing English, style guides offer basic rules and norms for English usage.
Listening Skills - Audio Books for English learners
your ears will tune into sounds and words that are similar to your own language, but may well ignore sounds that are unfamiliar. You need to train them, just like you have to train your mouth a bit when you're practising pronunciation. Find podcasts, mp3 files, videos and songs.
Incorporate English into your daily life. Live it, love it.