Just talk to real people in english. Dont worry about making mistakes. everyone make mistake including native english speaker.
Start watching english movies or download and practice learn english at home course Or maybe join some classes
1.Class 2.Talk or communicate with real people 3. Listen to English song 4.Sing English song 5.Watch English. 6. Call toll free line and use them to practice your communication skill.
Start watching English movies, read the English dictionary and read more English books. That saves you a lot of time.
Watch English movies, BBC News, CNN and subscribe to English newspapers. Also see this Learning English by BBC.
I agree, I used to watch Korean drama, and I start picking up the language. Get use to watch movie and listen to English song. And the go to many events where you can practice your skill.