I think the accumulation of English abilities aren't obvious immediately.
Excellent application of communication should base on a basically work, recite, what many outstanding people do as routine.
First of all, we must memorize enough words for making sentenses which could express what i mean and how i feel.
Second, the importance of grammar has depend on how complex a paragraph is.
Finally, learning the usage of every idioms should be used as well as meanings.
Words -> Grammar -> Usage
Don't forget something that may confused you, Merely seeing movies and listening to musics just a little help of studying English, unless you will make it a rule to do that for many years.
You must learn it well by your perseverance after all.