First composition

I have been learning English already for more than decade, but but my level is still basic. I think I took the wrong path.
Now, I am trying to learn English in new way.

I was already learning english for more than a decade, but i am still at a child's level of the language. I think i chose a bad way of learning it (or, made a mistake in my learning methods). Now,I am trying to learing english a new way.