How can improve my English?
Keep speaking it!
Ok, you know how babies...
they dont know a word of English and the only thing you can do is just talk to them. =]
That's the best way to learn in my eyes, just speaking it and getting more familiar with it. =D
Listening to spoken English on the radio is very helpful (as long as the speakers are good!). You pick up useful phrases and just get a 'feel' for how the language works naturally.
Well, there's that, and there also is reading. Books can really help. It worked for me, I think it will work for you.
Here are some tips to improve English. Read