The best way of learning a language is using it. If you want to learn English well,
you should talk in English as much as possible. Then, I think an interest in English
is very important. If you are interested in English, you will find everything easy.
Finally, reading English stories, jokes and easy novels is also necessary.
From these you will know English is not only interesting, but also useful.
If you can do these, you will be a good English learner.