You can also find teachers here to learn a language, that might be more useful. Just press "professional lessons" or "informal tutoring".

if you want to improve your writting skill, let post your essay on your note entry, native speakers or no-native speakers will help you correct it.

if you want to ask grammars, you should write it on discussion item, i think you can get the answer faster.

about speaking, let try to make friend with someone, and practise speaking everyday.

thanks Hanna :)

I will try