1. How and what should I do to have a good communication with my partner?

Could you elaborate a little more please?

What's going on in your relationship that makes you feel like you lack communication?

Could it be you don't know how to communicate?

I agree with kitkat, you might want to start slow with whole paragraphs and not just a mere sentence.

Paying attention, and being a good listener, is a great start. Knowing yourself is also required.