GRAMMAR

We have to learn a lot of grammar because it's the base to speak English very well, and it's not the mainly thing that we have to learn, but there are one thing more important than it and it's the SPEAKING.

http://linguistics.ohio.edu/opie/?page_id=1236

SPEAKING

The speaking is more important than the grammar because when we speak and practice speaking, never mind how but we try to organize our ideas and go speaking more and more.

http://www.cambridge.org/elt/blog/2015/10/tell-dialogues-speaking-practice/