what should you do if you want to inprove your English

How to improve English?As for me,I will do as follows:first,I spend more time studying English,both for reading and listening,because in my opinion,they two are very important.Second,I will use a grammer book to help me remember the rules in english.Third,I will often exchange my leaning experience on English with my classmates,then we can improve our English togerher.
I belive that if I work harder in English,I can improve it