What are the best way to improve grammar and speaking english ?

First notebook entry: Introducing myself My name is Saroj Tuladhar. Currently i'm preparing for Post Graduate Level Studies. I want to learn English because it is playing a very important role in our day to day life. apart from that the reason i wanted to learn english is to become a English Teacher. And i'm sure that i will be successful with the help of italki.com and friends from all over the world.