How would it be if an English speaking person teaches you English and that too free?
It's not a dream, and it's within your access and with bountiful resources.
Please visit the links below:
1. 6 minutes grammar: I know how boring grammar could be, but not anymore when you listen to it as a story and have practical learning methods:
http://www.bbc.co.uk/learningenglish/english/course/lower-intermediate/unit-1/session-2/activity-4
2. Learn through BBC's youtube channel: There are 100s of episodes with real time conversations.
https://drive.google.com/folderview?id=1-C0FAAmUa8d87jJIeXQgIlzIC2Ah2ogh