"I once sent a dozen of my friends a telegram saying "flee at once - all is discovered." They all left town immediately."
You cannot learn any new language without practice. Similarly learning English language also requires more practice. It will be very boring in learning those same study materials which you have. In order to learn English very quickly, you need to find some interactive resources from the internet.
The history of human communication dates back to the earliest era of humanity. Symbols were developed about 30,000 years ago, and writing about 7,000.