how to understand english.help and how talk

Well to learn any language only books want help you need to open multiple learning ways to learn any language efficiently and fast.

Get good command over English my listening and speaking if you have friend circle which can able to communicate in English then try to speak English among those friends also listening is one of the best way to learn a language so try to listen as many as and speeches and classes as possible.

Another great way is  to reading English newspaper because it will it help in increasing your general knowledge as well as you will learn a lot of new English words everyday and it will improve your vocabulary and I also my reading lots of paragraphs you will be able to get a good knowledge of grammar involved.