if you know verb forms it is very easy to learn English.

Best App to learn and command verb.

English to Bangla verb collection that lets you to browse words based on different category Word search like dictionary,
prepositions, idioms and phrases

This small Dictionary like word book will help you to increase your knowledge very smartly.

There are also lots of appropriate prepositions added with meaning.

Words are divided into categories so that you can learn them very easily.