The ability to learn a language in summer is something we always have in mind. More free time, more sun and less stress increase the possibilities for dedicating our holidays to do something useful, and improve our knowledge of English is usually one of our priorities.
To learn a language it is essential to have a good approach and good teachers. There are grammar-based methodologies, other ones focus to learn words. Other specialists recommend to link concepts and colors, all of them can be useful.