Formal To Slang - 3 Levels of Fluency

Your French is too academic and lacks naturalness? When you listen to native French speakers you have big problems understanding them? You struggle to understand films and series without subtitles? All native French speakers switch between 3 levels of language on a daily basis, automatically. The more you master the language, the more you are able to use these 3 levels of language adaptively, that is, to choose the level of language correctly.
Basic words are very important but saying bicyclette instead of vélo simply doesn't sound natural. If  your  language  is  too  formal,  you  will  appear pretentious and you will not always be understood. On the contrary, if your language is too informal, you will give the impression of lacking education or you will disrespect your interlocutor!That's why I decided to gather the most common slang words that can be used in daily spoken French.
Moreover you will be able to compare with the neutral and formal equivalent. I'm sure this will help you to save a lot of awkwardness and be more confident using French!What you will find is this book: 300 sentences comparing different levels of speech 150 slang words 100 audios mp3 100 exercices sentences