Correção de texto: Learning by ourselves

These days there are many people who learn english by themselves,with internet there are many lessons and ways to pratice and learn, we can learn how to understand esealy many slang words and expretions, and also, probably the listening wouldn't be a problem, however, the grammar might be a problem because we don't have a teacher who accompany our studies, of course we can Always ask help to a friend who knows english fluently but it stiil isn't the same thing as doing an english course, in other hand there are many people who learned by themselves and speaks much better than who had an english course, it cames through a pupil, I mean, not the way how we learn, but how we strain to get the fluence!