Paragraph 1. A lot of people think that learning a language involves simply acquiring knowledge like learning history or geography. But learning a language is a lot more like learning tennis – it involves learning a skill, whereas learning history or geography simply involves learning a set of facts or a body of knowledge. Facts and knowledge are static, but skills like tennis or English are living and changing and need constant practice. They are spontaneous activities between two or more people. And just as in a tennis game you never know where the ball will land next, in English you can never predict what another person will say.