For the past six months I've been teaching a close friend of mine once a week, on a one-to-one basis. He's what most people would refer to as an elementary learner, but in many important ways he's anything but your typical A2. And that's partly because he's highly intuitive. The more I teach him, the more I wonder whether all the syllabus-based grammar work that we do in class is of any use at all. Last week, for example, with a little help from me, he was able to say...