English is not easy to learn (or teach) without being [involuntarily] exposed to it in one way or the other since childhood. One of the best examples of the co

English is not easy to learn (or teach) without being [involuntarily] exposed to it in one way or the other since childhood. One of the best examples of the convoluted mess of ambiguities and exceptions in English: https://news.ycombinator.com/item?id=23581841 https://news.ycombinator.com/item?id=23581841 It's particularly frustrating when English-speakers arrogantly make fun of other languages (like Chinese/Japanese) as if English doesn't have its share of stupid shit.