Grammar rules aren’t nearly as clear-cut as we thought | Science | AAAS
Source: www.sciencemag.org/news/2016/01/grammar-rules-aren-t-nearly-clear-cut-we-thought
Grammar is not something that has been given to us by some authority and then learned and used by the populace. It is in fact invented by people. Humans love to communicate and they will instinctively come up with ways of making themselves understood. Grammar books are written by educators who wish to explain how the language that we have at the moment works.