The purpose of a language is to communicate with our fellows. All languages must change to fit the times. New words become necessary. Old words take on new meanings. The way in which words are put together evolves. The rules we learnt as children do not last forever.
It has been my endeavour in this work to represent English Grammar not as a set of stiff dogmatic precepts, according to which some things are correct and others absolutely wrong, but as something living and developing under continual fluctuations and undulations, something that is founded on the past and prepares the way for the future, something that is not always consistent or perfect, but progressing and perfectible – in one word, human.