A feature of English that makes it different compared with all other languages is its global spread.
David CrystalEnglish has been this vacuum cleaner of a language, because of its history meeting up with the Romans and then the Danes, the Vikings and then the French and then the Renaissance with all the Latin and Greek and Hebrew in the background.
David CrystalGrammar is what gives sense to language .... sentences make words yield up their meaning. Sentences actively create sense in language. And the business of the study of sentences is grammar.
David Crystal