Advanced English Grammar ESL Lesson - Conditionals

Each language has its own distinct grammar. "English grammar" is the set of rules within the English language itself. "An English grammar" is a specific study or analysis of these rules. A reference book describing the grammar of a language is called a "reference grammar" or simply "a grammar". A fully explicit grammar exhaustively describing the grammatical constructions of a language is called a descriptive grammar, as opposed to linguistic prescription, which tries to enforce the governing rules of how a language is to be used.