Written forms of British and American English as found in newspapers and textbooks vary little in their essential features， with only occasional noticeable differences in comparable media (comparing American newspapers with British newspapers， for example) This kind of formal English， particularly written English， is often called "standard English"British and American English are the reference norms for English as spoken， written， and taught in the rest of the For instance the English-speaking members of the Commonwealth often closely follow British English forms while many new American English forms quickly become familiar outside of the United S Although most dialects of English used in the former British Empire outside of North America are， to various extents， based on British English， most of the countries concerned have developed their own unique dialects， particularly with respect to pronunciation， idioms and Chief among other English dialects are Canadian English， based on the English of United Empire Loyalists who left the 13 Colonies，and Australian English， which rank third and fourth in number of native
