Spoken language: Dialect and slang
[Amended from Dan Clayton's Teaching English Grammar in Schools blog]
The history of grammar teaching has often been associated with prescriptive models in which the "correction" of perceived faults in language has been paramount. While linguists are careful these days to talk about what is 'grammatical' or 'ungrammatical' and 'standard' or 'non-standard', rather than what is 'right' or 'wrong', there is still a tension at the heart of the teaching of English.
