I have a degree in linguistics and was tutored by one of the country's leading experts on accent and dialect, who is now a highly respected Emeritus professor.
Right =)
AQI means Australian Questioning Intonation and therefore only applies to Aussies btw.
....and 95% of American and British teenage girls, generally, middle-class girls with a private education
....and 95% of American and British teenage girls, generally, middle-class girls with a private education