155 Ain’t as the negated form of be

A - feature is pervasive or obligatory8
B - feature is neither pervasive nor extremely rare15
C - feature exists, but is extremely rare11
D - attested absence of feature35
X - feature is not applicable (given the structural make-up of the variety/P/C)4
? - no information on feature is available4

Feature area:
Typical example:
Theyʼre all in there, ainʼt they?
Example source:
Kortmann/Szmrecsanyi (2004)
Variety World Region Type Value
Id Primary text Variety Variety Type