183 Northern Subject Rule

A - feature is pervasive or obligatory0
B - feature is neither pervasive nor extremely rare4
C - feature exists, but is extremely rare3
D - attested absence of feature54
X - feature is not applicable (given the structural make-up of the variety/P/C)11
? - no information on feature is available5

Feature area:
Typical example:
I sing [vs. *I sings]; birds sings; I sing and dances
Example source:
Kortmann/Szmrecsanyi (2004)
Variety World Region Type Value
Id Primary text Variety Variety Type