Might can do it tomorrow.

source: 
LAGS
Entry: 
274
Example: 
Might can do it tomorrow.
Modal 1: 
might
Modal 2: 
can
Gender: 
Female
Race/Ethnicity: 
Black
Age: 
48
Level of Education: 
8th grade (Some)
Home Community, Town, or State: 
GA (Clayton Co.)
Location Collected: 
GA (Lovejoy)
Year: 
1973
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic