I may can [do it]

source: 
LAGS
Entry: 
244
Example: 
I may can {do it}
Modal 1: 
may
Modal 2: 
can
Gender: 
Female
Race/Ethnicity: 
White
Age: 
72
Level of Education: 
5th grade
Home Community, Town, or State: 
GA (Folkston)
Location Collected: 
GA (Folkston)
Year: 
1969
Relation to Addressee: 
female to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic