I mighta could, but I’m doing pretty well.

source: 
Feagin
Entry: 
742
Example: 
I mighta could, but I’m doing pretty well.
Modal 1: 
might have
Modal 2: 
could
Gender: 
Female
Race/Ethnicity: 
White
Age: 
78
Level of Education: 
Unknown
Home Community, Town, or State: 
Unknown
Location Collected: 
AL (Unknown)
Year: 
early 1970s
Relation to Addressee: 
acquaintance
Medium: 
Spoken
Sentence Structure: 
1.1
Status: 
Naturalistic