You could check on down the mall. You might could find it.

source: 
Feagin
Entry: 
743
Example: 
You could check on down the mall. You might could find it.
Modal 1: 
might
Modal 2: 
could
Gender: 
Female
Race/Ethnicity: 
White
Age: 
40s
Level of Education: 
Unknown
Home Community, Town, or State: 
Unknown
Location Collected: 
AL (Unknown)
Year: 
early 1970s
Relation to Addressee: 
stranger
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic