I thought I might could eat it, but when I tasted it knew I couldn't.

source: 
Mishoe
Entry: 
52
Example: 
I thought I might could eat it, but when I tasted it, knew I couldn't.
Modal 1: 
might
Modal 2: 
could
Gender: 
Male
Race/Ethnicity: 
White
Age: 
40s
Level of Education: 
Unknown
Home Community, Town, or State: 
Unknown
Location Collected: 
SC/ NC (Unknown)
Year: 
c1990
Relation to Addressee: 
husband to wife
Medium: 
Spoken
Sentence Structure: 
1.8
Status: 
Naturalistic