I might could.
source:
LAGS
Entry:
504
Example:
I might could.
Modal 1:
might
Modal 2:
could
Gender:
Male
Race/Ethnicity:
White
Age:
74
Level of Education:
7th-8th grade
Home Community, Town, or State:
TX (Caldwell)
Location Collected:
TX (Caldwell)
Year:
1977
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
1.0
Status:
Naturalistic