Might could.
source:
LAGS
Entry:
316
Example:
Might could.
Modal 1:
might
Modal 2:
could
Gender:
Female
Race/Ethnicity:
White
Age:
56
Level of Education:
High school (Some)
Home Community, Town, or State:
GA (Canton)
Location Collected:
GA (Woodstock)
Year:
1977
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
unknown
Status:
Naturalistic