Might have used to.
source:
LAGS
Entry:
548
Example:
Might have used to.
Modal 1:
might have
Modal 2:
used to
Gender:
Male
Race/Ethnicity:
White
Age:
50
Level of Education:
College (2 years)
Home Community, Town, or State:
GA (Atlanta)
Location Collected:
GA (Atlanta)
Year:
1976
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
1.0
Status:
Naturalistic