I used to could do that.
source:
LAGS
Entry:
690
Example:
I used to could do that.
Modal 1:
used to
Modal 2:
could
Gender:
Female
Race/Ethnicity:
Black
Age:
55
Level of Education:
High school equivalent
Home Community, Town, or State:
AR (St. Francis County)
Location Collected:
AR (Forrest City)
Year:
1974
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
1.0
Status:
Naturalistic