Used to could.
source:
LAGS
Entry:
670
Example:
Used to could.
Modal 1:
used to
Modal 2:
could
Gender:
Female
Race/Ethnicity:
White
Age:
77
Level of Education:
3 months per year until age 17
Home Community, Town, or State:
AR (Pee Dee)
Location Collected:
AR (Pee Dee)
Year:
1974
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
unknown
Status:
Naturalistic