Used to could.
source:
LAGS
Entry:
658
Example:
Used to could.
Modal 1:
used to
Modal 2:
could
Gender:
Male
Race/Ethnicity:
White
Age:
90
Level of Education:
3rd grade
Home Community, Town, or State:
GA (Whitfield County)
Location Collected:
GA (Dalton)
Year:
1972
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
unknown
Status:
Naturalistic