Used to could.
source:
LAGS
Entry:
668
Example:
Used to could.
Modal 1:
used to
Modal 2:
could
Gender:
Male
Race/Ethnicity:
Black
Age:
85
Level of Education:
Illiterate
Home Community, Town, or State:
MS (Woodville)
Location Collected:
MS (Lessley)
Year:
1977
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
unknown
Status:
Naturalistic