Used to could.
source:
LAGS
Entry:
663
Example:
Used to could.
Modal 1:
used to
Modal 2:
could
Gender:
Female
Race/Ethnicity:
White
Age:
70
Level of Education:
College (Graduate, B.S. degree)
Home Community, Town, or State:
AL (Stockton)
Location Collected:
AL (Stockton)
Year:
1977
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
unknown
Status:
Naturalistic