You used could buy it.
source:
LAGS
Entry:
613
Example:
You used could buy it.
Modal 1:
used
Modal 2:
could
Gender:
Male
Race/Ethnicity:
Black
Age:
90
Level of Education:
Less than 1 term school
Home Community, Town, or State:
FL (Shady Grove)
Location Collected:
FL (Shady Grove)
Year:
1976
Relation to Addressee:
subject to fieldworker
Medium:
Spoken
Sentence Structure:
1.0
Status:
Naturalistic