Used to couldn't buy it.

source: 
LAGS
Entry: 
615
Example: 
Used to couldn't buy it.
Modal 1: 
used to
Modal 2: 
couldn't
Gender: 
Male
Race/Ethnicity: 
White
Age: 
89
Level of Education: 
High school
Home Community, Town, or State: 
GA (Springfield)
Location Collected: 
GA (Springfield)
Year: 
1969
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic