I used could make biscuits.

source: 
LAGS
Entry: 
614
Example: 
I used could make biscuits.
Modal 1: 
used
Modal 2: 
could
Gender: 
Male
Race/Ethnicity: 
White
Age: 
77
Level of Education: 
Military academy
Home Community, Town, or State: 
AL (Russellville)
Location Collected: 
AR (Russellville)
Year: 
1973
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic