She used to wouldn't.

source: 
LAGS
Entry: 
696
Example: 
She used to wouldn't
Modal 1: 
used to
Modal 2: 
wouldn't
Gender: 
Female
Race/Ethnicity: 
White
Age: 
71
Level of Education: 
5th grade
Home Community, Town, or State: 
TN (Springfield)
Location Collected: 
TN (Springfield)
Year: 
1973
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic