I used to wouldn't mention it.

source: 
LAGS
Entry: 
701
Example: 
I used to wouldn't mention it.
Modal 1: 
used to
Modal 2: 
wouldn't
Gender: 
Female
Race/Ethnicity: 
White
Age: 
31
Level of Education: 
High school and beautician training
Home Community, Town, or State: 
FL (Port Orange)
Location Collected: 
FL (Port Orange)
Year: 
1974
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic