Might have used to said it.

source: 
LAGS
Entry: 
549
Example: 
Might have used to said it.
Modal 1: 
might have
Modal 2: 
used to
Gender: 
Female
Race/Ethnicity: 
White
Age: 
66
Level of Education: 
12th grade
Home Community, Town, or State: 
MS (Harrison County)
Location Collected: 
MS (Saucier)
Year: 
1972
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic