That might would be a good idea.

source: 
Reed
Entry: 
1400
Example: 
That might would be a good idea.
Modal 1: 
might
Modal 2: 
would
Gender: 
Female
Race/Ethnicity: 
White
Age: 
30
Level of Education: 
Graduate school (Doctoral degree)
Home Community, Town, or State: 
TN (Seymour)
Location Collected: 
SC (Columbia)
Year: 
2012
Relation to Addressee: 
wife to husband
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic