He may can tell you.

source: 
LAGS
Entry: 
252
Example: 
He may can tell you.
Modal 1: 
may
Modal 2: 
can
Gender: 
Male
Race/Ethnicity: 
White
Age: 
67
Level of Education: 
High school
Home Community, Town, or State: 
AR (Arkansas City)
Location Collected: 
AR (Arkansas City)
Year: 
1977
Relation to Addressee: 
male to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic