You might can help.

source: 
LAGS
Entry: 
311
Example: 
You might can help.
Modal 1: 
might
Modal 2: 
can
Gender: 
Male
Race/Ethnicity: 
Black
Age: 
15
Level of Education: 
9th grade (Student at time of interview)
Home Community, Town, or State: 
TX (Houston)
Location Collected: 
TX (Houston)
Year: 
1975
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic