I've seen ones that might possibly could be flowers but I haven't seen any yet [that are flowers].

source: 
DiPaolo
Entry: 
1327
Example: 
I've seen ones that might possibly could be flowers, but I haven't seen any yet [that are flowers].
Modal 1: 
might
Modal 2: 
could
Gender: 
Male
Race/Ethnicity: 
White
Age: 
unknown
Level of Education: 
Unknown
Home Community, Town, or State: 
Unknown
Location Collected: 
TX (Austin)
Year: 
1984
Relation to Addressee: 
man to woman
Medium: 
Spoken
Sentence Structure: 
1.1
Status: 
Naturalistic