Datapoint Martinican Creole/Predicative noun phrases

In a variety that would probably be considered as acrolectal creole, it is quite usual to find a copula:
Jak sé an doktè.
[Jack COP INDF doctor]
'Jak is a doctor.'

There also exists a different structure with a focus on the noun, as in:
Sé doktè i yé.
[COP doctor 3SG be]
'He (really) is a doctor (...not a singer).'

Values

No copula

Example 51-123:
Jak doktè.
Jak
Jack
doktè.
doctor
Jack is a doctor.
Example 51-124:
Mari pa doktè, Mari enfirmiez.
Mari
Mary
pa
neg
doktè,
doctor
Mari
Mary
enfirmiez.
nurse
Mary is not a doctor, she is a nurse.
Confidence:
Very certain