Atlas of Pidgin and Creole Language Structures Online
doonu keem? [linguist: doonu?] [speaker, deliberately:] keen teen doonu aka kaazapa?
Who is the owner? [linguist: Owner?]. [speaker, deliberately:] Who is the owner of that house?
The presence of the copula in the second clause is unusual with an NP complement. It may reflect an older construction. For the purposes of this description it is treated as marginal.
Smith's 1974-5 field notes
Sri Lanka Portuguese
Ian R. Smith
Predicative noun phrases: No copula
Predicative noun phrases and predicative locative phrases: Differentiation