As a matter of fact, sometimes this prepossessor van cooccurs with the postpossessor van, as in (52b).
Second, the occurrence of a pattern like (53), attested in the Turkish children's [L.sub.2] data, suggests the interpretation of prepossessor van as an element that combines with a phrasal constituent.
Developmental evidence for this interpretation comes from the fact that the prepossessor van in possessor-initial variants (i.e.
The absence of such structures(43) is due to the fact that the Turkish [L.sub.2] learner has conserved the [L.sub.1] parameter setting for the Spec-related strength feature of the functional head D;(44) since this strength feature is set as being <weak>, nominal type indicators like demonstratives are not expected to occur in a prepossessor position.
The most obvious analysis of prepossessor van is the one in which it is treated on a par with prepossessor van occurring on nominal possessors (cf.
(87) M8-2 van de wielen de dingen of the wheels the things `the tires' This construction has the peculiarity of having a prepossessor van on a prenominal possessor.