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(398) a. Li individuano facilmente, insetti di grandi dimensioni.
them they identify easily insects of large size
b. *Li individuano facilmente, INSETTI DI GRANDI DIMENSIONI.
them they.identify easily INSECTS OF LARGE SIZE
(Longobardi 2002:695)
In order to explain these facts, Longobardi argues that two structures rather than one
correspond to what have traditionally been labeled "right dislocated" sentences: one
which always has an intonational break before the subject and either a "given" or "new"
reading of the predicate; and one which has flat intonation and what he terms an
"unarticulated" information structure. The former he assigns a clause external structure
(399a); the latter, a clause internal one (399b):
(399) a. [CP [IP pro aux V tsubject] [subject] C [tIP]]
b. [IP pro [aux V [DP subject]]]
Notice that the intonation and information status of the Italian clause external
construction match the intonation and information status of the Marshallese right
dislocation construction. This being the case, I conclude that Marshallese right
dislocation sentences have a clause external structure.
In his analysis, Longobardi suggests that the intonation break necessary in (399a)
is associated with the right edge of the predicate. His suggestion is partially based on the
fact that Italian postverbal subjects are characterized by two distinct sets of syntactic
behavior: one associated with the clause external construction, and the other, with the
clause internal construction. The clause external construction requires the intonation
break (399a), while the clause internal construction does not (399b). Thus because the
subject in (399a) is not part of the predicate, there is an intonation break preceding it,
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