If basilectal creole is said to have only a postposed definite article, the recent work of Colot (2004) shows that Guadeloupean and Martinican Creoles have been developing a preposed article for a few years, depending on the category of the noun (countable or uncountable) and the value of the utterance (generic or specific).
An k'ay la bank [1SG PROG.go the bank] = generic: the article is preposed
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An k'ay an bank-la [1SG PROG.go in bank-DEF] = specific: the article is postposed.