This study examines the syntax of sluicing in Omani Arabic to uncover its morpho-syntactic properties and underlying source. It also attempts to account for the apparent preposition stranding (p-stranding) effects displayed by Omani Arabic sluicing, which indicates that the language is a counterexample to the p-stranding generalisation (Merchant, 2001). The paper concludes that sluicing exists in the language and it is derived from regular wh-questions by wh-movement and TP ellipsis at PF.

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... ermore, Omani Arabic displays pseudo-sluicing (i.e., an elliptical cleft wh-question), which can also be derived via wh-movement from spec-TP to spec-CP plus TP deletion at PF. Finally, the study argues that the apparent cases of sluicing under p-stranding are actually pseudo-sluicing. The drop of copular pronouns in the sluiced clause and omission of the preposition with the relative clause lead to the illusion that sluicing in Omani Arabic exhibits p-stranding effects.