Participial prepositions
A participial preposition is a participle (an -ed or –ing verb) that functions as a preposition. Some of the most common examples are assuming, barring, considering, during, given, notwithstanding, provided, regarding, and respected. Unlike other participles, participial prepositions don’t necessarily create dangling modifiers when they don’t correspond to a subject. So, to take a counterexample, consider the following sentence: Sitting on the porch, it started to get cold. Here the phrase sitting on the porch is a dangling modifier because its grammatical position indicates that it corresponds …
