That's not a participle, it's a preposition.And it's not bad style in English.
The whole idea of ending sentences with a preposition being bad comes from some old dead scholars who thought English should be more like Latin, where it is bad style. It's not a particularly historical restriction.
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Fri 15 Jun 2012, 9:26,
archived)
The whole idea of ending sentences with a preposition being bad comes from some old dead scholars who thought English should be more like Latin, where it is bad style. It's not a particularly historical restriction.