....(This passage talks about the pole vault) Bubka often broke the record by a single centimeter. The bar steadily crept upward until the mid-1990s, when Bubka was past his best and was unable to beat his most recent height.
Q) In the last sentence "Bubka was past his best," "past" is used as a preposition, isn't it?
Top answer
Yes.
— Ozzourti
Yes.
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