Answer:
Participle: injured
Modifier: by the ball
Object of the participle: NONE
Explanation:
A participle i is a verbal that is used as an adjective and most often ends in -ing or -ed, in a participial phrase we can often see the presence of a participle, a modifier or modifiers and in some cases an object of the participle, Injured is the participle that works as an adjective to the noun, the modifier By the ball is connected to the same noun as the participle.
