Here’s the answer if I’m correct. When Francis doesn't get the reaction he wants, he resorts to calling Atticus a "n-lover" for defending Tom Robinson. This is too much for Scout, who responds by punching him in the mouth so hard that she cuts her knuckles on his front teeth. Hope this helps
A participle is a verbal ending in -ing(present)or -ed,-en, ,that functions as an adjective, modifying a noun or pronoun