Weegy: Present participle is a verb form ending in -ing used as an adjective. A verb form ending in -ing used as a noun is a gerund. User: complement Weegy: COMPLEMENT:
1. a : something that fills up, completes, or makes perfect.
2. a : the angle or arc that when added to a given angle or arc equals a right angle in measure.
3. [ the musical interval required with a given interval to complete the octave.
4. an added word or expression ... (More)