imperfect participle
Definition - (Aka active participle | progressive participle)

The -ing form of a verb when it is used as either an adjective or a verb.

1. When the -ing form of the verb is used as a noun, it is called a gerund.

Example -

(1) I'm working hard. (as a verb)
(2) I'm a working man. (as an adjective)

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