active participle
CHSP1
1) an adjective form of a verb using the suffix –ing and modifying the erstwhile subject of the verb, ¶5-3-4
2) the relation of MultiNet standing betwen a and a changing the sort of the former so as to function as the latter grammatically; with transitive verbs the a. p. contrasts with the passive participle; with intransitive verbs the a. p. has present tense and contrasts with the past participle