1. Inflections of 'clue' (v): (⇒ conjugate) Clues v 3rd person singular cluing v pres p verb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing." clued v past verb, past simple: Past tense--for example, "He saw the man." "She laughed." clued v past p verb, past participle: Verb form used descriptively or to form verbs