Meaning of perfect progressive

per'fect progres'sive

Pronunciation: [key]
— Gram. Gram.(in English)
  1. a verb form including the auxiliary have followed by been and a present participle, noting the continuation of an activity or event, its incompleteness or interruption, and its connection to the temporal point of reference, as in I've been waiting for over an hour, They had been talking about her before she came into the room, or In July, he will have been living here for two years. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.