Nobody really knowing the difference between a participle and a gerund. Anyone claiming to understand the distinction probably bluffing. So calling it what you wish: Either label doing.

Home / Musings / Past participle and future tense. Past participle and future tense. Ratna Raman. Updated At : 05:59 AM Feb 14, 2015 IST. Follow us Connect with us. Advertisement.

The future perfect is often used with a by or in time phrase. ... subject + 'll/will + 've/have + past participle of main verb . We’ll have sold the house by Christmas, I’m sure.