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have been incubating

  • present perfect progressive
    of incubate.
    incubate
    verb (used with object)
    to sit upon (eggs) for the purpose of hatching.

Example Sentences

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See Examples For:

It’s not clear why the doting parents were both absent, “but we are sure they had their reasons as they have been incubating the eggs faithfully,” the nonprofit wrote in its “Eagle Log.”

From Los Angeles Times Feb. 2, 2026

So these cases would have been incubating since the week before - and possibly since the communal gatherings on VE Day, six days earlier.

From BBC May 18, 2020

She’s got fewer chickens and turkeys to sell, because the storm hit when she would normally have been incubating them.

From Seattle Times Dec. 10, 2017

Reformers such as Mr. Sarbanes have been incubating these sorts of proposals for some time.

From Washington Post Sep. 8, 2015

The latest of those studies was published this week in the journal Science, and what the new investigators reported was eye opening: biology may have been incubating on asteroids long before it arose on Earth.

From Time Jun. 30, 2011