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has been fermenting

  • present perfect progressive of ferment (3rd person singular).

Example Sentences

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Tonight, Snyder is thrilled that an eighth-grader named Rainy Matyas, accompanied by her mother, has brought in a kombucha sample that has been fermenting for weeks.

From Seattle Times Jul. 5, 2023

His winery has been fermenting small samples to gauge whether smoke affects the resulting wine.

From Washington Times Sep. 24, 2020

Some people prefer their kraut crunchy and light, while others enjoy a softer, more sour kraut that has been fermenting longer.

From Washington Post Jan. 7, 2020

Natural wine has been fermenting in France since the 1970s, but recently such epiphanies have turned it into a phenomenon.

From The Guardian Nov. 14, 2017

But for many years this lauded loyalty has existed only in appearance, while discontent has been fermenting deeply beneath the surface.

From History of Cuba; or, Notes of a Traveller in the Tropics Being a Political, Historical, and Statistical Account of the Island, from its First Discovery to the Present Time by Ballou, Maturin Murray