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had been fermenting

  • past perfect progressive of ferment.

Example Sentences

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Our task: to decide what to do with the juice that had been fermenting in oak barrels for several months.

From New York Times May 7, 2015

The yeast of rebellion among young Hungarian intellectuals had been fermenting these past few months in a group called the Petofi Club.

From Time Magazine Archive

Since 1927, ideas on transoceanic flying had been fermenting in his agile mind, taking gradual shape on paper.

From Time Magazine Archive

A small dinner was to precede126 the dance, and all sorts of scheming for Georgiana's pleasure had been fermenting in Jeannette's brain on the way home.

From Under the Country Sky by Rogers, Frances

At this, to employ a metaphor, the champagne of the Head's wrath, which had been fermenting steadily during his late interview, got the better of the cork of self-control, and he exploded.

From The Pothunters by Wodehouse, P. G. (Pelham Grenville)