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have been brewing

  • present perfect progressive
    of brew.
    brew
    verb (used with object)
    to make (beer, ale, etc.) by steeping, boiling, and fermenting malt and hops.

Example Sentences

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Concerns have been brewing about the ability of design-software companies to make money off artificial intelligence in the same way that other software companies can.

From MarketWatch ● Apr. 27, 2026

Competitors CVS and Walgreens are also cutting costs and closing stores, reflecting challenges in the industry that have been brewing for years but have recently begun to accelerate, experts say.

From Los Angeles Times ● Aug. 31, 2024

Although the sanctions have been brewing for some time and the charges were filed earlier under seal, the region has been in turmoil for months.

From New York Times ● Feb. 2, 2024

Major global shifts have been brewing for several years.

From Washington Post ● Apr. 3, 2023

Of course I know you and my father have been brewing mischief.

From Herb of Grace by Rosa Nouchette Carey