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had been forming

  • past perfect progressive
    of form.
    form
    noun
    external appearance of a clearly defined area, as distinguished from color or material; configuration.

Example Sentences

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"For one reason or another, we don't see evidence of grounded ridges where they had been forming, and that's the outcome you would expect if the ice is getting thinner."

From Science Daily ● Mar. 27, 2026

The idea for this book had been forming since maybe 2015, and it was during this time period I finally realized what I wanted it to be.

From Salon ● Sep. 30, 2024

The comic character had been forming before that, though.

From BBC ● Mar. 29, 2023

Workers in an industry that had long been famously union-agnostic at best had been forming bonds, organizing and developing solidarity.

From Los Angeles Times ● Jan. 30, 2023

It built a stone of guilt in her chest, and Jam added it to the pile that had been forming there since she told Pet to stay.

From "Pet" by Akwaeke Emezi