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have been smouldering

  • present perfect progressive
    of smoulder.
    smoulder
    verb (used without object)

Example Sentences

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See Examples For:

Under Arnolds Field on Launders Lane, tonnes of years-old and illegally dumped toxic waste have been smouldering beneath the surface for years.

From BBC Mar. 14, 2025

Recent fires - thought to be caused by fermented grain - have been smouldering for weeks, and officials had warned the silos could be close to collapse.

From BBC Jul. 31, 2022

But the fire he stirred to flame must have been smouldering.

From Home Life in Germany by Mrs. Alfred Sidgwick

A lot of woollen goods are on fire in the main hold, and must, from the extent of the area already consumed, have been smouldering for days.

From The Wreck of the Nancy Bell Cast Away on Kerguelen Land by W. S. (Walter S.) Stacey

The fire, which all this time must have been smouldering unseen, had burst into a great blaze, trees and bushes were wrapped in sulphurous flames, which, fanned by the breeze, were spreading rapidly.

From Mr. Fortescue An Andean Romance by William Westall