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have been amassing

  • present perfect progressive
    of amass.
    amass
    verb (used with object)
    to gather for oneself; collect as one's own.

Example Sentences

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More than a decade ago, Congress’s investigative arm warned that some insiders might have been amassing more in IRAs than the contribution limits allowed by using artificially low share prices to value startup holdings.

From The Wall Street Journal ● Jul. 22, 2026

Players, though, have been amassing what Scherzer, a top union representative, once called a “pretty good war chest” to help weather a work stoppage.

From New York Times ● Mar. 2, 2022

For months, men, women and children have been amassing at Belarus's western borders.

From BBC ● Nov. 18, 2021

Massoud, in his op-ed, said that his fighters have been amassing arms and ammunition in recent years in anticipation of a Taliban return and that soldiers have also been arriving with their own weapons.

From Washington Post ● Aug. 23, 2021

We have been amassing wealth too often selfishly, and madly.

From Complete Story of the San Francisco Horror by Richard Linthicum