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had been warning

  • past perfect progressive
    of warn.
    warn
    verb (used with object)
    to give notice, advice, or intimation to (a person, group, etc.) of danger, impending evil, possible harm, or anything else unfavorable.

Example Sentences

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See Examples For:

Earlier this year, a federal appeals court ordered an end to the plan and the Education Department had been warning borrowers they needed to switch.

From The Wall Street Journal ● Jul. 14, 2026

Although the FDA recognized depression as a possible side effect in 2011 and added suicidal thoughts to the label in 2022, researchers had been warning of potential dangers as early as 2002.

From Science Daily ● Oct. 13, 2025

Edward had been warning people for years that the building was unsafe, but was ignored.

From BBC ● Mar. 17, 2025

However, a massive storm forecasters had been warning about for days blew through the country’s seven sheikhdoms.

From Seattle Times ● Apr. 17, 2024

This map was one of those dangerous magical objects Mr. Weasley had been warning against....

From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling