- past perfect progressive of warn.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
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
The park was mostly empty thanks to social media posts that had been warning Los Angeles about the coming incursion since Sunday.
From Los Angeles Times • Jul. 8, 2025
Several conscripts from the unit and families of those who were killed have said that they had been warning that an attack was coming in the months before 7 October.
From BBC • Jan. 25, 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
The news reports had been warning about Hurricane Katrina for days, but nobody in Barry’s house had been paying much attention.
From "I Survived Hurricane Katrina, 2005" by Lauren Tarshis
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