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have been warning
  • present 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.

However, the Japanese race highlighted a problem about which drivers have been warning in racing, too.

From BBC • Mar. 29, 2026

Airports in some U.S. cities have been warning travelers to prepare to spend hours waiting for security checkpoints.

From The Wall Street Journal • Mar. 14, 2026

Privacy geeks have been warning of this moment for decades, not just in the realms of science fiction, but even on the pages of Salon, back when a digital magazine was a novel idea.

From Salon • Feb. 20, 2026

Researchers have been warning in recent years of bird flu's spread on the icy continent, which hosts temporary teams of scientists but no permanent residents.

From Barron's • Feb. 17, 2026

Ever since I arrived in Minnesota people have been warning me about the extreme cold that’s on the way.

From "Orphan Train" by Christina Baker Kline