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had been monitoring

  • past perfect progressive of monitor.

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.

See Examples For:

On Nov. 4, FBI agents who had been monitoring the men arrested him as he was awaiting a flight to Istanbul at Newark Liberty International Airport.

From The Wall Street Journal Nov. 12, 2025

A coastguard ship had been monitoring the Adriana for 15 hours before it sank.

From BBC May 26, 2025

His volunteer company had been monitoring the fire along the ridge outside the village, and by the time the firefighters got back to town, they were barely ahead of the flames.

From Los Angeles Times Sep. 14, 2024

Rutt enthusiasts had been monitoring his fan page for weeks hoping for news that the colossal creature would avoid a similar fate and safely cross Interstate 94.

From Seattle Times Nov. 21, 2023

Radio calls my teammate Stuart Hutchison had been monitoring from Rob Hall on the South Summit made clear that our leader was in desperate straits and that Doug Hansen was dead.

From "Into Thin Air" by Jon Krakauer