- past perfect progressive of operate.
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.
But similar to many rural and community hospitals, it had been operating in the red for years.
From Los Angeles Times • Feb. 15, 2026
Earlier, a baby girl was declared dead at another hospital after she was evacuated along with dozens of other children from the daycare centre, which media reports said had been operating without a license.
From Barron's • Jan. 19, 2026
The secret traitor, who wore a red cloak, had been operating in plain sight since being selected by presenter Claudia Winkleman in the opening episode of the BBC One series.
From BBC • Jan. 7, 2026
The Ford strike group had been operating in the Adriatic Sea when it was ordered on Oct.
From The Wall Street Journal • Nov. 11, 2025
There at the corner, in the front rank of pedestrians, was a surgeon who had been operating all day.
From "Slaughterhouse-Five" by Kurt Vonnegut
![]()