cooperate
verb (used without object)
to work or act together or jointly for a common purpose or benefit.
were cooperating
-
past progressiveof cooperate.past progressive
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
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.
GKN officials at the time said they were cooperating with the investigation.
From Los Angeles Times ● Jul. 18, 2026
The authors of the paper said they were cooperating with the investigation and declined to comment further.
From The Wall Street Journal ● Jul. 2, 2026
He said the two West African countries were cooperating in a "thorough" investigation of the incident, pledging that all responsible parties would be held accountable.
From BBC ● Jan. 17, 2025
New Mexico State Police said the fathers of the girls were cooperating with investigators and were not believed to be suspects in the double homicide case.
From Seattle Times ● May 6, 2024
And he was shaken in a different way by the proof that humans were cooperating fully with the invading monsters.
From Operation Terror by Murray Leinster
