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were breeding
  • past progressive of breed.

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.

Rumors endured into the 1900s that they had escaped and were breeding in the sandy reaches of the Imperial Valley.

From Los Angeles Times • Apr. 12, 2024

According to the People's Trust for Endangered Species, they began escaping those farms and were breeding in the wild by the mid-1950s.

From BBC • Aug. 16, 2023

The birds were breeding in Illinois by 1968 and on Long Island by 1971.

From Scientific American • Jun. 20, 2023

“The children’s discovery helped us realize that the majority of mosquitoes were breeding in plastic trash and other containers littering streets and people’s yards.”

From Washington Post • Apr. 2, 2022

He’d definitely come back a little later in the year and see if they were breeding.

From "The Book of Dust: La Belle Sauvage" by Philip Pullman