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had been undergoing
  • past perfect progressive of undergo.

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.

The tower blocks had been undergoing extensive renovations - and while the exact cause for the fire is unclear, police say materials on the outside of the buildings may have facilitated its spread.

From BBC • Nov. 27, 2025

After a media frenzy about the Princess of Wales' whereabouts, the 42-year-old Kate Middleton revealed in March that she also had been undergoing cancer treatment in a video.

From Salon • Dec. 20, 2024

In the newsletter interview, Schumer said she had been undergoing medical tests while also doing a round of interviews to promote the new season of her Hulu show, “Life and Beth.”

From New York Times • Feb. 26, 2024

Authorities said they believe a gas leak caused the explosion — which happened in the middle of the afternoon at the start of the workweek — and said the hotel had been undergoing construction.

From Seattle Times • Jan. 9, 2024

Everard, meanwhile, had been undergoing a terrible ordeal down stairs, and was truly glad when Isabel made her appearance.

From Isabel Leicester A Romance by Maude Alma by Alma, Maude