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had been poisoning
  • past perfect progressive of poison.

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 scare dented the popularity of the product, with Indian newspapers and news channels carrying stories of parents and experts worrying about whether the noodles had been poisoning their children.

From The Wall Street Journal • Nov. 9, 2015

Later, he was further motivated when he met a nutritional consultant, Donna Gates, author of “The Body Ecology Diet,” who told him that he had been poisoning people with his fried food.

From New York Times • Nov. 5, 2014

Who knew better how poisonous the soil was in Weep than she who had been poisoning it for ten long years?

From "Strange the Dreamer" by Laini Taylor

But when the sculptor arrived, he found that enemies had been poisoning the Pope's mind against him, and that Julius had abandoned the scheme of the mausoleum.

From Renaissance in Italy Volume 3 The Fine Arts by Symonds, John Addington