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have been modifying
  • present perfect progressive of modify.

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.

That is, until Shelby takes him for a spin in the car that he and Miles have been modifying.

From Slate • Nov. 15, 2019

Great writers have been modifying absolute adjectives for centuries, including the framers of the American Constitution, who sought "a more perfect union".

From The Guardian • Aug. 15, 2014

Photo: Rick SchneiderDownriggers have been in the arsenal of king mackerel fishermen for many years, but those in the top tier of the sport have been modifying their deep-water tactics recently.

From Time Magazine Archive

They are for the most part silent forces that have been modifying the folk-ways in Europe and America.

From Society Its Origin and Development by Rowe, Henry Kalloch