had been varying
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past perfect progressiveof vary.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
varyverb (used with object)to change or alter, as in form, appearance, character, or substance.
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.
Todd Dalsing, Dubuque Regional Airport’s director, said American Airlines had been varying the timing of its scheduled flights to Chicago, its single destination from Dubuque, over the past two years.
From New York Times ● Nov. 23, 2022
"I have thought of all that, aunt Caxton," Eleanor said, while the colour which had been varying in her cheeks fixed itself in two deep crimson spots.
From The Old Helmet, Volume II by Susan Warner