- past perfect progressive of tune.
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.
Many had been tuning it out, with polls showing that nearly half of the public was paying little attention to events in Ukraine.
From New York Times • Sep. 22, 2022
All week the flyers had been tuning up their seaplanes, practising pylon turns against a factory chimney near the Anacostia River.
From Time Magazine Archive
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To the scientific orchestra that had been tuning up in sections for centuries, Newton's law of gravity brought the exhilarating unity of a conductor's baton.
From Time Magazine Archive
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The string trio, which had been tuning up, eased into a quiet song as he spoke.
From Fee of the Frontier by Fyfe, Horace Brown
Mr. Gilman’s violin lay across his knees—perhaps he had been tuning it—and the women inclined towards him, one on either side.
From The Lion's Share by Bennett, Arnold