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had been flattening
  • past perfect progressive of flatten.

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.

"There was a lot of anecdotal evidence that the US economic recovery had been flattening out and now we have got a confirmation of that."

From BBC • Jun. 4, 2012

He had been flattening himself against its shadow; and at first—so white and fierce was his face—I made sure he meant to hurl me over and on to the street below.

From The Adventures of Harry Revel by Quiller-Couch, Arthur Thomas, Sir