had been acknowledging
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past perfect progressiveof acknowledge.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
acknowledgeverb (used with object)to admit to be real or true; recognize the existence, truth, or fact of.
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.
I must say that since he had learned from somebody that I was a writer of stories he had been acknowledging my existence by means of some vague growls in the morning.
From Within the Tides by Joseph Conrad
While Harry had been acknowledging these bantering introductions, he had also been looking at the icy roadway.
From Harry Watson's High School Days The Rivals of Rivertown by Frank V. Webster