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had been mistaking
  • past perfect progressive of mistake.

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.

She had been mistaking him for a nice, ornamental, useless boy.

From The Lion's Share by Bennett, Arnold

What we had been mistaking for fleeting glimpses of sky away aloft there, were really patches of the Blumis's snowy crest caught through shredded rents in the drifting pall of vapor.

From A Tramp Abroad — Volume 05 by Twain, Mark