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had been vetting
  • past perfect progressive of vet.

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.

For many years, MI5 had been vetting BBC staff.

From BBC • Jan. 25, 2016

Some of them later came to think, though, that Novak had been vetting them, looking for someone to help with his plan.

From New York Times • Apr. 10, 2014