- past perfect progressive of mine.
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.
The nuclear material came from an unidentified leader of an “ethic insurgent group” in Myanmar who had been mining uranium in the country, according to prosecutors.
From Seattle Times • Feb. 21, 2024
When the corporate incursion to the valley began in earnest, in 2003 or so, local farmers had been mining the aquifer gently for the last 60 years.
From New York Times • Jul. 19, 2018
Hours earlier, the Guardian reported that the NSA had been mining phone records from millions of customers of a subsidiary of Verizon Communications.
From Reuters • Jun. 8, 2013
“I scoffed at it initially,” Mr. Davis recalls, noting that SAS’s big corporate customers, like banks and insurance companies, had been mining huge amounts of data for decades.
From New York Times • Aug. 11, 2012
It was where there had been mining going on some period in the past.
From Dave Dashaway and His Hydroplane by Rockwood, Roy