has been tracing
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present perfect progressiveof trace (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
tracenouna surviving mark, sign, or evidence of the former existence, influence, or action of some agent or event; vestige.
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 more than 10 years the 100,000 Genomes Project has been tracing and comparing the genomes of tens of thousands of patients with rare diseases and their relatives.
From BBC ● Aug. 26, 2024
“The Police Department has been tracing her car,” Foss said.
From Los Angeles Times ● Aug. 17, 2023
Another recipient, Columbia University literary scholar and historian Saidiya Hartman, has been tracing the effects of slavery on modern America.
From Washington Times ● Sep. 25, 2019
At first she worked along the porous border with Guinea but since August she has been tracing contacts in the nation’s capital.
From Scientific American ● Nov. 21, 2014
Acting upon this information, one of my most intelligent subordinates has been tracing him.
From The Amulet by Hendrik Conscience