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have been tracing
  • present perfect progressive of trace.

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 upcoming prisoner swap between Iran and the United States follows the same contours that the countries have been tracing since the resolution of the 1979 U.S.

From Seattle Times • Sep. 13, 2023

By taking a closer look, several prominent researchers who have been tracing SARS-CoV-2's origins noticed plenty of evidence contradicting that claim.

From Salon • Mar. 21, 2023

Two professors at Tufts University, Kendra Field and Kerri Greenidge, are among the many scholars who have been tracing the history of Massachusetts’s African-American residents, from slavery to Black Lives Matter.

From New York Times • Feb. 21, 2019

Since the start of the year, investigators have been tracing their way down the family tree to find a suspect.

From Los Angeles Times • Apr. 27, 2018

For many years, geneticists have been tracing the origins of domesticated wheat.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari