track
noun
a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
had been tracking
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past perfect progressiveof track.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
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 Nokia executive had been tracking the data flows of the internet’s infrastructure for years, and he knew the network’s data centers, chokepoints and design better than most.
From The Wall Street Journal ● Apr. 3, 2026
Championship side Bristol City - owned by Guernsey resident Steve Lansdown - had been tracking Scott's early progress after an impressive start in adult football and gave him a trial in December 2019.
From BBC ● Nov. 7, 2025
As the wealth management firm UBS reported, last year for the first time in the nine years that it had been tracking extreme wealth, billionaires “accumulated more wealth through inheritance than entrepreneurship.”
From Los Angeles Times ● Aug. 22, 2024
Adrienne Watson, a spokeswoman for the White House National Security Council, said that US security officials had been "tracking Iranian threats against former Trump administration officials for years".
From BBC ● Jul. 16, 2024
For five days Buford had been tracking Lee’s army, shadowing it from a long way off as you track a big cat.
From "The Killer Angels: The Classic Novel of the Civil War" by Michael Shaara
