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
-
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
Burbank police had been tracking the getaway car with a GPS device and pulled the trio over shortly after.
From Los Angeles Times ● Feb. 27, 2026
Moss led from pole position but retired with a broken gearbox early on, handing the initiative to Brabham, who had been tracking his rival a short distance behind.
From BBC ● Dec. 1, 2025
I had been looking at his image for months now, had been investigating his tactics which had cost investors millions, and had been tracking his every move.
From BBC ● Mar. 28, 2025
They had been tracking down the source of the American counterfeit money that showed up in Morocco, and by coincidence arrived at the Chelsea just seconds after the FBI.
From "Hole in My Life" by Jack Gantos
