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had been tracking
  • past perfect progressive of track.

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.

Partis, who had been tracking the bird for almost 12 hours, said it was his first time seeing a western reef heron.

From BBC • Jun. 9, 2026

The U.S. had been tracking the shipment, according to the officials and another person familiar with the operation.

From The Wall Street Journal • Dec. 12, 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

American intelligence had been tracking the group closely and believed the threat credible.

From New York Times • Mar. 28, 2024

All this time, the giant had been tracking Reyna, which meant that even if she died right now Nico and Coach Hedge might stay safe.

From "Blood of Olympus" by Rick Riordan