had studied
- past perfect of study.
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 Boston University CTE Center said, external in 2023 that it had diagnosed CTE in 345 of the 376 former NFL players it had studied.
From BBC ● Jul. 8, 2026
The discovery revealed an entirely different side to a protein scientists had studied since the 1960s.
From Science Daily ● May 8, 2026
The Army and Air Force had studied conflicts such as the Yom Kippur War, in which the Israelis smashed numerically superior Soviet-backed Arab armored forces.
From The Wall Street Journal ● Apr. 28, 2026
“Previously, I had studied naturopathy with the intention of going to a naturopathic school — herbalism, Reiki and light touch therapy.”
From Los Angeles Times ● Apr. 22, 2026
But Jim, who had studied mechanical engineering with an aerospace emphasis, wasn’t a computer geek.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
