have studied
- present 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.
Meanwhile, critics—many of whom are researchers who have studied relationships for decades—say that it encourages self-centeredness and self-delusion and ruins families.
From The Wall Street Journal ● Jul. 21, 2026
A UC spokesperson said the university is “deeply concerned” about the new rule, which “significantly changes the way international students have studied in the U.S. for decades.”
From Los Angeles Times ● Jul. 17, 2026
Most economists who have studied the impact of devolution have not identified any significant increase in overall economic growth rates in Scotland, Wales and Northern Ireland over the past quarter of a century.
From BBC ● Jun. 29, 2026
The Federal Reserve Board and several regional Fed banks for years have studied what a U.S.
From Barron's ● Jun. 22, 2026
Scientists who have studied faces, for example, report that there are huge differences among people in the location of facial muscles, in their form, and also — surprisingly — even in their prevalence.
From "The Tipping Point" by Malcolm Gladwell
