have been investigating
- present perfect progressive of investigate.
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.
Safety regulators have been investigating parts that exploded in otherwise survivable crashes.
From The Wall Street Journal ● Apr. 3, 2026
Marineland has said all the beluga deaths at the park resulted from natural causes, but animal welfare officials from the province of Ontario have been investigating the park for several years.
From Barron's ● Jan. 26, 2026
Since then, researchers have been investigating whether these drugs could help prevent or slow other cancers too.
From Science Daily ● Jan. 20, 2026
Williamson’s attorney did not offer any specifics on what federal officials may have been investigating.
From Los Angeles Times ● Nov. 15, 2025
We have been investigating these outhouses thoroughly, and there is no question that he has had smuggled goods here.
From The Lost Heir by Henty, G. A. (George Alfred)
