have been observing
- present perfect progressive of observe.
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.
Records show that humans have been observing the red monster for millenia, and have even noticed its change in brightness over that time.
From Space Scoop ● Aug. 20, 2025
Evaporation is all around us, and humans have been observing it and making use of it for as long as we have existed.
From Science Daily ● Apr. 24, 2024
People have been observing birds singing and calling since there were people.
From Scientific American ● Apr. 19, 2022
"Since we have been observing Neptune during its early southern summer, we expected temperatures to be slowly growing warmer, not colder."
From Salon ● Apr. 18, 2022
I know the prisoner, and have been observing him closely at Balooka for the last three weeks.
From Nevermore by Bolderwood, Rolf
