have observed
- present perfect 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.
Professor Mohammed el Khasmi, animal hydrobiology expert at the University of Casablanca in Morocco, has a long list of effects of heat stress he and his team have observed on camels.
From BBC ● Jul. 22, 2026
“Nothing we have observed since then has called this assessment into question,” Lagarde said.
From The Wall Street Journal ● Jul. 9, 2026
Scientists have observed major changes in Arctic wildlife populations in recent years, but the underlying causes were not fully understood.
From Science Daily ● May 28, 2026
The United States and Iran have observed a ceasefire since April 8 while mediators push for a negotiated settlement, although Tehran has imposed controls on Gulf shipping and Washington has blockaded Iran's ports.
From Barron's ● May 25, 2026
Father sighs and runs his fingers through his hair, the only nervous habit I have observed in him.
From "The Adoration of Jenna Fox" by Mary E. Pearson
