know
verb (used with object)
to perceive or understand as fact or truth; to apprehend clearly and with certainty.
have known
-
present perfectof know.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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.
This shocked us at first, as Pirro would have known better than anyone ahead of time that Trump would take this poorly.
From Slate ● Aug. 8, 2026
The LAPD’s Nike case has been parsed in the online sneakerhead community, with questions raised about how much local dealers knew — or should have known — about the origins of their merchandise.
From Los Angeles Times ● Aug. 5, 2026
Scientists have known about that advantage for years, but the biological reason behind it has remained unclear.
From Science Daily ● Jul. 24, 2026
Phil Thompson described his former England and Liverpool team-mate as the "best of all the people I have known in football and in sport".
From BBC ● Jul. 21, 2026
And even if he had, he wouldn’t have known what it meant for an old zombie to speak for the first time in five years.
From "Not Nothing" by Gayle Forman
