What does knew mean?
Knew means simple past of know.
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/ˈnjuː/ · verb
simple past of know.
I'll say I've knew this some time and tried to stop it—it was my business to stop it.
[…]I've knew people that if they got a rag rug on the floor and a kewpie doll lamp on the phonograph they think they're runnin' a parlor house.'
Oh, I figured you would've knew. That's where I met Ham and he got me in the DA's office. That was years ago."
Use knew when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Knew means simple past of know.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
I'll say I've knew this some time and tried to stop it—it was my business to stop it.
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