Who know vs Who knows

The correct phrase is 'who knows'. 'Who knows' is the correct form to use when asking a question or expressing uncertainty about something. 'Who know' is incorrect because 'knows' should agree with the singular subject 'who'.

Explained by Howard B.
Editor at TextRanch

Last updated: March 24, 2025 • 5810 views

'Who know' is incorrect. The verb 'know' should agree with the singular subject 'who'.

"Who know"

The correct form is 'who knows'. Use this phrase when asking a question or expressing uncertainty about something.

Show examples from the web [+]

To smile and nod at neighbors Who know your wife's supporting you Because no one will hire a felon?
We're the only ones here who know French.
As it happens, I am friends with the doshis, Who know your parents.
And so, you know, I know some guys Who know some guys, and they hired him for cleanup.
Urko would be particularly interested and curious about humans who know more than they should.
I've always been fortunate to serve under brilliant men who know everything.
...about humans who know more than they should.
By men who know how to hit.
The cool crowd who know everyone and the organisers.
Those who know knives are afraid of them.
I need advisors who know the modern world.
We're the only humans who know what went on.
There's too many people here who know the truth...
VVe'Il... go and find those who know.
Those who know the country of old just go about their business.
They are proper sports cars for discerning enthusiasts who know what they're talking about.
I'm talking about trained men who know when to shoot.
I have two witnesses who know where I was the following night.
Scavengers who know that this journey will take its toll.
Girls like a guy who know how to have fun.

Alternatives:

who knows

'Who knows' is the correct form to use when asking a question or expressing uncertainty about something.

"Who knows"

Use 'who knows' when asking a question or expressing uncertainty about something.

Show examples from the web [+]

Who knows what you have spoken to the darkness.
Who knows, they might let us go... reach an agreement.
Who knows without the blood work.
Who knows maybe this saved me from simplistic answers.
Who knows, he may be trying to really collapse.
Who knows what you have spoken to the darkness.
Who knows what could follow this escape.
Always calls "Pippo", Who knows why.
Who knows, probably already dead.
Who knows maybe get some writing done.
Who knows if we can live from your earnings.
Who knows, maybe you can stare too hard at something.
Who knows... tonight we may lose the battle.
Who knows what is Bubù doing.
Who knows when we will be still together.
Who knows how many others you asked.
Who knows why he built this one abomination.
Who knows, maybe she was volunteering for service.
Who knows what you've given me this time.
Who knows? Computer's down.

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Who know vs Who knows

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