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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'.
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Explained by Howard B.
Editor at TextRanch

Last updated: March 24, 2025 • 5694 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.
  • 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.
  • 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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