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John knows about this vs John know about this

The correct phrase is "John knows about this." The verb "knows" agrees with the singular subject "John." The other phrase, "John know about this", is incorrect because it has a subject-verb agreement error.
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Explained by Jennifer
Editor at TextRanch

Last updated: March 21, 2025 • 5302 views

This phrase is correct and commonly used in English.

"John knows about this"

Use this phrase when referring to John having knowledge or awareness of something. The verb "knows" agrees with the singular subject "John."

Examples:

  • John knows about this new project.
  • John knows about the meeting tomorrow.
  • John knows about the changes in the schedule.
  • John knows about the latest developments.
  • John knows about the upcoming event.
  • Jan 18, 1994 ... "Probably three-quarters of St. John knows about this," said Guzik, as he sat in his office sorting through a stack of questions residents sent to ...
  • Naomi Lambert Not sure if John knows about this post, I've only just become aware of it myself. I know it's late but if any of you contributed in any way can I say a ...
  • Nov 27, 2015 ... I don't know if John knows about this or not. The first thing I would do is to shoot a warning shot across her bow. You are going to have to be ...
  • May 16, 2015 ... "John knows about this and he's devastated that she's decided to push ahead with the divorce – her mind is made up." Sally, 45, had been ...

This phrase is incorrect due to a subject-verb agreement error.

"John know about this"

  • Oct 9, 2015 ... Does John know about this? He's a man who insists on hearing bad news immediately... ReplyDelete · Alex | Locksmith in Evanstone October ...
  • Did John know about this arrangement when he asked me to accompany him? How was I going to cope? Hopefully John would not demand too much of me.
  • Jul 1, 2015 ... TVLINE | Turning to the home front: Does John know about this guy that's been creeping on his wife Sam (Beth Riesgraf)? It's funny you should ...
  • When I let John know about this he said it was no big deal and that is the "human quality" of his business. He did not apologize and felt it was okay for his DJ to ...

Alternatives:

  • John knows about this.

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