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"you know why?" vs "do you know why?"

Both "you know why?" and "do you know why?" are correct, but they are used in different contexts. "You know why?" is more informal and is often used when the speaker assumes the listener already knows the reason. On the other hand, "Do you know why?" is more formal and is used to inquire if the listener knows the reason.

Last Updated: April 01, 2024

you know why?

This phrase is correct and commonly used in informal contexts when the speaker assumes the listener already knows the reason.

This phrase is used when the speaker is confident that the listener knows the reason for something and is often used in casual conversations.

Examples:

  • You know why I can't go to the party, right?
  • You know why I'm upset, don't you?
  • You know why she left, don't you?

Alternatives:

  • You know what?
  • You know, right?
  • You know the reason, right?
  • You know the deal, right?
  • You know the story, right?

do you know why?

This phrase is correct and commonly used in formal contexts to inquire if the listener knows the reason for something.

This phrase is used when the speaker wants to ask if the listener knows the reason for something and is more formal than "you know why?"

Examples:

  • Do you know why she didn't come to the meeting?
  • Do you know why the project was delayed?
  • Do you know why he was fired?

Alternatives:

  • Can you tell me why?
  • Could you explain why?
  • Would you happen to know why?
  • Could you clarify why?
  • Can you shed light on why?

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