and you know this how? vs And how do you know this?

Both phrases are correct and commonly used in English. They are interchangeable and convey the same meaning. The choice between them depends on personal preference or the flow of the conversation.

Last updated: March 25, 2024 • 870 views

This phrase is correct and commonly used in informal conversations to question someone's knowledge or information source.

"and you know this how?"

This phrase is used to ask someone about the source or basis of their knowledge in an informal way.

Examples:

And you know this how? Did you read it somewhere?
And you know this how? Have you spoken to the manager?
And you know this how? Is it from personal experience?
And you know this how? Can you provide more details?
And you know this how? I'm curious about your source.

Show examples from the web [+]

And you know this how? - Word on the street.
-And you know this how?
- And you know this how?
- And you know this how?
And you know all this how?
[Chuckles] You - and you would know this how?
And you know of this Klingon attack how?
And you know this how, Tracy?
And you know this how, exactly?
And do you know how hypocritical this is?
And you know this why? I was a kid once.
And you know this because...?
And you know this because...?
And you know this? because I know him.
- And you know this because?
And you know this because...?
And you know this because...?
And you know what? Sometimes it should.
And you know what? It's never been me.
- And you know these men?

Alternatives:

And how do you know this?
How do you know this?
How did you find this out?
What makes you say that?
What's your source for this information?

This phrase is correct and commonly used in English to inquire about someone's knowledge or the basis of their information.

"And how do you know this?"

This phrase is used to ask for the source or reasoning behind someone's knowledge or statement in a more formal or standard way.

Examples:

And how do you know this? Can you provide more details?
And how do you know this? Did you hear it from someone?
And how do you know this? Is it from personal experience?
And how do you know this? Have you checked the facts?
And how do you know this? I'm interested in your source.

Show examples from the web [+]

And how do you know this? I caught them together two days before she died.
And how do you know this?
- And how do you know this?
And how do you know this?
- And how do you know this? - You got something?
And how do you know this man?
Who are you and how do you know all this?
And how do you know this, sir?
And how do you know about this place?
And how do you know about this bangle?
And how do you know all of this?
And how, perchance, do you know this?
And how do you know that? I'd received one, too.
Wait, how do you know this?
- How do you know this?
- Bo, how do you know all this? - Mum told me.
- And how do you know that?
And how do you know Chris?
How do you know this symbol?
How do you know this stuff?

Alternatives:

And you know this how?
How do you know this?
How did you find this out?
What makes you say that?
What's your source for this information?

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and you know this how? vs And how do you know this?