Because it's incorrect. The archaic form would be "Dare you not", the modern form - "Do not dare". There has never been "do not you dare".
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thanks for your very informational presentation
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"Do not you start with me!"
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More dramatic; I would love to cut out contractions
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In some cases yes. In this case it just sounds unusual and inconvenient..
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I think it sounds kinda neat
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In archaic-themed poetry or such sure. In casual use not so much..
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.. I must be the weird one here

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DO NOT YOU DARE MENTION THAT
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This fucked me up
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Do not you dare to use that tone
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You love me do not you
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Maybe
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Unless you're Yoda
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I've been reading a ton of Jane Austen for school... The characters phrase things like "do not you think..." all the time. It's just dated.
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Or British? Both?
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Not if you say it with the voice of Yoda
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When you want to lengthen a contraction with "not" in it you move the not so comes after the next word in the sentence for it to be correct.
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Shower thoughts used to be clever posts pulled from the original subreddit's front page. Now it's just a bunch of cringe worthy shit posts.
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