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I don't see this getting used quite often, but is it alright to use chain contractions in essays, reports, letters, documents, etc.?

I shouldn't've'd eaten that doughnut.

They'll've a doughnut face if they don't stop.

Oh boy, y'all'll be punished for mistreating that doughnut!

It doesn't break any laws, does it?

marked as duplicate by Nicole, bib, Kristina Lopez, user66974, tchrist Mar 4 '15 at 20:49

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No it's not alright. Unless it's a character's dialog in which case pretty much anything goes.

That said,

  • shouldn't've'd
  • They'll've
  • y'all'll

shouldn't be used anywhere, as it's not clear what words those are short for.

  • Yep, that's what I thought - thanks for the response. – Wicdz Mar 4 '15 at 4:09
  • What do you mean? What could "y'all'll" be short for besides "you all will"? – sumelic Jul 7 '15 at 20:48

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