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Is there some rule against ending a sentence with the contraction “it's”?
Why is it that the following sounds incorrect:
"Would she know where it's?"
But this sounds fine:
"Would she know where it is?"
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Because you don't contract away a stressed syllable. It's counter to the very nature of contraction.
See also the answer to Is there some rule against ending a sentence with the contraction "It's"?
