Banned because these are double negatives:
-That won’t do you no good.
-I ain’t got no time for supper.
-Nobody with any sense isn’t going.
-I can’t find my keys nowhere.
-She never goes with nobody.
-John says he has not seen neither Alice or Susan all day.
-You can’t see no one in this crowd.
-There aren’t no presents left to open.
-The secret cave did not have none of the treasures they wanted.
-All the witnesses claimed that didn’t see nothing.
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Double negatives are two negative words used in the same sentence. Using two negatives turns the thought or sentence into a positive one. Double negatives are not encouraged in English because they are poor grammar and they can be confusing; but, they are sometimes used in song lyrics and informal speech.
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^Copied/Pasted everything from here
http://examples.yourdictionary.com/examples-of-double-negatives.html