Riddles Brain Teaser Of The Day: Punctuation May 24, 2016March 3, 2016 gags Can you make this sentence into a phrase by only adding punctuation? You may not add, subtract, or rearrange the words. Good luck. that that is is that that is not is not is that it it is Show answer That that is, is. That that is not, is not. Is that it? It is.