What word in this sentence is a proper noun?My dad works at Walmart: Walmart. Which sentence is written correctly? : What did you do on Monday?. Fix this sentence with correct capitalization:Jane and tommy played in the snow: Jane and Tommy played in the snow.. What word should be capitalized?There is no school on monday: monday. Which of the following is a proper noun: New York City. Which word in the following sentence should be capitalized?My friend John walks to school: John. Which word in the following sentence should be capitalized?Our school is in california: California. Which word in the following sentence should be capitalized?We are in february: february. Which sentence is written correctly: My friend's name is Jill Smith.