NSGrammaticalNumber.zero Zero persons or things, as used for a grammatical number. Declarationcase zero See AlsoDetermining Grammatical NumberNSGrammaticalNumber.singularNSGrammaticalNumber.pluralNSGrammaticalNumber.pluralTwoNSGrammaticalNumber.pluralFewNSGrammaticalNumber.pluralManyNSGrammaticalNumber.notSet