The word 'both' is not a noun, the word 'both' is an indefinite pronoun, an adjective, or a conjunction. Examples:
indefinite pronoun: Both are good but the raspberry is my favorite.
adjective: Both puppies have new homes.
conjunction: We visited both the Metropolitan Museum and the Guggenheim.
Yes, "both" can be a singular possessive pronoun when referring to two separate items or individuals possessed by the same owner. For example, "Both of Mary's cats are black" indicates that Mary owns two cats.
"Book" is a noun that has both a singular and plural form: "book" (singular) and "books" (plural).
The noun 'syllabus' is the singular form. The plural forms are syllabi or syllabuses, both are accepted.
Yes, "sheep" can be used as both the singular and plural form.
"Cousin" can be both singular and plural. "Cousins" is the plural form.
The word century's is the possessive form of the singular noun century.The plural noun is centuries.The plural possessive form is centuries'.Example: Several centuries' records were destroyed in the war.
The singular form of the noun is stapler. The singular posessive form of the noun would be stapler's. The plural form of the noun would be staplers. The plural posessive form of the noun would be staplers'
The singular possessive form of "faculty" is "faculty's."
The noun form Williams' is a plural possessivenoun.The singular possessive noun is William's.Examples:Both of the Willams' last names are similar, William Jackson and William Johnson. (plural)My brother William's birthday is on Saturday. (singular)
singular
Painters'
The knife's edge had been dulled when it hit the rock. Knife's is singular posessive. The knives' edges had been dulled when they hit the rock. Knives' is plural posessive.
It is both a singular or plural noun.
Music is a singular, uncountable noun.
The plural form of the singular noun 'company' is companies.The plural possessive form is companies'.Example: The companies' names on the directory are in alphabetic order.
The word husband's is the possessive form of the singular noun husband.The plural noun is husbands.The plural possessive form is husbands'.Example: We must applaud our husbands' efforts to plan the party.
"Book" is a noun that has both a singular and plural form: "book" (singular) and "books" (plural).
The word zoo's is the possessive form of the singular noun zoo.The plural noun is zoos.The plural possessive form is zoos'.Example: Many zoos' habitats have improved over the past decade.