Her is a pronoun that is used in the object position, not as a subject, or a possessive adjective that describes a subject or an object noun.
He loves her. (object of the verb)
He speaks to her. (object of the preposition)
Jane forgot her hat and gloves on that cold night. (a possessive adjective)
Her is a singular pronoun.
The noun 'mice' is the plural form of the singular noun 'mouse'.
The noun 'circus' is a singular noun.The plural noun is 'circuses'.
The noun juggler is a singular noun. The plural noun is jugglers.
Statistics is plural, the singular form is statistic.
The noun 'days' is the plural form of the singular noun 'day'.
The noun 'mice' is the plural form of the singular noun 'mouse'.
"Book" is a noun that has both a singular and plural form: "book" (singular) and "books" (plural).
"Children" is a plural noun. The singular form is "child."
The noun 'circus' is a singular noun.The plural noun is 'circuses'.
The word "loss" is singular. It refers to the act or instance of losing something.
The noun juggler is a singular noun. The plural noun is jugglers.
The singular noun is Tuesday.The plural noun is Tuesdays.
The singular noun is trio; the plural noun is trios.
The noun 'orchid' is a singular noun, a word for one.The plural noun is 'orchids'.
Statistics is plural, the singular form is statistic.
No, Mice is a plural noun. Mouse is the singular noun.
The word aisle is a singular noun. The plural noun is aisles.