Literature is a "body of work" and can be plural or singular, but always uses the singular form of a verb (e.g. The literature is, The literature shows)
There is normally no S form. It has very limited application.
The noun 'literature' is an uncountable noun, a type of aggregate noun, a noun representing an indefinite number of elements.
Under ordinary circumstances, it is thought of as uncountable. But it can be used in a 'countable' sense if you are talking about various disparate world literatures. So it would help to know if the person asking you this is making any assumptions about literature being confined to a single language. If we are talking about a single language, then the word is almost always uncountable.
The noun 'readership' is a singular, uncountablenoun as a word for a group of people who regularly read a specific newspaper, magazine, etc.
The noun 'readership' is a singular, count-noun as a word for the job of being a reader in a university; the plural form is 'readerships'.
Singular Plural is caterpillars
The word crisis is singular. The plural form of crisis is crises.
Steroids is plural. The singular form of the word is steroid.
Association is singular. Associations is plural.
its singular there is no plural form of rendezvous
The word team is singular; the plural form is teams.
These is plural, this is singular
if a word refers to a single item it is singular. if it refers to lots of things it is plural."Potato" is singular "potatoes" is a plural word."mouse" is singular, "mice" is a plural word."person" is singular, "people" is a plural word.
The word "she" is singular, used to refer to one female person. It is the third-person singular pronoun for females.
The word "have" is a verb that can be used in both singular and plural contexts. In singular form, it can represent a single entity possessing something. In plural form, it can indicate multiple entities possessing something.
The word metastasis is singular, metastases is plural.
No, the word "list" is singular. The plural form of "list" is "lists."
Caveman is singular. Cavemen is plural.
Verbs cannot be singular or plural. Has is after singular nouns.
It's singular. The plural is cafeterias.
Tool is singular. Tools is plural.
Singular Plural is caterpillars