The plural form IS functions. The singular form is function.
Dramatics functions as both singular and plural
The word 'sightseeing' is a gerund, the present participle of a verb that functions as a noun. Gerunds have no plural form.
A quadratic function is a noun. The plural form would be quadratic functions.
The noun 'nursing' is a gerund, the present participle of the verb to nurse that functions as a noun. A gerund is an uncountable noun with no plural form. The possessive form is nursing's. Example:Marcy loves her job, but nursing's rewards are not monetary.
A quadratic function is a noun. The plural form would be quadratic functions.
The form 'saltworks' functions as a singular or a plural noun. Example: singular: Jim is applying for a job at the saltworks. plural: We have invested in a number of saltworks.
The noun 'measles' is an uncountable noun.The noun measles is plural in form but functions as a singular noun.Examples: He had a case of the measles.
Functions.
The second person, personal pronoun 'you' functions as both the singular and the plural. The pronoun 'you' also functions as a subject or an object in a sentence. Examples:Jack, you did a good job.Class, I'm so proud of you.When you come to the stop sign, you turn left.
Bridges is the plural form of bridge.
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
There is no plural form for the word, countries. This word itself is a plural.