Fridays is already the plural form. The singular form is Friday.
The plural form of the singular noun Friday is Fridays.Example: On Fridays, we stop at the bar for a beer.
The plural form of man Friday is man Fridays.
The word Friday is a noun. The plural is Fridays.
There is no plural form. Do and Do not are verbs
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "is" is "are."
The plural form of "I" is "we."
The plural form of "was" is "were."
"Groceries" is the plural form of "grocery."
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.