No, it is not a verb.
Saturday is a noun.
A verb is a word that describes either an action (walk, run, etc), an occurrence (become, happen, etc) or state of being (stand, exist, etc).
Yes, Saturdays is a plural noun for the singular Saturday; it's also a proper noun because it is the name for a specific day. Proper nouns are always capitalized.
The plural form of the proper noun 'Saturday' is Saturdays.
Yes. Hay is a singular noun. A Singular noun means one item only. So technically, hay is a singular noun.
The noun 'theory' is a singular noun. The plural noun is 'theories'.
The noun 'mice' is the plural form of the singular noun 'mouse'.
Yes the word question is a singular noun. The plural noun is questions.
The noun mailbox is the singular form; the plural is mailboxes.
Feet is a plural noun. Foot is a singular noun.
The noun juggler is a singular noun. The plural noun is jugglers.
The noun school is the singular form.The plural noun is schools.
The noun 'fun' is a singular non-count noun, it has no plural form.
The possessive form of the plural noun Saturdays is Saturdays'.example: All of our Saturdays' routines are the same, half housework and half shopping.