Parties
Do you mean "plural of party?" If so, the plural of party is parties.
The plural of third party is third parties.
The plural of party is parties.
The plural of political party is "political parties".
The plural possessive form of "party" is "parties'". This indicates that something belongs to multiple parties. The apostrophe comes after the "s" because the word is already plural.
parties
The plural form of "party" as a verb is "parties," for example: "They parties all night long."
The plural form of the compound noun is birthday parties.
Parties
Puppies, cities, fairies, and parties are the plural forms.
"Was" is used in singular past tense: "He was at the party" "Were" is plural past tense: "They were at the party" or, Mary and John were at the party."
Carts.