Is party a noun

Answer 1

It can be, yes. a party as a noun could be a celebration of some sort, or it could also refer to a group of people who are together, like in a restaurant, or a search party. Party as a verb refers to the act of being at a party, or otherwise acting in a festive manner.

Answer 2

Yes, the word parties is a noun, the plural form of the noun party; a word for a social event; an organized group of people such as a political party or a rescue party; person or group involved in an agreement or disagreement, a contract, or legal case with another person or group; a word for a thing. Example sentence:

All of the parties involved in the accident have provided their insurance information.

Answer 3

No. It's a past tense verb.