What part of speech is “are”

the word 'are' can be a noun that define an area equal to 100 square meters.

I bought an are of a land for my farm.

'are.' is an auxiliary verb, which modifies the verb 'to be.' for first person plural (we), second and third person plural (you, they) and second person singular (you).

'Are' is an auxiliary verb that is primarily used to form the present continuous tense. This tense is utilized to describe actions that are currently happening or ongoing actions in the present. 'Are' is used as an auxiliary verb with the first person plural (we), the second person singular and plural (you), and the third person plural (they).

First Person Plural 'We are dancing at the party.'

Second Person Singular 'You are a good writer.'

Third Person Plural 'They all are attending the seminar.'