Is 'Any body' an Indefinite Pronoun?
'Any body' is not an indefinite pronoun. It is a noun phrase comprised of two separate words 'any' and 'body'. It refers to any physical human body.
Rarely, you might encounter the spelling of 'any body' with space. Most often, it is used as a one-word pronoun.
The grave diggers were digging for not just
'Anybody' is the correct spelling of the indefinite pronoun referring to an unspecified person. It means any person at all; it does not matter who.
We can pick