Indefinite Pronouns
Indefinite pronouns are used to refer to people or things without saying exactly who or what they are.
We use pronouns ending in -body or -one for people, pronouns ending in -thing for things, and pronouns ending in -where for place.
Everybody enjoyed the concert.
I opened the door but there was no one at home.
It was a very clear day. We could see everything.
We use a singular verb after an indefinite pronoun.
Everybody loves her.
Everything was ready for the party.
PersonPlace  Thing
someone           somebody somewheresomething       
anyone    anybody  anywhereanything
no one     nobody   nowherenothing
everyone everybody  everywhere everything