Someone,somebody,something,somewhere

Someone,somebody,something,somewhereare indefinite pronouns. They function in a similar way tosome. We use them in affirmative clauses and in questions expecting a particular answer. We can use them to refer to both general and specific people or things. We use them with a singular verb:

I knowsomeonewho gives piano lessons.(a specific person)

Somebodyhas obviously made a mistake.(general, we don’t know who)

Can you hearsomething?

There was no mistaking the smell. Burning. There was a firesomewhere.

We often use the plural pronountheyto refer back to (singular)someoneorsomebodywhen we do not know if the person is male or female:

Never judgesomeoneby the waytheylook.(orNever judgesomeoneby the wayhe or shelooks.)