Who believes that will believe anything.
The visitor who came yesterday; our child, who is gifted; informed sources who denied the story.
Who is he? I asked who he was; I don't know who he is.
“who steals my purse steals trash”
An example of WHO is the organization that is concerned with international public health matters.
An example of who is someone asking the identity of a person; who is that child?
The man who came to dinner.
Who is that? (direct question)
I don't know who it is. (indirect question)
It was a nice man who helped us.
- as if one should say
Other Word Forms
Idioms and Phrasal Verbs
Origin of who
- Middle English from Old English hwā kwo- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition