Are whoever ,whichever and whatever relative pronouns which is used to modify nouns in adjective clauses?
Most workers, whoever was not employed by the auto manufacturer, toiled at one of the millions of little minnow companies.
The three approaches, whichever works is fine, produce a more ambiguous picture of a man.
Any excessive profits, whatever exceeded accepted limits, would attract the notice of representatives.
Are these sentences correct? And can we use whoever, whichever and whatever as relative pronoun?