Relative Pronouns Relative pronouns can fulfill two types of functions in one sentence: (1) subject or (2) object. When subjected, there will be a noun before the pronoun. In turn, when it appears after a verb, with or without preposition, then we are talking about a relative pronoun with an object function. Now let's look at the relative English pronouns. Subject functionOperation for peopleWhoWho or WhomFor thingsWhichWhichFor people or thingsThatThat