Who vs. Whom. Post by Mary Cullen. Originally published April 29, 2021, updated January 25, 2023. Choosing between "who" and "whom" can be confusing for even experienced writers. This article will outline when to use who, when to use whom, and how to remember the difference easily. from English Grammar Today Relative pronouns introduce relative clauses. The most common relative pronouns are who, whom, whose, which, that. The relative pronoun we use depends on what we are referring to and the type of relative clause. As we have seen above, whose is a possessive pronoun that is used to indicate possession. Who's is the contracted form of who is, used in informal speech or for brevity. The best way to remember the difference between whose and who's is to see if the sentence still makes sense when replacing it with who is . "Who" is a subject pronoun like "he," "she" and "we" in the examples above. We use "who" to ask which person does an action or which person is a certain way. Examples: WHOM: WHOSE: Who is a subject pronoun like 'I', 'he', 'she', 'we' and etc… We use WHO to ask which person does an action or which person is a certain way. Example Sentences; Who is this? Who will come early tomorrow? Who on earth believes that? How to use the words 'who', 'whom', 'that', 'which', 'where'. Relative pronouns and relative adverbs introduce relative clauses. 'Who' - 'whose' - 'whom' - 'that' and 'which' - are relative pronouns. 'Where' is a relative adverb. There is often confusion about the use of who, whose, whom, that, which or where. Whom replaces who in spots where that word would receive the action of the verb or complete the meaning of a preposition. 'Who' vs 'Whom' Examples. Let's look at some of the grammatical places who tends to appear and see whether whom ought to go there instead. Who and Whom or Whose? The use of the pronouns who, whom, and whose may cause some confusion for English language learners. 'Who' is a subject pronoun. It is used to specify which person did an action or which person is in a certain state. 'Whom' is an object pronoun that is used to indicate the person who received an action. mUYya36.