When to Use Who and Whom with Rules and Examples
Understanding the difference between "who" and "whom" is important for clear English writing and speaking. This grammar rule often appears in school exams, competitive tests, and daily life. Learning correct usage helps avoid mistakes, improves formal writing, and builds professional English skills.
| Word | Type | Usual Function | Example |
|---|---|---|---|
| Who | Subject Pronoun | Performs the action | Who is calling? |
| Whom | Object Pronoun | Receives the action | To whom should I speak? |
Difference Between Who and Whom
The difference between "who" and "whom" is simple: "who" is used as the subject of a sentence, while "whom" is used as the object. For example, "Who called you?" and "To whom did you speak?" follow this rule. Mastering this difference is key for exams and formal writing.
Who: Meaning and Usage
"Who" is a subject pronoun. It refers to the person doing the action in a sentence or clause. Use "who" when you could replace it with "he", "she", or "they". This is common in questions, statements, and relative clauses.
- Who is coming to class?
- Who finished the homework?
- She is the student who won the prize.
Whom: Meaning and Usage
"Whom" is an object pronoun. It refers to the person receiving the action or linked by a preposition. Use "whom" when you could replace it with "him", "her", or "them". "Whom" often appears in formal writing and polite questions.
- Whom did you see at the library?
- To whom should I send the letter?
- The teacher praised the student whom everyone likes.
Tricks to Remember Who vs Whom
A quick way to choose between "who" and "whom" is the "he/him" test. Replace the pronoun: if “he” fits, use "who"; if “him” fits, use "whom". Also, remember "whom" ends with "m", just like "him".
| Replace with | Use | Example |
|---|---|---|
| He/She/They | Who | Who is at the door? (He is at the door.) |
| Him/Her/Them | Whom | Whom did you meet? (You met him.) |
Common Grammar Errors: Who vs Whom
Students often mix "who" and "whom", leading to awkward or incorrect sentences. Read the sentence below and notice the mistake, followed by the corrected form.
| Incorrect | Correct |
|---|---|
| Whom is coming to play? | Who is coming to play? |
| Who did you give the book to? | Whom did you give the book to? |
| For who is this present? | For whom is this present? |
Who and Whom in Relative Clauses
Both "who" and "whom" can be used as relative pronouns to join clauses. "Who" joins clauses where the pronoun is the subject; "whom" is used when it is the object.
- She is the girl who sings.
- He is the boy whom everyone respects.
Practice Exercises: Who or Whom?
Test your understanding. Fill in the blanks with "who" or "whom". Then, check your answers below.
- ______ do you want to invite?
- ______ left their bag here?
- To ______ are you speaking?
- She is the person ______ helped me.
- ______ did you see at the movie?
Answers: 1. Whom, 2. Who, 3. Whom, 4. Who, 5. Whom
Relative Pronouns Table
| Pronoun | Type | Example |
|---|---|---|
| Who | Subject (person) | Who is your friend? |
| Whom | Object (person) | Whom did you call? |
| Whose | Possession (person) | Whose book is this? |
| Which | Subject or Object (thing) | Which is yours? |
| That | People or things (subject/object) | This is the bag that I bought. |
Who vs Whom Summary Table
| Who | Whom | |
|---|---|---|
| Function | Subject | Object |
| Test | He/She/They | Him/Her/Them |
| Example | Who opened the door? | Whom did you meet? |
| Typical Use | Questions, relative clauses | Questions (with prepositions), formal writing |
Knowing when to use "who" and "whom" in English helps you write, speak, and do well in exams. These rules are useful for formal letters, essays, and everyday conversation. With practice, choosing the right pronoun becomes easy. Learn more about English grammar topics on Vedantu for better skills and confidence.
FAQs on Difference Between Who and Whom in English Grammar
1. What is the difference between who and whom?
The difference between who and whom is that who is used as a subject, while whom is used as an object in a sentence.
- Who performs the action (subject): “Who called you?”
- Whom receives the action (object): “Whom did you call?”
2. When should I use who in a sentence?
You should use who when referring to the subject of a verb.
- It replaces he, she, or they.
- Example: “Who is coming to the party?”
- Test: If you can answer with he/she/they, use who.
3. When should I use whom in a sentence?
You should use whom when referring to the object of a verb or preposition.
- It replaces him, her, or them.
- Example (object of verb): “Whom did you invite?”
- Example (object of preposition): “To whom should I address the letter?”
4. How can I easily remember the rule for who vs whom?
You can remember the who vs whom rule by matching who = he/she and whom = him/her.
- If you can substitute he or she, use who.
- If you can substitute him or her, use whom.
5. Is whom still used in modern English?
Yes, whom is still used in formal and written English, although it is less common in casual speech.
- Formal: “The candidate whom we selected is qualified.”
- Informal speech often replaces it with who.
6. Can you give example sentences using who and whom?
Yes, who is used as a subject and whom as an object in sentences.
- Subject: “She is the teacher who helped me.”
- Object of verb: “The student whom the teacher praised smiled.”
- Object of preposition: “The person to whom you spoke is my manager.”
7. Do you always use whom after a preposition?
Yes, in formal grammar, you use whom after a preposition because it is the object of the preposition.
- Correct (formal): “With whom are you going?”
- Less formal: “Who are you going with?”
8. Why do people confuse who and whom?
People confuse who and whom because modern spoken English rarely uses whom, making the object form less familiar.
- Both words relate to people.
- The subject–object distinction is not always obvious.
- Informal speech often replaces whom with who.
9. Is it wrong to use who instead of whom?
Using who instead of whom is grammatically incorrect in formal English but often accepted in informal speech.
- Formal correct: “The applicant whom we interviewed was qualified.”
- Informal: “The applicant who we interviewed was qualified.”
10. How do who and whom work in relative clauses?
In relative clauses, who functions as the subject and whom functions as the object of the clause.
- Subject relative clause: “The woman who lives next door is a doctor.”
- Object relative clause: “The woman whom I met is a doctor.”
