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"Who and Whom" grammar worksheet for practicing subject and object pronouns.

A worksheet titled "Who and Whom" with instructions to complete sentences using "who" or "whom," featuring illustrations of a cookie jar, skateboard, and astronaut.

A worksheet titled "Who and Whom" with instructions to complete sentences using "who" or "whom," featuring illustrations of a cookie jar, skateboard, and astronaut.

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Show Answer Key & Explanations Step-by-step solution for: Who or Whom? | Interactive Worksheet | Third grade ...
Let's solve this grammar worksheet step by step. The task is to choose between "who" and "whom" to correctly complete each sentence.

🔹 Key Rule:


- "Who" is used when the pronoun is the subject of a clause (i.e., doing the action).
- "Whom" is used when the pronoun is the object of a verb or preposition (i.e., receiving the action).

Think of it this way:
- "Who" = subject (like "he", "she", "they")
- "Whom" = object (like "him", "her", "them")

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Now, let’s go through each sentence:

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1. ________ stole the cookies from the cookie jar?

- The blank is the subject of the verb "stole".
- So we need a subject pronoun → Who
Who stole the cookies...

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2. ________ did you invite to the party?

- "Invite" is a verb, and the blank is the object of that verb.
- So we need an object pronoun → Whom
Whom did you invite...

> Note: In everyday speech, people often say "Who did you invite?" but grammatically, "whom" is correct here.

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3. Do you know ________ she looks like?

- This is a bit tricky. The phrase "she looks like" is a prepositional phrase, and "like" is a preposition.
- So we're asking: "Do you know whom she looks like?"
- The object of "like" is the person being compared to — so whom.
Whom she looks like?

> But note: Many native speakers would say "who" here informally. However, technically, "whom" is correct because it's the object of the preposition "like".

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4. The third graders were eager to find out ________ their new teacher would be.

- The blank is the subject of the verb "would be".
- So we need a subject pronoun → who
who their new teacher would be

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5. When the police arrived on the scene, they wanted to know ________ saw the accident.

- The blank is the subject of the verb "saw".
- So we need who
who saw the accident

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6. The Lakers, ________ play basketball, are a Los Angeles team.

- The blank introduces a relative clause ("play basketball") modifying "The Lakers".
- "The Lakers" is plural and the subject of "play".
- So we need who (subject)
who play basketball

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7. Grant, ________ left their skateboard in the driveway?

- This is a question: "Grant, [who/whom] left their skateboard..."
- The blank is the subject of the verb "left".
- So we use who
who left their skateboard...

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8. The class president thanked everyone ________ helped her win.

- "Helped" is a verb; the blank is its subject.
- So we need who
who helped her win

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9. To ________ does this stinky pair of socks belong?

- "Belong" is a verb, but "to" is a preposition.
- We’re asking: "To whom do these socks belong?"
- Prepositions take whom as object
whom does this stinky pair of socks belong?

> Note: "To who" is common in speech, but "to whom" is grammatically correct.

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10. ________ was the first astronaut to walk on the moon?

- The blank is the subject of the verb "was".
- So we use Who
Who was the first astronaut...

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11. With ________ did she go to the candy store?

- "With" is a preposition.
- The blank is the object of the preposition "with".
- So we need whom
whom did she go...

> Again, people say "who" in casual speech, but "whom" is correct.

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Final Answers:



1. Who
2. Whom
3. Whom
4. who
5. who
6. who
7. who
8. who
9. whom
10. Who
11. whom

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💡 Tips for Remembering:


- Ask yourself: Is the pronoun doing the action (subject)? → Use who
- Is it receiving the action or following a preposition? → Use whom
- You can test it by replacing with "he/him":
- "He stole the cookies" → "Who stole..." ✔️
- "I invited him" → "Whom did I invite?" ✔️

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Parent Tip: Review the logic above to help your child master the concept of who whom worksheet.
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