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Defining Relative Clauses worksheet for grammar practice.

Worksheet titled "Defining Relative Clauses" with ten multiple-choice questions about using "who," "that," and "where" in sentences.

Worksheet titled "Defining Relative Clauses" with ten multiple-choice questions about using "who," "that," and "where" in sentences.

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Show Answer Key & Explanations Step-by-step solution for: Fun and Engaging Relative Clauses Activity for 6th Grade
Let's solve this exercise on defining relative clauses step by step.

We are choosing the correct relative pronoun: who, that, or where for each sentence. Here’s a quick guide:

- Who = used for people (subject of the clause)
- That = can refer to people or things (subject or object), often interchangeable with "who" or "which"
- Where = used for places (refers to location)

Now, let's go through each sentence:

---

1. A burglar is a person who / that / where breaks into houses and steal things.

- "Person" refers to a human → use who or that
- "Where" doesn't make sense (a person isn’t a place)
- "Steal" should be "steals" (subject-verb agreement), but we're just choosing the relative pronoun
Correct answer: who / that
→ Both are correct, but who is more natural when referring to people

> Answer: who (or that, but *who* is preferred for people)

---

2. The CSI are the people who / that / where investigate a crime scene.

- "People" → humans → who or that
- "Where" is incorrect (people aren't places)
Answer: who / that

> Answer: who (more natural)

---

3. A forensic laboratory is the place who / that / where evidence is sent for analysis.

- "Place" → location → use where
- "Who" and "that" don't fit because they refer to people or things, not locations
Answer: where

> Answer: where

---

4. The police are the people who / that / where seal off the crime scene.

- "People" → humans → who or that
- "Where" doesn't work here
Answer: who / that

> Answer: who (preferred for people)

---

5. Fingerprints and DNA are evidence who / that / where the CSI look for at crime scenes.

- "Evidence" is a thing → use that (not "who", which is for people; not "where", which is for places)
- "Who" is wrong (evidence isn’t a person)
- "Where" is wrong (evidence isn’t a place)
Answer: that

> Answer: that

---

6. DNA is material who / that / where is found in blood, saliva, hair and skin.

- "Material" = thing → use that
- "Who" = only for people
- "Where" = only for places
Answer: that

> Answer: that

---

7. Mickey is a detective who / that / where solved the crime.

- "Detective" = person → use who or that
- "Where" is incorrect
Answer: who / that

> Answer: who (better for people)

---

8. This is safe who / that / where the jewels were kept.

- "Safe" = object/thing → that or where?
- But "safe" is a container, so it's a place where something was kept
- So we use where (meaning “in which”)
- "Who" is wrong (safe isn't a person)
- "That" could work if we say "the safe that the jewels were kept in", but "where" is better for location
Answer: where

> Answer: where

---

9. That’s the room who / that / where the robbery took place.

- "Room" = place → use where
- "Who" and "that" don’t fit well here
- "That" might seem possible, but "where" is more natural when referring to location
Answer: where

> Answer: where

---

10. This is the brick who / that / where the thief used to break the window.

- "Brick" = object/thing → use that
- "Who" = only for people
- "Where" = only for places
- The sentence means: "This is the brick (that) the thief used..."
Answer: that

> Answer: that

---

Final Answers:



1. who
2. who
3. where
4. who
5. that
6. that
7. who
8. where
9. where
10. that

---

Summary Table:



| Sentence | Correct Choice | Reason |
|--------|----------------|--------|
| 1 | who | Person |
| 2 | who | People |
| 3 | where | Place |
| 4 | who | People |
| 5 | that | Thing (evidence) |
| 6 | that | Thing (material) |
| 7 | who | Person |
| 8 | where | Place (location) |
| 9 | where | Place (room) |
| 10 | that | Object (brick) |

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