15 Complex Sentence Worksheets 7th Grade - Free PDF at worksheeto.com - Free Printable

Let's solve this 3rd Grade Sentence Worksheet step by step. The goal is to determine whether each sentence is simple, compound, or complex.

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🔹 Definitions:

- Simple Sentence: One independent clause (one subject and one predicate).
- Compound Sentence: Two or more independent clauses joined by a coordinating conjunction (e.g., *and, but, so*).
- Complex Sentence: One independent clause + one or more dependent clauses (starts with subordinating conjunctions like *because, when, before, while, whenever*).

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Now, let’s go through each sentence:

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1. His mom drove the car.
→ One independent clause.
✔ Simple

2. The dog was hungry, so he begged for food.
→ Two independent clauses: "The dog was hungry" and "he begged for food", joined by *so*.
✔ Compound

3. The man slipped because the sidewalk was slippery.
→ Independent clause: "The man slipped"
→ Dependent clause: "because the sidewalk was slippery"
✔ Complex

4. She hit a bump when she was riding her bicycle.
→ Independent: "She hit a bump"
→ Dependent: "when she was riding her bicycle"
✔ Complex

5. There are five birds in the tree.
→ One independent clause.
✔ Simple

6. The remote control was missing.
→ One independent clause.
✔ Simple

7. Before they went to the market, my parents made a list.
→ Independent: "my parents made a list"
→ Dependent: "Before they went to the market"
✔ Complex

8. He wanted to stay up late, but he was too tired.
→ Two independent clauses: "He wanted to stay up late" and "he was too tired", joined by *but*.
✔ Compound

9. Dad read the paper while his son did his homework.
→ Independent: "Dad read the paper"
→ Dependent: "while his son did his homework"
✔ Complex

10. Crickets make loud noises.
→ One independent clause.
✔ Simple

11. Crickets make loud noises and they kept Jimmy awake.
→ Two independent clauses: "Crickets make loud noises" and "they kept Jimmy awake", joined by *and*.
✔ Compound

12. Crickets make loud noises whenever they talk to each other.
→ Independent: "Crickets make loud noises"
→ Dependent: "whenever they talk to each other"
✔ Complex

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✔ Final Answers:

| # | Sentence | Type |
|---|--------|------|
| 1 | His mom drove the car. | Simple |
| 2 | The dog was hungry, so he begged for food. | Compound |
| 3 | The man slipped because the sidewalk was slippery. | Complex |
| 4 | She hit a bump when she was riding her bicycle. | Complex |
| 5 | There are five birds in the tree. | Simple |
| 6 | The remote control was missing. | Simple |
| 7 | Before they went to the market, my parents made a list. | Complex |
| 8 | He wanted to stay up late, but he was too tired. | Compound |
| 9 | Dad read the paper while his son did his homework. | Complex |
| 10 | Crickets make loud noises. | Simple |
| 11 | Crickets make loud noises and they kept Jimmy awake. | Compound |
| 12 | Crickets make loud noises whenever they talk to each other. | Complex |

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📝 How to Fill Out the Worksheet:

For each sentence, check the correct box:

- Simple: ✔
- Compound: ✔
- Complex: ✔

So, here’s how the checkboxes should be marked:

```
1. Simple [X] Compound [ ] Complex [ ]
2. Simple [ ] Compound [X] Complex [ ]
3. Simple [ ] Compound [ ] Complex [X]
4. Simple [ ] Compound [ ] Complex [X]
5. Simple [X] Compound [ ] Complex [ ]
6. Simple [X] Compound [ ] Complex [ ]
7. Simple [ ] Compound [ ] Complex [X]
8. Simple [ ] Compound [X] Complex [ ]
9. Simple [ ] Compound [ ] Complex [X]
10. Simple [X] Compound [ ] Complex [ ]
11. Simple [ ] Compound [X] Complex [ ]
12. Simple [ ] Compound [ ] Complex [X]
```

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✔ Answer Key Summary:
- Simple: 1, 5, 6, 10
- Compound: 2, 8, 11
- Complex: 3, 4, 7, 9, 12

Let me know if you'd like a printable version or explanation for any specific sentence!