Compound Sentences Worksheet - Top Teacher - Free Printable

Let's solve this Compound Sentences worksheet step by step. The goal is to choose the correct compound word (also called a coordinating conjunction or subordinating conjunction) from the given list to complete each sentence logically and grammatically.

Given Words:

- for
- so
- yet
- and
- or
- unless
- however
- because
- but
- after

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Now, let’s go through each sentence and pick the best word.

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1. I bought an apple, __________ I bought a pear.

- Both actions are positive and related — buying two fruits.
- Best choice: and
→ *I bought an apple, and I bought a pear.*

✔ Answer: and

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2. I missed the bus, __________ I walked to the park.

- Missing the bus caused walking to the park — shows result.
- Best choice: so
→ *I missed the bus, so I walked to the park.*

✔ Answer: so

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3. Sam will miss the bus, __________ she finds her keys.

- This is a conditional: if she doesn't find keys, she'll miss the bus.
- Best choice: unless
→ *Sam will miss the bus, unless she finds her keys.*

✔ Answer: unless

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4. Sally is famous, __________ she is very humble.

- Two contrasting ideas: famous vs. humble.
- Best choice: but or however — both work, but "however" is more formal and fits well with commas.
- Since it's a compound sentence with a comma, however is appropriate.
→ *Sally is famous, however, she is very humble.*

✔ Answer: however

> Note: "but" could also work here, but "however" is better in written form with commas.

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5. James said no __________ he didn’t want to go.

- Explaining the reason for saying no.
- Best choice: because
→ *James said no because he didn’t want to go.*

✔ Answer: because

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6. We went to buy shoes, __________ the car broke down.

- Two events: going to buy shoes, then car broke down — unexpected.
- Suggests contrast or a change in plan.
- Best choice: but
→ *We went to buy shoes, but the car broke down.*

✔ Answer: but

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7. I eat carrots, __________ a snack before dinner.

- Carrots are eaten as a snack — showing purpose or function.
- Best choice: for
→ *I eat carrots, for a snack before dinner.*

✔ Answer: for

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8. The gym is closed, __________, we can go to the beach.

- The closure of the gym leads to an alternative plan.
- Best choice: so
→ *The gym is closed, so, we can go to the beach.*

✔ Answer: so

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9. We can play, __________ we can have ice-cream.

- Two options or alternatives.
- Best choice: or
→ *We can play, or we can have ice-cream.*

✔ Answer: or

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10. You can play __________ you have finished your homework.

- A condition: only after finishing homework.
- Best choice: after
→ *You can play after you have finished your homework.*

✔ Answer: after

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✔ Final Answers:

| Sentence | Answer |
|--------|--------|
| 1 | and |
| 2 | so |
| 3 | unless |
| 4 | however |
| 5 | because |
| 6 | but |
| 7 | for |
| 8 | so |
| 9 | or |
| 10 | after |

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📝 Explanation Summary:

- Conjunctions like and, but, or, so, yet connect independent clauses.
- Subordinating conjunctions like because, unless, after introduce dependent clauses.
- However is a transitional word used between two sentences (often with commas).
- Choose based on meaning: cause, contrast, condition, time, etc.

This exercise helps students understand how different connecting words affect meaning in compound sentences.

Let me know if you'd like this formatted as a printable answer key!