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Educational worksheet focusing on identifying and correcting sentence fragments and run-on sentences.

Worksheet titled "Fragments and Run-on Sentences" with instructions and eight numbered sentences to rewrite for grammatical correctness.

Worksheet titled "Fragments and Run-on Sentences" with instructions and eight numbered sentences to rewrite for grammatical correctness.

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Show Answer Key & Explanations Step-by-step solution for: Fragments and Run-On Sentences Worksheet | Sentence Structure Activity
Let’s go through each sentence one by one. The goal is to fix fragments (incomplete sentences) and run-ons (sentences that join too many ideas without proper punctuation or conjunctions).

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1. He went to the store, he bought a candy bar.
→ This is a run-on. Two complete thoughts are joined with just a comma. We can fix it by using a period, semicolon, or adding a word like “and”.
Fixed: *He went to the store and bought a candy bar.*
*(Or: He went to the store. He bought a candy bar.)*

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2. Having went to the store to buy food for dinner.
→ This is a fragment. It starts with “Having” but doesn’t have a main subject or verb to make a full thought. Also, “went” should be “gone” after “having”, but even then, it’s still not a full sentence. Let’s rewrite it as a complete idea.
Fixed: *I had gone to the store to buy food for dinner.*
*(Or: After going to the store to buy food for dinner, I came home.)*

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3. When I went to the park to sit on the swings.
→ Fragment. Starts with “When”, which makes it dependent — it needs another part to finish the thought.
Fixed: *When I went to the park, I sat on the swings.*
*(Or: I went to the park to sit on the swings.)*

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4. Education is the key to success, you should always try your best.
→ Run-on. Two independent clauses joined by a comma. Use a period, semicolon, or add “so” or “and”.
Fixed: *Education is the key to success, so you should always try your best.*
*(Or: Education is the key to success. You should always try your best.)*

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5. Until she went to the library to study.
→ Fragment. “Until” makes this dependent — it needs more info. What happened until then?
Fixed: *She didn’t leave until she went to the library to study.*
*(Or: She studied at the library until closing time.)*

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6. Studying all night for the big test next week.
→ Fragment. No subject — who is studying? Add a subject and maybe change the verb form.
Fixed: *I am studying all night for the big test next week.*
*(Or: She will be studying all night for the big test next week.)*

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7. Although Tom did his homework for a week, he failed reading class, he missed all of the other weeks.
→ Run-on + awkward structure. Three ideas crammed together. Break it up or use connectors properly.
Fixed: *Although Tom did his homework for a week, he failed reading class because he missed all of the other weeks.*
*(Or: Tom did his homework for a week, but he failed reading class since he missed all the other weeks.)*

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8. Janie couldn’t stand Tammy, even though Tammy didn’t do anything, Janie was a mean person.
→ Run-on. Too many clauses strung together. Needs better connection or splitting.
Fixed: *Janie couldn’t stand Tammy, even though Tammy didn’t do anything. Janie was just a mean person.*
*(Or: Even though Tammy didn’t do anything, Janie couldn’t stand her — Janie was a mean person.)*

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Final Answer:

1. He went to the store and bought a candy bar.
2. I had gone to the store to buy food for dinner.
3. When I went to the park, I sat on the swings.
4. Education is the key to success, so you should always try your best.
5. She didn’t leave until she went to the library to study.
6. I am studying all night for the big test next week.
7. Although Tom did his homework for a week, he failed reading class because he missed all of the other weeks.
8. Janie couldn’t stand Tammy, even though Tammy didn’t do anything. Janie was just a mean person.
Parent Tip: Review the logic above to help your child master the concept of fragments and run on sentences worksheet.
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