robert457
robert457 Jul 29, 2026 • 0 views

Run-on sentence practice passages with answer key: Grade 8 ELA

Hey everyone! 👋 I'm really trying to get better at spotting and fixing run-on sentences for my 8th-grade ELA class. It feels like sometimes I just keep writing and writing without stopping, and then my teacher points out a 'run-on'! 🤦‍♀️ Can you help me understand them better and give me some practice? I need to ace this!
📖 English Language Arts
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📚 Understanding Run-on Sentences: Grade 8 ELA

Welcome, future writing champions! Run-on sentences are a common challenge, but with a little practice, you'll master them. Simply put, a run-on sentence occurs when two or more independent clauses (complete thoughts that could stand alone as sentences) are joined incorrectly. There are two main types: a fused sentence, where clauses are joined with no punctuation, and a comma splice, where they are joined only by a comma.

The good news is there are several easy ways to fix run-on sentences! You can separate them into two distinct sentences with a period, join them with a semicolon, use a comma and a coordinating conjunction (like 'and', 'but', 'or'), or even restructure the sentence using a subordinating conjunction. Recognizing these sentence errors and knowing how to correct them will significantly improve the clarity and flow of your writing. Let's get started!

📝 Part A: Vocabulary Match-Up

Match each term (1-5) with its correct definition (A-E) below.

  • 1. Run-on Sentence
  • 2. Comma Splice
  • 3. Fused Sentence
  • 4. Coordinating Conjunction
  • 5. Independent Clause

Definitions:

  • 🅰️ A word that connects two independent clauses of equal importance (e.g., for, and, nor, but, or, yet, so).
  • 🅱️ A complete thought that contains a subject and a predicate and can stand alone as a sentence.
  • C️ Two or more independent clauses joined together without any punctuation or conjunction.
  • D️ An error where two or more independent clauses are incorrectly joined by only a comma.
  • E️ A sentence error where two or more independent clauses are combined incorrectly (either fused or with a comma splice).

✍️ Part B: Fill in the Blanks

Complete the paragraph below by choosing the best word from the word bank to fill in each blank.

Word Bank: run-on, period, comma splice, independent, conjunctions, clarity

Understanding sentence structure is crucial for clear writing. A common error is the ______ sentence, which combines two or more ______ clauses incorrectly. One type is a ______, where only a comma separates these clauses. Another is a fused sentence, lacking any punctuation at all. To fix these, you can use a ______ to create two separate sentences, or add a semicolon. You can also use coordinating ______ like 'and' or 'but' with a comma. Correcting these errors greatly improves the ______ of your message.

🧠 Part C: Critical Thinking

  • 🤔 Why is it important for writers, especially in academic settings, to avoid run-on sentences? How does fixing them benefit the reader?

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