Top 6 Common Comma Problems. Master the trickiest punctuation mark with this visual guide. Free Classroom Poster
Top 6 Common Comma Problems
Top 6 Common Comma Problems
The comma may be small, but it causes big confusion—even among advanced English learners. This free ESL classroom poster outlines six of the most common comma mistakes, with clear explanations and examples to help students improve their writing instantly.
Why Commas Matter:
Commas guide the reader, clarify meaning, and prevent miscommunication. Misusing them can lead to run-on sentences, confusion, or embarrassing misunderstandings.
Top 6 Common Comma Problems Covered:
- Comma Splices – Two independent clauses joined with only a comma.
- Missing Commas After Introductory Elements – Like “After dinner,” or “When she arrived,” they need a comma.
- Unnecessary Commas Between Compound Predicates – “She laughed, and ran.” Wrong.
- Incorrect Use with Coordinating Conjunctions – “But,” “and,” “so” rules.
- Misplaced Commas Around Essential Clauses – “My friend who lives in Tokyo…” vs. “My friend, who lives in Tokyo…”
- Listing Errors – Oxford comma debates and correct serial comma usage.
Poster Features:
- Visual examples of each error and correction.
- Clear definitions and explanations.
- Designed for quick classroom reference.
Activities for Teachers:
Comma scavenger hunt in student writing.
“Fix the Comma” mini-lessons using real sentences.
Group editing challenges.
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