Common Errors
Run-On Sentences: How to Spot Them and Fix Them for Good
Run-on sentences are one of the most common writing mistakes. Learn what they are, why they happen, and four reliable...
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Sentence Trouble
Sentence Trouble is your go-to resource for understanding and fixing common sentence problems. From run-ons and fragments to comma splices and misplaced modifiers, we break down grammar rules, writing mistakes, and sentence structure so you can write with clarity and confidence.
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Sentence Structure
Independent vs. Dependent Clauses: The Building Blocks of Every Sentence
Understanding the difference between independent and dependent clauses is the key to building clear, correct, and...
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Punctuation
Semicolon vs. Colon: When to Use Each (and When Not To)
Semicolons and colons are often confused or avoided entirely. This guide breaks down exactly when each one belongs in...
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Style & Clarity
How to Write Concise Sentences Without Losing Meaning
Wordy sentences drain your writing of energy. Learn practical techniques to cut the clutter and say exactly what you...
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Grammar Guides
Subject-Verb Agreement: The Complete Guide to Getting It Right
Subject-verb agreement errors are surprisingly easy to make. This comprehensive guide covers the rules, the tricky...
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Writing Tips
10 Proofreading Habits That Will Immediately Improve Your Writing
Good writing is rewriting. These ten practical proofreading habits help you catch errors, tighten sentences, and polish...
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Common Errors
Identify and fix the most frequent sentence-level mistakes writers make, from run-ons to...
ExploreSentence Structure
Deep dives into how sentences are built — subjects, predicates, clauses, phrases, and...
ExplorePunctuation
Master commas, semicolons, colons, dashes, and more to prevent punctuation from...
ExploreStyle & Clarity
Go beyond correctness — learn how to write sentences that are clear, concise, and...
ExploreGrammar Guides
Comprehensive reference guides covering grammar rules, parts of speech, tenses,...
ExploreWriting Tips
Practical, actionable tips to improve your everyday writing in emails, essays, reports,...
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