Free Sentence Checker Online | Grammar-Check.in

Improve Your Sentence Structure

Strong writing starts with well-constructed sentences. Our sentence checker analyzes your text for common structural issues and helps you write clearer, more effective prose.

What Our Sentence Checker Finds

Run-on sentences — Two or more independent clauses joined without proper punctuation
Sentence fragments — Incomplete sentences that lack a subject or verb
Subject-verb agreement — Ensuring subjects and verbs match in number
Passive voice — Suggestions to use active voice for stronger writing
Tense consistency — Maintaining the same verb tense throughout

Simply paste your text above and click "Check Sentences" to get instant feedback on your sentence structure.

How to Interpret Suggestions

Suggestions flag likely issues and offer examples — use them to guide edits rather than blindly applying every change.
For ambiguous cases, consider the intended tone and meaning before accepting a rewrite.
Run the Grammar and Spell Checkers after structural edits to catch introduced issues.

Frequently Asked Questions

What is a sentence fragment?

A fragment is an incomplete sentence missing a subject, verb, or complete thought. The checker highlights fragments and suggests fixes.

How do I fix passive voice?

The tool suggests active alternatives. Choose the active form if you want clearer, more direct sentences.

Will changes affect readability?

Many suggestions aim to improve readability, but always review to maintain your desired tone and style.

Is this suitable for academic writing?

Yes — the suggestions help improve clarity, but verify technical terms and citations separately.

Free Sentence Checker

📝 Sentence Checker