Not sure if a sentence is correct? Paste it below to check grammar, spelling and punctuation, and get a corrected version in one click.
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How to correct a sentence
- Type or paste your sentence into the editor.
- Press Check text. Each problem is underlined and explained on the right.
- Press Fix all to get the corrected sentence, then copy it.
Is my sentence grammatically correct?
The sentence checker looks at how the words work together, not just how they are spelled. It catches the mistakes that make a sentence sound wrong even when every word is a real word:
| Incorrect sentence | Corrected sentence | Why |
|---|---|---|
| She go to work every day. | She goes to work every day. | Subject-verb agreement |
| They was late again. | They were late again. | Plural verb with they |
| I didn’t went to school. | I didn’t go to school. | Base verb after didn’t |
| He can sings very well. | He can sing very well. | Base verb after can |
| Their going to the park. | They’re going to the park. | Confused words |
| Yesterday I go to the market. | Yesterday I went to the market. | Past tense |
When to use a sentence checker
- Email subject lines and the first line of a message
- Social media captions and bios
- Text messages to clients or teachers
- Headlines, titles and slogans
- Translations you want to double-check in English
For longer text, the paragraph checker and essay checker add readability scoring and reading time.
More free writing tools
- Grammar CheckerFull grammar, spelling and style check
- Spell CheckerFind and fix typos and misspellings
- Punctuation CheckerCommas, apostrophes and capitals
- Essay CheckerProofread essays and papers
- Paragraph CheckerCheck and polish whole paragraphs
- UK English Grammar CheckerBritish spelling and grammar
Frequently asked questions
Can it rewrite my sentence?
It corrects grammar, spelling and punctuation while keeping your wording. It does not rewrite your sentence in a different style.
Does it work for non-native English speakers?
Yes. It is especially good at the mistakes English learners make most, such as verb forms, tenses and agreement.
Is the sentence checker free?
Yes, it is free with no account needed.