Browse Rules: 6,150 matches
These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.
| Description | Example | Category |
|---|---|---|
| Sentence ending with 'the' or 'a' | I am going to an. | Grammar |
| Missing whitespace before a parenthesis | I'm from San Diego(California). | Typography |
| hat vs that | I hope hat you are happy. | Commonly Confused Words |
| hat vs that | I hope hat you are happy. | Commonly Confused Words |
| comma before/after 'huh?' | Was it you huh? | Punctuation |
| He going (He is going) | Adam and I only going to be there. | Grammar |
| He going (He is going) | Adam and I going to be there. | Grammar |
| Non-standard question mark | Is he an average person？ | Typography |
| Inconsistent case: She'S (She's) | He'S very happy. | Semantics |
| space after apostrophe in contraction (e.g. I' m) | Maybe I 'm missing something? | Typography |
LanguageTool 6.8-SNAPSHOT (2026-02-18 22:33:09 +0100)