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 |
|---|---|---|
| Invalid date, like 'February 31, 2014' | January 10 – 1, 2016. | Semantics |
| Missing comma between day of month and year | My birthday is October 18 1983. | Punctuation |
| august (August) | From April – august | Grammar |
| Comma after a month | The store closed its doors for good in October, 1958. | Punctuation |
| Invalid date, like 'February 31, 2014' | January, 10 – 1, 2016. | Semantics |
| jailbreaked (jailbroke) | I jailbreaked my iPhone. | Grammar |
| Jack Daniel's | Jack Daniels is a whiskey brand from the US. | Proper Nouns |
| login (log in) | Please login before commenting. | Commonly Confused Words |
| missing verb after 'will/can/could/would' | I can cheeseburger. | Grammar |
| missing verb after 'will/can/could/would' | I can't cheeseburger. | Grammar |
LanguageTool 6.8-SNAPSHOT (2026-05-04 22:33:08 +0200)