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 |
|---|---|---|
| Missing comma between day of month and year | My birthday is October 18 1983. | Punctuation |
| missing comma in 'buy two get one free' | Buy 2 Get 1 Free! | Grammar |
| Missing definite article in the date | It happened in 1990s. | Grammar |
| Missing definite article in the date | It happened in 1990's. | Grammar |
| Missing definite article referring to a time period | Something happened in past. | Grammar |
| missing genitive (e.g., 'employee's' instead of 'employee') | Angela idea is good. | Possible Typo |
| missing genitive (e.g., 'employee's' instead of 'employee') | Fergus idea is good. | Possible Typo |
| missing hyphen after 'mid' | He woke up mid sleep and screamed. | Compounding |
| missing hyphen in '10 degree angle' | He looked at it from a 10 degree angle. | Grammar |
| missing hyphen in '10 story window' | Violent Affair guitarist falls out of 10 story building. | Grammar |
LanguageTool 6.8-SNAPSHOT (2026-05-04 22:33:08 +0200)