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Browse Rules: 6,149 matches

These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.

Description Example Category
Agreement: Mass/singular noun + non-third-person verb Marketing are bad for you. Grammar
missing genitive (e.g., 'employee's' instead of 'employee') Angela idea is good. Possible Typo
Missing vocative comma Tom thank you! Punctuation
Tom like (likes|liked) the sun Tim make his life worse. Grammar
Possible agreement error: plural noun + singular verb Tina and her father sings a song. Grammar
Words that doesn't (don't) Words that doesn't exist. Grammar
confusion of 'beg' vs 'bag' Reusable shopping begs are good for the nature. Grammar
wrong preposition: 'On addition' (In addition) On addition, ... Grammar
who (whom) With who did you go? Style
Articles: article missing before a countable noun About month before I left it was discussed... Grammar
LanguageTool 6.8-SNAPSHOT (2026-01-17 22:33:09 +0100)