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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 question mark Where did she go. Punctuation
Missing question mark Why do they do this to us every year... Punctuation
3rd person verb (base verb) after what/who Who want to go to the mall? Grammar
agreement error: auxiliary verb (do/have) and subject in questions Have your father lived in England? Grammar
agreement error: auxiliary verb (do/have) and subject in questions Has your parents told you everything? Grammar
agreement error: auxiliary verb (do/have) and subject in questions Does your parents live in England? Grammar
agreement error: auxiliary verb (do/have) and subject in questions Do your father live in England? Grammar
do you sings (sing) Do you tried this? Grammar
do you found (find) Do you found the pen? Grammar
shell (shall) we We shell overcome. Commonly Confused Words
LanguageTool 6.8-SNAPSHOT (2026-04-13 22:33:08 +0200)