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Rule "Agreement: 'I is / you is / ... '"

This is one of many errors that LanguageTool can detect.

Description: Agreement: 'I is / you is / ... '
Message: Use third-person verb with '\2'.
Category: Grammar (ID: GRAMMAR)
Link: https://languagetool.org/insights/post/forms-of-to-be/#forms-of-the-verb-%E2%80%9Cto-be%E2%80%9D
Incorrect sentences
that this rule can detect:
  • He were too old for that.
    Correction suggestion: is, was
  • She were too old for that.
    Correction suggestion: is, was
Correct sentences
for comparison:
  • Not sure of the status if she were to return at this point.
  • … but if, by any evil chance, he were not, then …
  • It is unclear if Tom and she were married.
  • His sisters as well as he are now living in Tokio.
  • He fled the country lest he be captured and imprisoned.
  • … whether he be a stranger or not.
  • If I were eighty and she were still alive.
ID: PERS_PRONOUN_AGREEMENT [9]
Version: 6.8-SNAPSHOT (2025-11-03 22:33:08 +0100)