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Rule "mismatched verbs and tag question operators"

This is one of many errors that LanguageTool can detect.

Description: mismatched verbs and tag question operators
By default, this rule is not active in LanguageTool
Message: In a tag question, the operator (verb) must match the verb ‘is’.
Category: Punctuation (ID: PUNCTUATION)
Incorrect sentences
that this rule can detect:
  • It's not very helpful, does it?
    Correction suggestion: is it
  • It is not very helpful, does it?
    Correction suggestion: is it
  • It isn't very helpful, does it?
    Correction suggestion: is it
ID: TAG_QUESTIONS_2 [16]
Version: 6.6-SNAPSHOT (2025-02-07 22:33:08 +0100)