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Rule "'Could've' + irregular past tense verb"

This is one of many errors that LanguageTool can detect.

Description: 'Could've' + irregular past tense verb
Message: Did you mean <suggestion>\1\2 \3</suggestion>?
Category: Possible Typo (ID: TYPOS)
Incorrect sentences
that this rule can detect:
  • We could've ate the chicken.
    Correction suggestion: could've eaten
Correct sentences
for comparison:
  • I think I've showed considerable constraint under the circumstances.
  • We've drank the kool-aid.
ID: COULDVE_IRREGULAR_VERB [1]
Version: 6.8-SNAPSHOT (2025-10-28 22:33:08 +0100)