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Rule "Collocation: Good in/at"

This is one of many errors that LanguageTool can detect.

Description: Collocation: Good in/at
Message: Use "good at" to mean "skilled" with school subjects. Try this: <suggestion>\1 at \3</suggestion>.
Category: Collocations (ID: COLLOCATIONS)
Link: https://7esl.com/collocations/
Incorrect sentences
that this rule can detect:
  • I'm good in math. I was good in running errands.
    Correction suggestion: good at math
Correct sentences
for comparison:
  • I wish I could express myself better in French.
ID: GOOD_IN_AT [7]
Version: 6.6-SNAPSHOT (2024-11-07 22:33:09 +0100)