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Rule "He knocked (on) the door"

This is one of many errors that LanguageTool can detect.

Description: He knocked (on) the door
Message: It looks like you're missing the preposition "on". Did you mean <suggestion>\1 on</suggestion>?
Category: Collocations (ID: COLLOCATIONS)
Incorrect sentences
that this rule can detect:
  • Tom walked up to one of the houses and knocked the door.
    Correction suggestion: knocked on
  • She approaches the foreboding castle and knocks the door.
    Correction suggestion: knocks on
Correct sentences
for comparison:
  • He attempted to knock the door down.
ID: MISSING_PREP_KNOCK_ON_DOOR [1]
Version: 6.6-SNAPSHOT (2024-11-25 22:33:08 +0100)