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Rule "Possible agreement error: plural noun + singular verb"

This is one of many errors that LanguageTool can detect.

Description: Possible agreement error: plural noun + singular verb
Message: You should probably use <suggestion>are</suggestion> or <suggestion>were</suggestion>.
Category: Grammar (ID: GRAMMAR)
Incorrect sentences
that this rule can detect:
  • Cars is useful.
    Correction suggestion: are, were
Correct sentences
for comparison:
  • Gambling is forbidden
  • Windows is a type of computer operating system.
  • Asteroids was so popular that video arcade operators sometimes ...
  • Measles was eliminated in the U.S. 19 years ago.
ID: AGREEMENT_SENT_START [42]
Version: 6.6-SNAPSHOT (2024-11-24 22:33:09 +0100)