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Rule "Plural verb after 'this' or 'that'"

This is one of many errors that LanguageTool can detect.

Description: Plural verb after 'this' or 'that'
Message: The verb '\3' is plural.
Category: Grammar (ID: GRAMMAR)
Incorrect sentences
that this rule can detect:
  • Studies have shown that lobbyist have become less influential in state politics.
    Correction suggestion: lobbyist has, lobbyists have
Correct sentences
for comparison:
  • I see that problem have not been resolved.
  • I'm replacing some of my existing z-wave switches with newer ones and want to put the old ones elsewhere in the house that still have regular switches.
  • Since it is difficult to distinguish the symptoms of anthrax from the flu, the CDC has recommended that everyone have a flu shot.
  • Olson continued that in a postmodern age that continually attempted to demand that poetry have social reference, none could be found in Thomas's work.
  • There are a couple midsize suv's that now have a third seat (although the seat it is closer to the ground).
  • While it is important that everyone have fun, it is more important that we are a seen as a professional organization.
  • There will not be much time to have long conversations, but it is very important that everyone have the same understanding what the numbers mean.
ID: PLURAL_VERB_AFTER_THIS [5]
Version: 6.6-SNAPSHOT (2024-11-23 22:33:10 +0100)