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Rule "Collocation: it is sure/certain"

This is one of many errors that LanguageTool can detect.

Description: Collocation: it is sure/certain
Message: "It is sure" is uncommon. Consider using <suggestion>certain</suggestion>.
Category: Collocations (ID: COLLOCATIONS)
Incorrect sentences
that this rule can detect:
  • It is sure that my English will improve.
    Correction suggestion: certain
Correct sentences
for comparison:
  • It is sure good.
  • It's sure going to be rough coming back to 100.
ID: IT_IS_SURE [158]
Version: 6.8-SNAPSHOT (2025-10-27 22:33:07 +0100)