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Rule "'to' + non-base form"

This is one of many errors that LanguageTool can detect.

Description: 'to' + non-base form
Message: The verb after "to" should be in the base form as part of the to-infinitive. A verb can take many forms, but the base form is always used in the to-infinitive.
Category: Grammar (ID: GRAMMAR)
Incorrect sentences
that this rule can detect:
  • I have to spent more time on this.
    Correction suggestion: spend
Correct sentences
for comparison:
  • Belladonna leaves as well as other studied leaves contains two distinct phosphatase fractions belonging to types II and III.
ID: TO_NON_BASE [7]
Version: 6.6-SNAPSHOT (2024-11-24 22:33:09 +0100)