The best replacement for infinitive is gerund.

The best alternatives to infinitive are rated as following:
★★★★★  gerund
★★★★  preposition
★★★★  ing
★★★  infinitive phrase
★★★  imperative
★★  subjunctive
★★  gerund exercises
★★  gerund spanish
★★  subjunctive spanish
★★  prepositional phrase
★  indicative
★  participle
★  subjunctive french
★  gerund worksheet
★  present participle
★  indicative spanish
  ing form
  ing exercises
  indicative french
  gerunds
  gerund esl
  gerund practice
  gerund worksheets
  gerund list
  gerund rules
  conjugated verb

Your alternative for infinitive is not listed? Suggest!
Speaking about infinitive, one probably shouldn't forget about zu.

Other search terms related to infinitive and their ratings are:
★★★★★ zu
★★★ too and enough
★ subject
★ adverb
★ to and gerund
modal verbs
You have in mind a companion for infinitive and it is not yet here? Propose!



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infinitive
gerund
preposition