Gerunds and Infinitives – Object of the Preposition On May 9, 2012 / In Grammar 86 Views How to know when to use a gerund or an infinitive when using prepositions.Related posts:Noun Clauses - IntroductionActive and Passive Verbs ESL Online GameHow to Punctuate Adjective Clauses #2 gerunds, gerunds and infinitives, how to use, infinitives, verb to stop Post navigation Prev PostMovie Trailer ESL Grammar – The Avengers (Adjective Clauses) Next PostModals – Necessity