Prepositions (prepositions) is followed by a noun always (Noun, Pronoun, Gerund, etc) verbs all that is behind a preposition is a verb add ing that is gerund itself (gerund is a verb that fills ing act is. noun)
Prepositions (prepositions) is followed by a noun always (Noun, Pronoun, Gerund, etc) verbs all that is behind a preposition is a verb add ing that is gerund itself (gerund is a verb that fills ing act is. noun)