A gerund is "a word ending in "-ing" that is made from a verb and used like a noun" (Cambridge University Press, n.d., para. 1).
Please see the following examples of gerunds from the OWL at Purdue (n.d.):
Gerund as subject:
Gerund as direct object:
Gerund as subject complement:
Gerund as object of preposition:
For more information, please refer to The OWL at Purdue: Gerunds.
Cambridge University Press. (n.d.). Gerund. Cambridge dictionary. Retrieved February 24, 2021, from https://dictionary.cambridge.org/dictionary/english/gerund
Purdue University. (n.d.). Gerunds. Purdue Online Writing Lab. https://owl.purdue.edu/owl/general_writing/mechanics/gerunds_participles_and_infinitives/index.html