To put it simply, a gerund is a verb derivative, often called a “verbal,” that is used as a noun. A gerund in it’s most basic form is: a VERB + ING.
Are used as nouns
End in -ing.
Examples of gerunds:
She got a bronze medal for swimming last year.
His talking during the show is really getting on my nerves.
Walking is great exercise for everyone.
Important: Do not confuse gerunds with present participles which also end in -ing.
A possessive adjective is a type of pronoun that indicates who or what owns something and describes the noun that follows. (Unlike a possessive pronoun, possessive adjectives are not nouns.)
The list of possessive adjectives are: