Question

My father worries about my riding a motorcycle which case is the underlined pronoun

Answer 1

if the underlined word is my then it would be possessive.

Answer 2

The pronoun in this sentence is "my" which is a possessive pronoun.

Step-by-step explanation:

Possessive pronouns are the types of pronouns that make a reference to speech people indicating a relation of ownership. Possessive pronouns maintain a close relationship with personal pronouns as they indicate what belongs to persons indicated by personal pronouns.