Put the pronoun in brackets into the correct form: I/me/my/mine/myself. For example, (I) Mr Wilkins is _____ boss. → Mr Wilkins is my boss.
(they) dog Nessy is so cute.
Let's sum up all personal and possessive pronouns in one table.
His and its have the same form in the third and fourth columns — as a possessive adjective and as a possessive pronoun.