Nominative pronouns:

I (singular)

we (plural)

Objective pronouns:

me (singular)

us (plural)

Possessive pronouns:

my (singular)

our (plural) 

Nominative pronoun:

you (singular and plural)

Objective pronoun:

you (singular and plural)

 Possessive pronoun:

your (singular and plural)

Nominative pronouns:

 he, she, it (singular)

they (plural)

Objective pronouns:

him, her, it (singular)

them (plural)

Possessive pronouns:

his, hers, its (singular)

theirs (plural)