Subject Pronouns

yo
I

tú
you

el
he

ella
she

usted (Ud.)
you (polite, singular)

nosotros
we (masculine or mixed gender)

nosotras
we (feminine, females only)

vosotros
you (plural, familiar, masculine or mixed gender)

vosotras
you (plural, feminine)

ustedes (Uds.)
you (plural, formal and familiar)