singular is one & plural is more than one
Singular and plural.
A signifies singular while the can signify singular, plural, or multiple.
Ox is the singular, oxen is the plural.
millennium is singular, millennia is plural
"Foot" is singular, and "feet" is plural.
Cactus is singular, cacti is plural.
gentleman=singular gentlemen=plural
society is singular and societies is plural
crisis = singular, crises, plural
society is singular and societies is plural
aren't -> are not/plural You We They isn't -> is not/singular She He It
Cacti is the singular and catus is the plural. :)