A singular possessive noun shows ownership by one person or thing.
We add an apostrophe (') and s to most singular nouns to show possession.
Jerome's pet dog barely barks.
My teacher's desk is always neat and tidy.
The cat's whiskers are really long.
A plural possessive noun shows ownership by more than one person or thing.
To form the possessive of a plural noun ending in s or es, add only an apostrophe (').
To form the possessive of a plural noun that does not end in s, add an apostrophe and s ('s).
The birds' nest had many eggs.
The foxes' lair was hidden under the ground.
The men's beards were really thick and long.
Open the activity. Practice using singular possessive nouns and plural possessive nouns in a sentence.