1. Singular and Plural Possessives
Possessive Nouns
Singular and Plural Possessives

2. What is a possessive noun?
The possessive form of a noun shows ownership or relationship.
Relationship:
Rudy’s teacher discussed the Martian atmosphere.
Ownership:
Inez could see Mars through her father’s telescope.

3. Singular Possessive Nouns
To make a singular noun possessive, add an apostrophe and –s.
Ex. singular possessive
planet planet’s color
Mars Mars’s atmosphere

4. Plural Possessive Nouns
If a plural noun ends in –s, add an apostrophe to make the noun possessive.
Ex. plural plural poss.
canals canals’ shape
rocks rocks’ origin

5. If a plural noun does not end in –s, add an apostrophe and –s.
Ex plural plural poss.
women women’s careers
children children’s games