June 21: Possessive apostrophes
Using apostrophes with possessive nouns commonly causes confusion.
Source: Grammarly
Published: February 2017
Possessive apostrophes
Using apostrophes with possessive nouns commonly causes confusion.
Here are a few rules of thumb:
Singular nouns:
Add apostrophe + s
Ex: The writer’s desk
Plural nouns:
Add only an apostrophe
Ex: The students’ backpacks
Plural nouns that do not end in s:
Add apostrophe + s
Ex: The children’s toys
Plural proper nouns that end in s:
Add only an apostrophe
Ex: The Smiths’ vacation
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What about "Singular proper nouns that end in s?"
+1 to Sean's question -- that's the one I see messed up all the time :)