Common V.S Proper nouns.
How do you turn plural nouns into possessive nouns?
Add an apostrophe into the word.
Is this common or proper? “mail man”
Common
Is this word common or proper? “Friday”
Proper
Is this a antecedent? “He”
No
Is this plural or possessive noun? ”boys“
plural
Is this a singular noun? ”school”
Yes
Is this a noun? “pizza”
Yes