Singular Possessive Nouns
* The dog's tail wagged excitedly. (The tail belongs to the dog.)
* The cat's food was in its bowl. (The food belongs to the cat.)
* My friend's birthday is next week. (The birthday belongs to my friend.)
* The sun's rays warmed the earth. (The rays belong to the sun.)
Plural Possessive Nouns
* The children's toys were scattered everywhere. (The toys belong to the children.)
* The birds' nests were high in the trees. (The nests belong to the birds.)
* The students' papers were graded by the teacher. (The papers belong to the students.)
Possessive Nouns with Apostrophes and "s"
* The boy's bike was red. (The bike belongs to one boy.)
* The girls' books were on the table. (The books belong to more than one girl.)
* The boss's office was on the top floor. (The office belongs to one boss.)
Special Cases
* For words ending in "s", add only an apostrophe: "The boss's car"
* For words ending in "s" but pronounced with a "z" sound, add "s" then an apostrophe: "The hostess's party"
Other Possessive Structures:
* Using "of": "The roof of the house" (The house's roof)
* Using a prepositional phrase: "The book belonging to my sister" (My sister's book)
Remember, possessive nouns indicate ownership or belonging. You can use these examples to understand how to use them correctly in your own sentences.