1. Plural Nouns

2. Singular nouns= only one
Plural nouns= more than one

3. These rules depend upon the singular form of the noun.
When forming plural nouns, there are certain rules we must follow.
These rules depend upon the singular form of the noun.

4. Rule #1 To form the plurals of most nouns, add –s Singular teacher
teachers

5. Rule #2 Language Arts Language Arts Science Math
Form the plurals of nouns ending in s, x, z, ch, sh by adding –es
Singular
class
Plural
classes
Language Arts
Language Arts
Science
Math

6. Rule #3
Form the plurals of nouns ending in y proceeded by a consonant by changing the y to i and adding –es.
Singular
puppy
Plural
puppies

7. Rule #4
Form the plurals of nouns ending in y proceeded by a vowel by adding -s
Singular
monkey
Plural
monkeys

8. Rule #5
Most of the time, if the noun ends in “f” add –s. Sometimes you will change the f to v and add –es.
gulf…. gulfs
wolf…. wolves

9. Rule #6 If a noun ends in o, but has a vowel before the o, add –s
Singular
Stereo
Plural
Stereos

10. Rule #7
If a noun ends in o, but there is a consonant before the o, and an –es.
Singular
hero
Plural
heroes

11. Rule #8 Some plural nouns are formed in irregular ways. Singular mouse
mice