Plural Nouns

Singular nouns= only one

Plural nouns= more than one

When forming plural nouns, there are certain rules we must follow.

These rules depend upon the singular form of the noun.

Rule #1

To form the plurals of most nouns, add –s

Singular

teacher

Plural

teachers

Rule #2

Form the plurals of nouns ending in s, x, z, ch, sh by adding –es

Singular

class

Plural

classes

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

Rule #4

Form the plurals of nouns ending in y proceeded by a vowel by adding -s

Singular

monkey

Plural

monkeys

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

Rule #6

If a noun ends in o, but has a vowel before the o, add –s

Singular

Stereo

Plural

Stereos

Rule #7

If a noun ends in o, but there is a consonant before the o, and an –es.

Singular

hero

Plural

heroes

Rule #8

Some plural nouns are formed in irregular ways.

Singular

mouse

Plural

mice