1. The rules of regular and irregular Plural Nouns
The following are rules we will go through, discuss and practice

2. To make most nouns plural, just add s
Hand hands
Rabbit rabbits
Key keys
Clock clocks
Football footballs
Door doors
Room rooms
Dog dogs
Light lights
Television televisions
Computer computers

3. For nouns ending is s, x, z, ch or sh add -es
PLURAL
Box Boxes
Pitch Pitches
Wish Wishes
Boss Bosses
Buzz Buzzes
Glass Glasses
SINGULAR

4. for nouns that end in o, add -es
Singular Noun Plural Noun
Potato potatoes
Tomato tomatoes
Hero heroes
Echo echoes
Bango banjoes
The plural of many words ending in o can be spelled with -s or –es.

5. However, for some words ending in o, just add -s
SINGULAR PLURAL Cello Cellos Disco Discos Hairdo Hairdos Logo Logos Patio Patios Photo Photos Piano Pianos Radio Radios

6. THERE ARE SOME PLURAL NOUNS, ENDING IN F, CHANGE THE F TO V AND ADD -ES
SINGULAR PLURAL Half Halves Loaf Loaves Elf Elves Leaf Leaves Self Selves Shelf Shelves Thief Thieves Wolf Wolves

7. However, some words ending in f, just add -s to make it plural
SINGULAR PLURAL Chef Chefs Cliff Cliffs Ref Refs Roof Roofs

8. Some nouns that end in -ife, change the f to v and then add -s
SINGULAR PLURAL Wife Wives Life Lives Knife Knives

9. For common nouns that end with a consonant+y, change the y to an I and then add -es
SINGULAR PLURAL
Poppy Poppies
Fly Flies
Penny Pennies
Spy Spies
Weekly Weeklies
Sty Sties
Sky Skies

10. Some nouns are the same in both singular and plural form
SINGULAR PLURAL Fish Fish Sheep Sheep Deer Deer Tuna Tuna Salmon Salmon Trout Trout

11. For some nouns, change other letters or just change the word completely!
SINGULAR PLURAL Person People Child Children Ox Oxen Foot Feet Tooth Teeth Goose Geese Mouse Mice Louse Lice Man Men