Irregular Plurals

1
Irregular Plurals
2
Form most nouns add s

• book - books
• idea - ideas
• student - students
• camera - cameras
• shoe - shoes

3
For nouns ending in s, x, z, ch, or sh, add es.

• tax taxes
• class - classes
• wish wishes
• branch - branches
• boss bosses
• fox foxes

4
For nouns ending in y preceded by a consonant,
change the y to ie and add s.

• country countries
• baby - babies
• pony ponies
• family - families

5
For nouns ending in y preceded by a vowel by
adding s.

• tray trays
• monkey - monkeys

6
Some nouns ending in f or fe add s. For others
change the f or fe to v and add es.

• thief thieves
• belief believes
• half - halves

7
For nouns ending in o preceded by a vowel add
s.

• decoy decoys
• alley - alleys

8
The plural of many nouns ending in o preceded by
a consonant is formed by adding es.

• hero heroes
• tomato tomatoes

9
The plural of a few nouns is formed in irregular
ways.

• mouse mice
• foot feet
• goose geese
• mother-in-law mothers-in-law
• drive-in drive-ins
• deer deer
• fish - fish

10
Form plurals of numerals, dates, signs, and words
referred to as words by adding s.

• 1900 1900s
• A As

11
Directions Spell the plural form of each of the
following nouns.

1. monkey
2. trophy
3. diary
4. hoof
5. Sioux
6. basketball
7. Japanese
8. son-in-law
9. car pool
10. sit-up

12
Directions Spell the plural form of each of the
following nouns.

1. monkeys
2. trophies
3. diaries
4. hooves
5. Sioux
6. basketballs
7. Japanese
8. sons-in-law
9. car pools
10. sit-ups