4 Questions
Which of the following nouns is an exception to the regular plural form rule?
Foot
Which of the following nouns remains the same in both singular and plural forms?
Deer
What happens to -o nouns in the plural form?
They become -os or -oes
Which of the following nouns has a different plural form?
Die
Study Notes
Irregular Plurals
Common Exceptions
- Child -> Children
- Foot -> Feet
- Man -> Men
- Mouse -> Mice
- Ox -> Oxen
- Tooth -> Teeth
- Woman -> Women
Formation Rules
-
-is nouns become -es in plural form
- Crisis -> Crises
- Basis -> Bases
-
-o nouns become -os or -oes in plural form
- Photo -> Photos
- Tomato -> Tomatoes
-
-f or -fe nouns become -ves in plural form
- Thief -> Thieves
- Knife -> Knives
-
-us nouns become -i in plural form
- Cactus -> Cacti
- Fungus -> Fungi
Noun Forms
-
Singular nouns with the same form in plural
- Deer (singular and plural)
- Sheep (singular and plural)
-
Nouns that remain the same in plural form
- Series (singular and plural)
- Species (singular and plural)
-
Nouns with different plural forms
- Die -> Dice (plural)
- Antenna -> Antennae (plural)
Test your knowledge of irregular plural nouns in English, including exceptions and formation rules. Learn how to form plural nouns correctly!
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