1. Overview: Irregular nouns are nouns that do not follow the regular pattern of adding "-s" or "-es" to form the plural. Understanding irregular nouns is important because they are common in everyday language.
Here are examples of irregular nouns:
Child → Children
Man → Men
Woman → Women
Person → People
Mouse → Mice
Goose → Geese
Foot → Feet
Tooth → Teeth
Cactus → Cacti
Sheep → Sheep
Fish → Fish
Deer → Deer
2. Cases of Usage:
- Some nouns change completely in the plural form. Example: One person, three people.
- Some nouns have the same form in singular and plural. Example: One sheep, two sheep.
- Some nouns add "-en" to form the plural. Example: One child, two children.
- Some nouns change vowels in the plural form. Example: One tooth, two teeth.
