6. 6 RULES TO CHANGE FROM SINGULAR FORM TO
PLURAL NOUN:
1. By adding “s”
boat boats
house houses
cat cats
river rivers
7. 2. A singular ending in “s”, “x”, “z”, “ch”, “sh” makes the plural
noun by ending in “es”.For words that end in z, add an extra “z”
before “es”
grass grasses
box boxes
quiz quizzes
switch switches
dish dishes
8. 3. Nouns ending in f or fe just add “ves”.
knife knives
wolf wolves
life lives
wife wives
9. 4. Unique old english plural nouns :
a man men
a woman women
a person people
a child children
a brother brothers
a tooth teeth
a foot feet
a mouse mice
10. 5. Many nouns have identical forms for both singular and plural:
a sheep sheep
a deer deer
music music
means means
11. 6. Most nouns ending in “o” take the ending “es”.
potato potatoes
volcano volcanoes
tomato tomatoes
hero heroes