family - families
friend - friends
desk - desks
student - students
house - houses
pen - pens
dog - dogs
father - fathers
worker - workers
child - children
doctor - doctors
school - schools
pencil - pencils
cat - cats
mother - mothers
dentist - dentists
classmate - classmates
families
friends
desks
students
houses
pens
dogs
fathers
workers
child - children
doctors
schools
pencils
cats
mothers
dentists
classmates
(Hầu hết là các danh từ thường nên ta thêm "s / es", riêng child là danh từ bất quy tắc, ta viết children.)
families
friends
desks
students
houses
pens
dogs
fathers
workers
children
doctors
schools
pencils
cats
mothers
dentists
classmates