s : books, desks, brothers
es : buses, classes, sandwiches
ies : activities, diaries, families
irregular : children, people, women
s: books, brothers, desks
es: buses, classes, sandwiches
ies: activities, diariesm families
irregular: children, people, women
-s : books, desks, brothers
-es : buses, classes, sandwiches
-ies : activities, diaries, families
irregular : children, people, women.