-es:
babies, cities, classes, foxes, knives, leaves, lorries, shelves, strawberries, watches, tomatoes
-s:
boys, computers
исключения:
foot - feet
mouse - mice
-es:
babies, cities, classes, foxes, knives, leaves, lorries, shelves, strawberries, watches, tomatoes
-s:
boys, computers
исключения:
foot - feet
mouse - mice