Правильное множественное число (-s/-es)

The majority of English nouns form their plural by adding either -s or -es to the end of the singular form. These are known as regular plurals.

For most nouns, you simply add an -s to the end of the singular form to make it plural.

Единственное число	Множественное число	Пример
cat	cats	I saw three cats in the garden.
house	houses	There are many new houses in the city.
car	cars	He has two cars.
table	tables	The restaurant has five tables.

You add -es to the singular form of a noun that ends in -s, -ss, -sh, -ch, -x, or -z. This is done to make the plural form easier to pronounce.

Окончание	Единственное число	Множественное число	Пример
-s	bus	buses	The city has ten buses.
-ss	glass	glasses	I bought two glasses for the wine.
-sh	dish	dishes	Please wash the dishes.
-ch	church	churches	There are many beautiful churches here.
-x	box	boxes	He carried three heavy boxes.
-z	quiz	quizzes	The teacher gave us two short quizzes.