Классификация существительных по признаку исчисляемости-неисчисляемости

Исчисляемые Countable	Неисчисляемые Uncountable
ед.ч – мн.ч. (singular-plural) an apple-apples an idea – ideas a child – children a fish – fish a printer - printers	ед.ч. (singular) money, milk, sugar, yoghurt, news, glass, knowledge, toast, weather, wool, paper
Употребляется с:
is/are has/have many, a lot of (a) few, several a/the some	is has much, a lot of (a) little the some