Countable

A berry,a woman,a butterfly,an orange,a boy,a shirt,an apple,a chair,a leaf,a bottle

+ a lamp,a balloon.

Uncountable

SomeCheese,some paper, some butter, some money,some bread,some news, some salt, some chocolate,some water,some tea

+some sugar,some milk

С неисчисляемыми пишется some

Артикли с исчисляемыми Я поставила