COUNTABLE AND UNCOUNTABLE NOUNS
part I

Countable can be singular and plural, we can count them.

an apple
a peach
one egg
a pen

some
ten
a few
a lot of
1 kg

apples
peaches
eggs
pens

Uncountable nouns can only be singular (they have no plural). We can't count them.

a little
some
a lot of
much
a bottle of
one pound of

money
sugar
music
flour
water
meat

Nouns are used with SOME in positive sentences and with ANY in questions and negatives.

nouns	positive sentences	questions and negatives
countable	Alice's got SOME apples.	Have you got any books? I haven't got any rubbers.
uncountable	Tom has bought some sugar.	Is there any milk left? We don't need any flour.

NOTE!: In sentences with SOME or ANY we use plural of countable nouns.
Form: some/any + plural