We can't count uncountable nouns. We don't use numbers to say how many.
Uncountable nouns have no plural form. We don't add -s.
We don't use a/an with uncountable nouns.
We use some with uncountable nouns in positive sentences.
- I've got some bread.
- There's some chicken.
We use any with uncountable nouns in negative sentences and in most questions.
- I haven't got any milk.
- There isn't any juice.
- Have you got any rice?
We also use some in questions to ask for things or to offer something.
- Would you like some coffee?
- Can I have some cake, please?