SOME
We use "some" in positive sentences.
We use some for both countable and uncountable nouns.
Example: I have some friends.
* We use "some" in questions when offering or requesting something that is there.
Example: Would you like some bread? (offer)
Example: Could I have some water? (request)
ANY
We use "any" in negative sentences or questions.
We use any for both countable and uncountable nouns.
Example: Do you have any cheese?
Example: He doesn't have any friends in Calvià.