Some x Any

SOME
Can be used:
In affirmative phrases
In interrogative phrases of "offering"
Before numerals

Ex: Judy has sent you SOME flowers.
Would you like SOME more coffee?
There were SOME four thousand soldiers there.

ANY
Can be used:
In interrogative phrases
In negative phrases
In affirmative phrases

Ex: Is there ANY juice in the jair?
There isn´t ANY juice in the jair.
ANY educated citizen is a good citizen.