This is a simple table that shows you when to use Some or Any, as this can be very confusing.
Some is usually used:
|In positive sentences||I have some friends|
I saw some people outside yesterday
|In questions about things you know exist||Would you like some sugar with your coffee?|
|Making requests||Can I borrow some money?|
Can have some bread?
|With countable nouns||There are some Greek restaurants in town|
Some people have a dog
|With unaccountable nouns||There was some frost here last week|
Help yourself to some cheese
Let’s get rid of some junk
Any is often used:
|In negatives sentences||I didn’t see any people outside yesterday|
We don’t have any sugar left
He doesn’t have any friends
|With Questions||Do you have any money?|
Do you have any milk left?