• We use some in a positive statement and any in a negative statement or a question.

Example: I have some money to buy a couple of lollipops. (Positive statement)
Example: I haven't any money to buy her a birthday card. (Negative statement)
Example: Do you need any help? (A question)

• We can use 'some' with countable nouns and uncountable nouns.

Example: I have bought some apples for you. (Countable noun)
Example: There is some tea in the pot. (Uncountable noun)

• We can use 'some' in a question if it is an invitation or a request.

Example: Would you like to have some coffee? (invitation)
Example: Will you please give me some medicine for my cough? (request)

• We can join 'some' and 'any' with 'one', 'body' or 'thing' to form compound words.

Example: There is someone asking for you.
Example: The police are looking for somebody.
Example: He is hiding something under his bed.
Example: There wasn't anyone around when I arrived.
Example: Has anybody seen a ghost?
Example: It hasn't anything to do with you, so please stop asking.