Some is used in positive sentences with both countable and uncountable nouns, while any is used in negative sentences and questions. An exception is that some is used in questions when offering or requesting something. Somebody, somewhere, and something are used in positive sentences, while anybody, anywhere, and anything are used in negative sentences or questions.

1. SOME / ANY
Some and any are adjectives or nonfinite pronouns that are used with:
Uncountable nouns in singular
Countable nouns in plural
Or replacing the substantive
Son adjetivos o pronombres indefinidos que se emplean con:
Sustantivos incontables en singular
Sustantivos contables en plural
Sustituyendo al sustantivos.
Some:
1. With uncountable nouns in singular It means “una mica de”, “quelcom de”.
Examples:
There is some water in the glass
2. With countable nouns in plural It means “alguns/es”
Examples:
I have some books at home
3. As pronoun It replace:
a. The uncountable names in singular
b. The countable names in plural
Itmeans “una mica de”, quelcom de”, “alguns/es”
Com pronom substitueix a noms incomptables en singular i a noms comptables en plural.
Examples:
I like the milk. Ilike drink some in the mornings.
You need four pins for that. I can lend you some if you want.
4. In questions that imply an invitation or an offer.
Invitació o oferta
Examples:
Do you like some milk?
Did he buy some books?
Would you like some more tea?
Someis generally used in affirmative sentences.

2. Any:
1. Substituting to some in interrogative sentences.
Examples:
Is there any wine in the bottle?
Have you got any books here?
2. In negative sentences.
Examples:
There isn’t any bread at home
You haven’t any paper
3. In conditionals sentences or expressing doubt
Examples:
If I see any of your friends I’ll tell them to meet you at the cinema
(conditional sentence)
I doubt whether they will have any gin at home
(doubt)
In negative and interrogative sentences, any is used with the same meanings of some:
Examples:
Is there any water in the glass? There is hardly any sugar.
Are there any books on the table? There are scarcely any papers on the floor.
I haven’t any money left. If you want any help, let me know
SUMMARY (Resum)
SOME We use "some" in positive sentences.
We use some for both countable and uncountable nouns.
Example: I have some friends.
ANY We use "any" in negative sentences or questions.
We use any for both countable and uncountable nouns.
Example: Do you have any cheese? - He doesn't have any friends in
Chicago.
EXCEPTION! We use "some" in questions when offering or requesting something that is there.
Example: Would you like some bread? (offer) - Could I have some
water? (request)
SOMEBODY, We use "some" words - somebody, someone, somewhere and something - in
SOMEWHERE, positive sentences.
SOMETHING Example: He livessomewherenearhere.
ANYBODY, We use "any" words - anybody, anyone, anywhere and anything - in negative
ANYWHERE, sentences or questions.
ANYTHING Example: Do you know anything about that boy? - She doesn't have
anywhere to go.