Практическая грамматика

Some, not any, is used in special and general questions ex­pressing some request or proposal.
"Do you want some water?" "No, I don't want any water." (Maltz)
Some may have the meaning of “certain” (некоторые) before a noun in the plural.
You have some queer customers. Do you like this life? (Gals­worthy)
Any may be used in affirmative sentences with the meaning of “every” (любой).
Above a square-domed forehead he saw a mop of brown hair ... nut-brown, with a wave to it and hints of curls that were a de­light to any woman ... (London)
Somebody, someone, something are chiefly used in affirmative sentences.
He wanted someone young; you know a dark Spanish type... (Mansfield)
I want to say something. (Galsworthy)
Anybody, anyone, anything are used in negative and interroga­tive sentences and in conditional clauses.
I don't want anything. (Voynich)
Is there anything between him and Annette? (Galsworthy)
If anyone had asked him if he wanted to own her soul, the question would have seemed to him both ridiculous and senti­mental. (Galsworthy)
If Erik were ever to do anything of importance he would have to find a third way. (Wilson)
Somebody, someone, something are used in special and general questions if they express some request or proposal.
Will someone help me?
Anyone, anybody, anything may be used in affirmative senten­ces. Anyone, anybody are used with the meaning of “everyone” (любой); anything is used with the meaning of “everything'”(что угодно).
"You've no business to say such a thing!" she exclaimed. "Why not? Anybody can see it." (Galsworthy)
There is a limit to what anyone can bear. (Voynich)
... she sank in spirit inwardly and fluttered feebly at the heart as she thought of entering anyone of these mighty concerns and asking for something to do — something that she could do — anything. (Dreiser)
2. The indefinite pronouns some and any may be used as sub­ject, object and attribute.