Слово some в значении несколько может быть заменено словом a few:
Give me some apples, please. = Give me a few apples, please.
Слова much (для неисчисляемых) и many (для исчисляемых) могут быть заменены оборотом a lot of, например:
They have brought many books. = They have brought a lot of books. We have done much work. = We have done a lot of work.