some と any
 some（肯定文で）いくつかの      You       have some books.
 any （疑問文で）いくつかの   Do you       have any  books?
 any （否定文で）１つも〜ない    You don't have any  books.
 no      １つも〜ない            You       have  no  books.
 someone（肯定文で）だれか             He will  see someone.
 anyone （疑問文で）だれか        Will he       see anyone?
 anyone （否定文で）だれも〜ない       He won't see anyone.
 no one 　　だれも〜ない　　　　       He will  see no one.