15. 2-f
3-a
4-b
5-c
6-e
16.some-any
any-some
are-is
nobody-anybody
some-any
isn't-is
nothing-anything
15. 2-f
3-a
4-b
5-c
6-e
16.some-any
any-some
are-is
nobody-anybody
some-any
nobody-anybody
isn't-is
nothing-anything