Dear Peter --
Isn't McDonald's a possessive already?
So, McDonald is the nominative, and McDonald's is the genitive. You cannot say
McDonald's', can you!?
You see -- I am not a native speaker, and I
sometimes realise how particular declensed words can be perceived as if they
were in the nominative case, just for their common wide-spread use. I mean,
people never see McDonald written without the <'s>, and may thus forget
that <'s> implies an original understood "place". As it happens for "the
So, my question is -- do you (native
speakers) see the word McDonald's as a whole, or perceive what the 's
Forgive the stupid question -- but
sometimes English can be really puzzling.