Choice c follows the rule. However, "tired" seems to be an exception. Most English-speakers would say "most tired."
http://thegrammarexchange.infopop.cc/eve/forums/a/tpc/f/340600179/m/5256000434
At the end of the day, John is the ________
of all workers.
A. tired
B. tireder
C. tiredest
D. most tired
I think it's choice C .
1 answer