Happy 3 формы interesting 3 формы ugly 3 формы boring 3 формы expensive 3 формы bad 3 формы difficult 3 формы wonderful 3 формы old 3 формы

happy - happier - happiest
interesting - more interesting - most interestingugly - uglier - ugliestboring - more boring - most boringexpensive - more expensive - most expensivebad - worse - worstdifficult - more difficult - most difficultwonderful - more wonderful - most wonderfulold - older - oldest