A 
  new -> newer
  long -> longer
  nice -> nicer
  big-> bigger
  good -> better
  fat -> fatter
  modern -> more modern
  friendly -> more friendly
  famous -> more famous
B.
  younger -> young
  cleaner -> clean
  darker -> dark
  more boring -> boring
  hotter -> hot
  happier -> happy
  easier -> easy
  smaller -> small
  cheaper -> cheap