Q:

A lion does not eat grass, however hungry he may be.

• 1
  Grass is eaten not by a lion, however hungry he may be.
• 2
  Grass is being not eaten by a lion, however hungry he may be.
• 3
  Grass is not eaten by a lion, however hungry he may be.
• 4
  Grass is not being eaten by a lion, however hungry he may be.