Q:

Boil the water and cool it before you keep it in the fridge. 

• 1
  Let the water be boiled and cooled before it is kept in the fridge.
• 2
  Let the water be boiled and cooled before it is kept in the fridge by you.
• 3
  Let the water be boiled by you and cooled by you before it is kept in the fridge.
• 4
  Let the water be boiled, cooled and kept in the fridge