3. Rewrite these steps so that each one begins with a verb in active voice and imperative mood. (The “you” can be understood.)

a. The cook should touch the AUTO DEFROST pad to begin the defrosting process.

b. When you want to play, you should press the START button.

c. The aquarium floor requires a layer of gravel that, sloping from back to front, is about 6 to 8 centimeters deep at the front wall.

d. We want you to come to the front of the room and use the available podium.