also it is NOT the first 2 sentences like others say. Revise the passage below to remove the two shifts in verb mood. Your revised passage should use only imperative mood. (look at the picture for the passage btw)

Take out the words you should. Rewrite to say Check the air pressure in your tires.

Explanation:

Any other changes are much less obvious. Possibly, Test the lights and turn signals before you drive.

Technically, in imperative mood, the subject you is always understood, and could be eliminated. So the first two sentences could become; Take responsibility for making sure the car is safe to drive. Look at all of the following items:

i agree definitely that