Correct the inappropriate shift in verb mood. Just dust the shelves and then you should vacuum the floor. Your answer: Just dust
the shelves, and the floor needs to be vacuumed. Just dust the shelves, and then you will vacuum the floor. Just dust the shelves, and then will you vacuum the floor? Just dust the shelves and vacuum the floor.
The given example, "Just dust the shelves and then you should vacuum the floor" is wrong according to the verb mood because it does not follow the rules of parallelism and shifts mood.
However, the correct verb mood would be "Just dust the shelves and vacuum the floor" because there is no inappropriate shift in the verb mood and the words are parallel.
