1.   A lawyer whose son was hospitalized with bulbar polio worked in the hospital kitchen scrubbing the floors.

2.   After she had scrubbed the floor, she polished the furniture.

3.   After she had swept the room, she scrubbed the floor.

4.   Before she polished the furniture, she scrubbed the floor.

5.   Before she scrubbed the floor, she swept the room.

6.   My grandmother loved opera, and as she scrubbed the floor she would sing one aria or another.

7.   Part of my job was to wash the dishes and scrub the floors.

8.   She knew she was cut out for more than scrubbing floors and doing laundry.

9.   She was on her hands and knees scrubbing the floor.

10.   Scrubbing the floors invariably fell to the lowliest housemaid.