1 The desks are washed.
The desks aren't washed.
Are the desks washed?
2 The flowers are watered.
The flowers aren't watered.
Are they watered?
3 The floor is mopped.
The floor isn't mopped.
Is it mopped?
4 The furniture is dusted.
The furniture isn't dusted.
Is the furniture dusted?
5 The grass is cut.
The grass isn't cut.
Is the grass cut?
6 The trees are cut.
The trees aren't cut.
Are they cut?